{"id":699,"date":"2022-09-17T13:51:35","date_gmt":"2022-09-17T05:51:35","guid":{"rendered":"http:\/\/viplao.com\/?p=699"},"modified":"2022-09-17T23:20:45","modified_gmt":"2022-09-17T15:20:45","slug":"%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc","status":"publish","type":"post","link":"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/","title":{"rendered":"\u8fd0\u7ef4\u5de5\u5177 &#8211; \u552f\u54c1\u4f1aDragonfly\u65e5\u5fd7\u7cfb\u7edf\u7684Elasticsearch\u5b9e\u8df5\ufffc"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" 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href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#%E6%97%A5%E5%BF%97%E7%B4%A2%E5%BC%95%E7%AE%A1%E7%90%86\" title=\"\u65e5\u5fd7\u7d22\u5f15\u7ba1\u7406\">\u65e5\u5fd7\u7d22\u5f15\u7ba1\u7406<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#1_%E7%B4%A2%E5%BC%95%E9%A2%84%E5%88%9B%E5%BB%BA\" title=\"1. \u7d22\u5f15\u9884\u521b\u5efa\">1. \u7d22\u5f15\u9884\u521b\u5efa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" 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Force Merge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#4_%E5%86%B7%E7%83%AD%E5%88%86%E7%A6%BB\" title=\"4. \u51b7\u70ed\u5206\u79bb\">4. \u51b7\u70ed\u5206\u79bb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#5_%E6%97%A5%E5%BF%97%E5%BD%92%E6%A1%A3\" title=\"5. \u65e5\u5fd7\u5f52\u6863\">5. \u65e5\u5fd7\u5f52\u6863<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#%E6%97%A5%E5%BF%97%E5%86%99%E5%85%A5%E9%99%8D%E7%BA%A7%E7%AD%96%E7%95%A5\" title=\"\u65e5\u5fd7\u5199\u5165\u964d\u7ea7\u7b56\u7565\">\u65e5\u5fd7\u5199\u5165\u964d\u7ea7\u7b56\u7565<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/#%E7%BB%93%E8%AF%AD\" title=\"\u7ed3\u8bed\">\u7ed3\u8bed<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BC%80%E7%AF%87-%E5%94%AF%E5%93%81%E4%BC%9A%E6%97%A5%E5%BF%97%E7%B3%BB%E7%BB%9F%E5%88%9D%E6%8E%A2\"><\/span>\u5f00\u7bc7-\u552f\u54c1\u4f1a\u65e5\u5fd7\u7cfb\u7edf\u521d\u63a2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u552f\u54c1\u4f1a\u65e5\u5fd7\u7cfb\u7edf\uff0c\u627f\u63a5\u4e86\u516c\u53f8\u4e0a\u5343\u4e2a\u5e94\u7528\u7684\u65e5\u5fd7\uff0c\u63d0\u4f9b\u4e86\u65e5\u5fd7\u5feb\u901f\u67e5\u8be2\u3001\u7edf\u8ba1\u3001\u544a\u8b66\u7b49\u57fa\u7840\u670d\u52a1\uff0c\u662f\u4fdd\u969c\u516c\u53f8\u6280\u672f\u4f53\u7cfb\u6b63\u5e38\u8fd0\u884c\u5fc5\u4e0d\u53ef\u7f3a\u7684\u91cd\u8981\u7cfb\u7edf\u4e4b\u4e00\u3002\u65e5\u5747\u63a5\u5165\u5e94\u7528\u65e5\u5fd7600\u4ebf\u6761\uff0c\u538b\u7f29\u540e\u5927\u5c0f\u7ea640TB\uff0c\u5927\u4fc3\u65f6\u65e5\u5fd7\u5cf0\u503c\u6d41\u91cf\u8fbe\u5230\u6bcf\u5206\u949f3\u4ebf\u6761\u3002<\/p>\n\n\n\n<p>\u552f\u54c1\u4f1a\u65e5\u5fd7\u7cfb\u7edf\uff0c\u53d6\u540dDragonfly\uff0c\u5bd3\u610f\u50cf\u873b\u8713\u590d\u773c\u4e00\u6837\uff0c\u53ef\u4ee5\u4f9d\u636e\u5e94\u7528\u65e5\u5fd7\u65e2\u51c6\u786e\u53c8\u5feb\u901f\u7684\u89c2\u5bdf\u5230\u7cfb\u7edf\u7684\u8fd0\u884c\u7ec6\u8282\u3001\u5e76\u53d1\u73b0\u7cfb\u7edf\u7684\u4efb\u4f55\u5f02\u52a8\u3002\u6700\u521d\uff0cDragonfly\u662f\u56f4\u7ed5\u5f00\u6e90\u7684ELK\uff08Elasticsearch\/Logstash\/Kibana\uff09\u6280\u672f\u6808\u6253\u9020\u7684\uff0c\u540e\u6765\u67b6\u6784\u4e0d\u65ad\u6f14\u8fdb\uff0c\u589e\u52a0\u65b0\u7684\u529f\u80fd\u7ec4\u4ef6\u3002\u76ee\u524d\u7684\u7cfb\u7edf\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n<figure 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Lucene\u6253\u9020\u7684\u5206\u5e03\u5f0f\u6587\u6863\u5b58\u50a8+\u6587\u672c\u67e5\u8be2\u5f15\u64ce\u3002\u5b83\u901a\u8fc7\u5012\u6392\u7d22\u5f15(inverted-index)\u6280\u672f\u63d0\u4f9b\u6781\u5feb\u901f\u7684\u6587\u672c\u67e5\u8be2\u548c\u805a\u5408\u7edf\u8ba1\u529f\u80fd\uff0c\u901a\u8fc7\u5408\u7406\u7684\u7d22\u5f15\u548c\u5206\u7247\u8bbe\u8ba1\uff0c\u53c8\u53ef\u4ee5\u652f\u6301\u6d77\u91cf\u7684\u6587\u672c\u4fe1\u606f\u3002\u56e0\u6b64\u975e\u5e38\u9002\u5408\u7528\u4e8e\u642d\u5efa\u65e5\u5fd7\u5e73\u53f0\u3002<\/p>\n\n\n\n<p>\u5c3d\u7ba1\u5982\u6b64\uff0c\u5c06\u8fd9\u6837\u4e00\u4e2a\u5f00\u6e90\u8f6f\u4ef6\uff0c\u65e2\u8981\u80fd\u8d34\u5408\u516c\u53f8\u5185\u90e8\u7684\u5b9e\u9645\u4f7f\u7528\u573a\u666f\uff0c\u53c8\u8981\u505a\u5230\u9ad8\u541e\u5410\u3001\u9ad8\u5bb9\u91cf\u3001\u9ad8\u53ef\u9760\uff0c\u8fd8\u662f\u9700\u8981\u505a\u4e0d\u5c11\u7ec6\u81f4\u7684\u5de5\u4f5c\uff0c\u4e0b\u9762\u4f1a\u4e00\u4e00\u9053\u6765\u3002<\/p>\n\n\n\n<p>Dragonfly\u7cfb\u7edf\u4ece2015\u5e74\u5f00\u59cb\u642d\u5efa\uff0c\u6700\u521d\u4f7f\u7528Elasticsearch 1.x\uff0c\u540e\u6765\u5347\u7ea7\u52305.6\u7248\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A1%AC%E4%BB%B6%E9%85%8D%E7%BD%AE\"><\/span>\u786c\u4ef6\u914d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dragonfly\u7cfb\u7edf\u5728\u4e0d\u540c\u673a\u623f\u642d\u5efa\u4e86\u591a\u4e2aES\u96c6\u7fa4\uff08\u914d\u7f6e\u4e86\u8de8\u96c6\u7fa4\u67e5\u8be2\uff09\uff0c\u5171\u4e0a\u767e\u53f0\u673a\u5668\uff0c\u6700\u5927\u76842\u4e2a\u96c6\u7fa4\u5747\u6709\u63a5\u8fd150\u53f0\u670d\u52a1\u5668\u3002\u8fd9\u4e9b\u670d\u52a1\u5668\u5305\u542b\u4e86\u4e24\u79cd\u786c\u4ef6\u914d\u7f6e\u7c7b\u578b\uff1a<\/p>\n\n\n\n<ul><li>\u4e00\u79cd\u4f7f\u7528\u591a\u4e2aSSD\u78c1\u76d8\uff0c\u5e76\u62e5\u6709\u6027\u80fd\u5f3a\u52b2\u7684CPU\u3002 SSD\u670d\u52a1\u5668\u4f5c\u4e3a\u96c6\u7fa4\u4e2d\u7684\u70ed\u6570\u636e\u670d\u52a1\u5668\u4f7f\u7528\uff0c\u8d1f\u8d23\u65b0\u65e5\u5fd7\u7684\u5199\u5165\uff0c\u5e76\u63d0\u4f9b\u4f7f\u7528\u9891\u7387\u6700\u9ad8\u7684\u6700\u8fd1\u51e0\u5929\u7684\u65e5\u5fd7\u67e5\u8be2\u670d\u52a1\u3002<\/li><li>\u53e6\u4e00\u79cd\u4f7f\u7528\u591a\u4e2a\u5927\u5bb9\u91cf\u7684HDD\/SATA\u78c1\u76d8\uff0c\u642d\u914d\u8f83\u5f31\u7684CPU\u3002 HDD\u670d\u52a1\u5668\u4f5c\u4e3a\u96c6\u7fa4\u4e2d\u7684\u51b7\u6570\u636e\u670d\u52a1\u5668\u4f7f\u7528\uff0c\u8d1f\u8d23\u4fdd\u5b58\u8f83\u65e9\u524d\u7684\u65e5\u5fd7\u3002\u7531\u4e8e\u65e9\u524d\u7684\u65e5\u5fd7\u8bbf\u95ee\u9891\u7387\u8f83\u4f4e\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u5f88\u597d\u7684\u6027\u80fd\uff0c\u800c\u770b\u91cd\u78c1\u76d8\u5bb9\u91cf\u3002<\/li><\/ul>\n\n\n\n<p>\u4e24\u79cd\u7c7b\u578b\u670d\u52a1\u5668\u7684\u78c1\u76d8\u5747\u4f7f\u7528RAID0\u9635\u5217\uff0c\u5185\u5b58\u5927\u5c0f\u4e3a64GB\u6216128GB\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u51b7\u70ed\u5206\u79bb\uff0c\u53ef\u4ee5\u4fdd\u8bc1ES\u96c6\u7fa4\u7684\u5199\u5165\u548c\u5b9e\u65f6\u67e5\u8be2\u6027\u80fd\uff0c\u53c8\u80fd\u5728\u6210\u672c\u8f83\u4f4e\u7684\u60c5\u51b5\u4e0b\u63d0\u4f9b\u8f83\u957f\u7684\u65e5\u5fd7\u4fdd\u5b58\u65f6\u95f4\uff0c\u4e0b\u9762\u8fd8\u4f1a\u8be6\u7ec6\u4ecb\u7ecdES\u96c6\u7fa4\u7684\u51b7\u70ed\u5206\u79bb\u662f\u600e\u4e48\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%97%A5%E5%BF%97%E7%B4%A2%E5%BC%95%E7%AE%A1%E7%90%86\"><\/span>\u65e5\u5fd7\u7d22\u5f15\u7ba1\u7406<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ES\u4e2d\u7684\u6587\u6863\u6570\u636e\u662f\u4fdd\u5b58\u5728\u7d22\u5f15(index)\u4e4b\u4e2d\u7684\u3002\u7d22\u5f15\u53ef\u4ee5\u5212\u5206\u591a\u4e2a\u5206\u7247(shard)\u5206\u5e03\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u5e76\u901a\u8fc7\u914d\u7f6e\u4e00\u5b9a\u7684\u5907\u4efd\u6570\u5b9e\u73b0\u9ad8\u53ef\u7528\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u65e5\u5fd7\u6570\u636e\uff0c\u901a\u5e38\u628a\u6bcf\u4e2a\u5e94\u7528\u3001\u6bcf\u5929\u7684\u65e5\u5fd7\u4fdd\u5b58\u5230\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\uff08\u8fd9\u662f\u4ee5\u4e0b\u5f88\u591a\u8ba8\u8bba\u7684\u524d\u63d0\uff09\u3002\u8981\u627f\u63a5\u516c\u53f8\u4e0a\u5343\u4e2a\u5e94\u7528\u7684\u6d77\u91cf\u65e5\u5fd7\uff0c\u53c8\u8981\u5e94\u5bf9\u6bcf\u4e2a\u5e94\u7528\u6bcf\u5929\u4e0d\u540c\u7684\u6570\u636e\u91cf\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u8fd9\u4e9b\u65e5\u5fd7\u7d22\u5f15\uff0c\u6210\u4e3aDragonfly\u80fd\u5426\u63d0\u4f9b\u7a33\u5b9a\u548c\u5feb\u901f\u670d\u52a1\u7684\u5173\u952e\u3002\u4e0b\u9762\u5c06\u5206\u591a\u4e2a\u65b9\u9762\u4e3a\u4f60\u4ecb\u7ecd\u3002\u4f60\u4e0d\u4f1a\u5728\u5b98\u65b9\u6587\u6863\u4e2d\u76f4\u63a5\u627e\u5230\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u5b83\u4eec\u6765\u6e90\u4e8e\u6211\u4eec\u591a\u5e74\u7684\u5b9e\u6218\u7ecf\u9a8c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E7%B4%A2%E5%BC%95%E9%A2%84%E5%88%9B%E5%BB%BA\"><\/span>1. \u7d22\u5f15\u9884\u521b\u5efa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u6709\u4e00\u4e2a\u5199\u5165\u8bf7\u6c42\uff0c\u800c\u8bf7\u6c42\u4e2d\u6307\u5b9a\u7684\u7d22\u5f15\u4e0d\u5b58\u5728\u65f6\uff0cES\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a5\u5206\u7247\u7684\u65b0\u7d22\u5f15\u3002\u56e0\u4e3a\u8981\u5b8c\u6210\u5bfb\u627e\u5408\u9002\u7684\u8282\u70b9\u3001\u521b\u5efa\u4e3b\u5206\u7247\u3001\u521b\u5efa\u5907\u4efd\u5206\u7247\u3001\u5e7f\u64ad\u65b0\u7684\u96c6\u7fa4\u4fe1\u606f\u3001\u66f4\u65b0\u5b57\u6bb5mapping\u7b49\u4e00\u7cfb\u5217\u7684\u64cd\u4f5c\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7d22\u5f15\u662f\u8017\u65f6\u7684\u3002\u6839\u636e\u96c6\u7fa4\u89c4\u6a21\u3001\u65b0\u7d22\u5f15\u7684\u5206\u7247\u6570\u91cf\u800c\u4e0d\u540c\uff0c\u5728\u6211\u4eec\u7684\u96c6\u7fa4\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7d22\u5f15\u9700\u8981\u51e0\u79d2\u5230\u51e0\u5341\u79d2\u7684\u65f6\u95f4\u3002\u5982\u679c\u8981\u5728\u65b0\u7684\u4e00\u5929\u5f00\u59cb\u7684\u65f6\u523b\uff0c\u5927\u91cf\u65b0\u4e00\u5929\u7684\u65e5\u5fd7\u540c\u65f6\u5230\u6765\u65f6\u89e6\u53d1\u521b\u5efa\u4e0a\u5343\u4e2a\u7d22\u5f15\uff0c\u5fc5\u7136\u4f1a\u9020\u6210\u96c6\u7fa4\u7684\u957f\u65f6\u95f4\u670d\u52a1\u4e2d\u65ad\u3002\u56e0\u6b64\uff0c\u6bcf\u5929\u7684\u7d22\u5f15\u5fc5\u987b\u63d0\u524d\u521b\u5efa\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u5fc5\u987b\u63d0\u524d\u521b\u5efa\u7d22\u5f15\u7684\u5173\u952e\u539f\u56e0\uff0c\u5c31\u662fES\u7d22\u5f15\u7684\u5206\u7247\u6570\u5728\u521b\u5efa\u65f6\u5c31\u5fc5\u987b\u7ed9\u5b9a\uff0c\u4e0d\u80fd\u518d\u52a8\u6001\u589e\u52a0\uff08\u65e9\u671f\u7248\u672c\u8fd8\u4e0d\u80fd\u51cf\u5c11\uff0cES 5.x\u5f00\u59cb\u63d0\u4f9b\u4e86shrink\u64cd\u4f5c\uff09\u3002\u5728\u4e24\u79cd\u60c5\u51b5\u4e0b\u4f1a\u9020\u6210\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul><li>\u5982\u679c\u67d0\u4e2a\u5e94\u7528\u7684\u65e5\u5fd7\u91cf\u7279\u522b\u5927\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u8fc7\u5c11\u7684\u5206\u7247\u6570\uff08\u5982\u9ed8\u8ba4\u76845\u4e2a\u5206\u7247\uff09\uff0c\u5c31\u4f1a\u9020\u6210\u4e25\u91cd\u7684\u70ed\u70b9\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u5206\u914d\u5230\u8fd9\u4e2a\u5927\u7d22\u5f15\u5206\u7247\u7684\u8282\u70b9\uff0c\u5c06\u8981\u5904\u7406\u66f4\u591a\u7684\u5199\u5165\u548c\u67e5\u8be2\u6570\u636e\u91cf\uff0c\u6210\u4e3a\u96c6\u7fa4\u7684\u74f6\u9888\u3002<\/li><li>\u5927\u90e8\u5206\u7684\u5e94\u7528\u65e5\u5fd7\u91cf\u975e\u5e38\u5c0f\uff0c\u5982\u679c\u5206\u914d\u4e86\u8fc7\u591a\u7684\u5206\u7247\u6570\uff0c\u5c31\u4f1a\u9020\u6210\u96c6\u7fa4\u9700\u8981\u7ef4\u62a4\u7684\u6d3b\u8dc3\u5206\u7247\u6570\u76ee\u5f88\u5927\uff0c\u5728\u8282\u70b9\u95f4\u5b9a\u65f6\u540c\u6b65\u7684\u96c6\u7fa4\u4fe1\u606f\u6570\u636e\u4e5f\u4f1a\u5f88\u5927\uff0c\u5728\u96c6\u7fa4\u7e41\u5fd9\u7684\u65f6\u5019\u66f4\u5bb9\u6613\u51fa\u73b0\u8bf7\u6c42\u8d85\u65f6\uff0c\u5728\u96c6\u7fa4\u51fa\u73b0\u6545\u969c\u7684\u65f6\u5019\u6062\u590d\u65f6\u95f4\u4e5f\u66f4\u957f\u3002<\/li><\/ul>\n\n\n\n<p>\u51fa\u4e8e\u4ee5\u4e0a\u8003\u8651\uff0c\u5fc5\u987b\u63d0\u524d\u521b\u5efa\u7d22\u5f15\uff0c\u5e76\u4e3a\u4e0d\u540c\u5e94\u7528\u7684\u7d22\u5f15\u6307\u5b9a\u5408\u9002\u7684\u5206\u7247\u6570\u91cf\u3002\u5206\u7247\u7684\u6570\u91cf\u53ef\u4ee5\u7531\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n\n\n\n<p>n_shards=avg_index_size\/ size_per_shard * magnified_factor<\/p>\n\n\n\n<p>\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul><li>avg_index_size\u4e3a\u524dN\u5929\u8fd9\u4e2a\u5e94\u7528\u7d22\u5f15\u5927\u5c0f\u7684\u6307\u6570\u79fb\u52a8\u5e73\u5747\u503c\uff08\u65e5\u671f\u8d8a\u9760\u8fd1\u3001\u6743\u91cd\u8d8a\u5927\uff09<\/li><li>size_per_shard\u4e3a\u671f\u671b\u6bcf\u4e2a\u5206\u7247\u7684\u5927\u5c0f\u3002\u5206\u7247\u8fc7\u5927\u5bb9\u6613\u9020\u6210\u4e0a\u8ff0\u70ed\u70b9\u95ee\u9898\uff0c\u540c\u65f6segment merge\u64cd\u4f5c\u7684\u5f00\u9500\u66f4\u5927\uff08\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\uff09\uff0c\u5728\u9700\u8981\u79fb\u52a8\u5206\u7247\u65f6\u8017\u65f6\u4e5f\u4f1a\u8f83\u4e45\uff1b\u800c\u8fc7\u5c0f\u53c8\u4f1a\u9020\u6210\u96c6\u7fa4\u5206\u7247\u603b\u6570\u8fc7\u591a\u3002\u56e0\u6b64\u8981\u9009\u53d6\u4e00\u4e2a\u5747\u8861\u7684\u5927\u5c0f\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662f20GB\u3002<\/li><li>magnified_factor\u4e3a\u6269\u5927\u7cfb\u6570\uff0c\u662f\u6211\u4eec\u6839\u636e\u516c\u53f8\u7279\u6709\u7684\u4fc3\u9500\u573a\u666f\u5f15\u5165\u7684\u3002\u5728\u4fc3\u9500\u65e5\uff0c\u4e1a\u52a1\u8bf7\u6c42\u6570\u4f1a\u6570\u500d\u751a\u81f3\u6570\u5341\u500d\u4e8e\u5e73\u65f6\uff0c\u65e5\u5fd7\u91cf\u4e5f\u4f1a\u76f8\u5e94\u589e\u957f\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5728\u4fc3\u9500\u65e5\u4e3a\u7d22\u5f15\u589e\u52a0\u66f4\u591a\u5206\u7247\u6570\u3002<\/li><\/ul>\n\n\n\n<p>\u7d22\u5f15\u9884\u521b\u5efa\u7684\u64cd\u4f5c\u6211\u4eec\u653e\u5728\u524d\u4e00\u5929\u7684\u6e05\u65e9\uff08\u540e\u9762\u4f1a\u770b\u5230\uff0c\u5f00\u9500\u5f88\u5927\u7684\u64cd\u4f5c\u6211\u4eec\u90fd\u653e\u5728\u591c\u95f4\u548c\u51cc\u6668\uff09\u8fdb\u884c\u3002\u5373\u4eca\u5929\u51cc\u6668\u4f1a\u6839\u636e\u4e4b\u524d\u7d22\u5f15\u5927\u5c0f\u7684EMA\u53ca\u4e0a\u8ff0\u516c\u5f0f\u8ba1\u7b97\u51fa\u5206\u7247\u6570\uff0c\u521b\u5efa\u660e\u5929\u7684\u7d22\u5f15\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%E6%9B%BF%E8%A1%A5%E7%B4%A2%E5%BC%95\"><\/span>2. \u66ff\u8865\u7d22\u5f15<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u8fd9\u662f\u5f88\u6709\u610f\u601d\u7684\u4e00\u4e2a\u6982\u5ff5\uff0c\u4f60\u4e0d\u4f1a\u5728\u4efb\u4f55\u5176\u4ed6ES\u76f8\u5173\u7684\u6587\u7ae0\u627e\u5230\u5b83\uff08\u5982\u679c\u6709\uff0c\u8bf7\u6ce8\u610f\u767e\u5206\u767e\u662f\u6284\u88ad\uff1a\uff09<\/p>\n\n\n\n<p>\u5b83\u89e3\u51b3\u7684\u662f\u8fd9\u6837\u7684\u95ee\u9898\uff1a\u5373\u4f7f\u6211\u4eec\u5df2\u7ecf\u63d0\u524d\u4f30\u7b97\u51fa\u4e00\u4e2a\u5e94\u7528\u7684\u65e5\u5fd7\u7d22\u5f15\u7684\u5206\u7247\u6570\uff0c\u4f46\u662f\u4ecd\u7136\u4f1a\u6709\u5f02\u5e38\u60c5\u51b5\u3002\u6709\u65f6\u4f60\u4f1a\u53d1\u73b0\u67d0\u4e2a\u5e94\u7528\u67d0\u4e00\u5929\u7684\u65e5\u5fd7\u5ffd\u7136\u589e\u52a0\u4e86\u5f88\u591a\uff0c\u53ef\u80fd\u662f\u5f00\u53d1\u6253\u5f00\u4e86DEBUG\u7ea7\u522b\u5f00\u5173\u67e5\u95ee\u9898\uff0c\u4e5f\u53ef\u80fd\u5728\u505a\u538b\u6d4b\uff0c\u6216\u8005\u53ef\u80fd\u662fbug\u6b7b\u5faa\u73af\u7684\u6253\u5370\u4e86\u65e0\u6570stacktrace\u3002\u6709\u65f6\u662f\u4e00\u4e2a\u65b0\u63a5\u5165\u7684\u5e94\u7528\uff0c\u7531\u4e8e\u6ca1\u6709\u5386\u53f2\u7d22\u5f15\uff0c\u6240\u4ee5\u5e76\u4e0d\u80fd\u4f30\u7b97\u51fa\u9700\u8981\u7684\u5206\u7247\u6570\u3002\u4ee5\u4e0a\u60c5\u51b5\u90fd\u6709\u53ef\u80fd\u5f15\u8d77\u5206\u7247\u6570\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u8bb0\u5f97\u4e0a\u9762\u63d0\u5230\u8fc7\u7d22\u5f15\u5728\u521b\u5efa\u540e\u5c31\u4e0d\u80fd\u518d\u52a8\u6001\u8c03\u6574\u5206\u7247\u6570\u4e86\uff0c\u600e\u4e48\u7834\uff1f<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u6765\u65b0\u521b\u5efa\u4e00\u4e2a\u66ff\u8865\u7d22\u5f15(substitude index)\u5427\uff0c\u8fd9\u4e00\u5929\u63a5\u4e0b\u6765\u7684\u6240\u6709\u65e5\u5fd7\u90fd\u4f1a\u5199\u5230\u8fd9\u91cc\u3002\u66ff\u8865\u7d22\u5f15\u7684\u547d\u540d\uff0c\u6211\u4eec\u4f1a\u5728\u539f\u7d22\u5f15\u540d\u7684\u57fa\u7840\u4e0a\u52a0\u4e0a-subst\u540e\u7f00\uff0c\u56e0\u6b64\u7528\u6237\u5728\u67e5\u8be2\u4eca\u5929\u7684\u65e5\u5fd7\u65f6\uff0c\u67e5\u8be2\u63a5\u53e3\u4ecd\u53ef\u4ee5\u901a\u8fc7\u4e00\u5b9a\u7684\u89c4\u5219\u6307\u5b9a\u540c\u65f6\u4f7f\u7528\u4eca\u5929\u7684\u201c\u6b63\u9009\u201d\u7d22\u5f15\u548c\u66ff\u8865\u7d22\u5f15\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5b9a\u65f6\u626b\u63cf\u5f53\u5929\u7d22\u5f15\u7684\u5e73\u5747\u5206\u7247\u5927\u5c0f\uff0c\u4e00\u65e6\u53d1\u73b0\u67d0\u4e2a\u7d22\u5f15\u7684\u5206\u7247\u5927\u5c0f\u8fc7\u5927\uff0c\u5c31\u53ca\u65f6\u521b\u5efa\u66ff\u8865\u7d22\u5f15\u3002\u6ce8\u610f\uff0c\u521b\u5efa\u66ff\u8865\u7d22\u5f15\u65f6\u4ecd\u9700\u6307\u5b9a\u5206\u7247\u6570\uff0c\u8fd9\u662f\u6839\u636e\u5f53\u5929\u5df2\u8fc7\u53bb\u7684\u5c0f\u65f6\u6570\u6bd4\u4e0a\u8fd8\u5269\u4e0b\u7684\u5c0f\u65f6\u6570\uff0c\u4ee5\u53ca\u5f53\u65f6\u5df2\u7ecf\u5199\u5165\u7684\u6570\u636e\u91cf\u4f30\u7b97\u5f97\u51fa\u7684\u3002<\/p>\n\n\n\n<p>\u66ff\u8865\u7d22\u5f15\u8fd8\u6709\u4e00\u79cd\u4f7f\u7528\u573a\u666f\u3002\u6709\u65f6\u4fc3\u9500\u662f\u5728\u665a\u4e0a\u8fdb\u884c\u7684\uff0c\u4e00\u5230\u4fc3\u9500\u5f00\u59cb\uff0c\u8bf7\u6c42\u91cf\u548c\u65e5\u5fd7\u91cf\u4f1a\u51fa\u73b0\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u5c16\u5cf0\u3002\u800c\u7531\u4e8e\u5df2\u7ecf\u5199\u5165\u4e86\u5927\u534a\u5929\u7684\u65e5\u5fd7\uff0c\u5206\u7247\u5df2\u7ecf\u6bd4\u8f83\u5927\uff0c\u8fd9\u65f6\u4efb\u4f55\u7684\u5199\u5165\u90fd\u53ef\u80fd\u5f15\u8d77\u66f4\u5927\u89c4\u6a21\u7684segment merge\uff08\u719f\u6089ES\u7684\u540c\u5b66\u4f1a\u77e5\u9053\uff0c\u6bcf\u6b21refresh\u4f1a\u751f\u6210\u65b0\u7684segment\uff0c\u5c0f\u7684segment\u4f1a\u4e0d\u65admerge\u53d8\u6210\u66f4\u5927\u7684segment\uff0c\u8d8a\u5927\u7684segment merge\u65f6\u5bf9\u78c1\u76d8IO\u548cCPU\u7684\u5f00\u9500\u5360\u7528\u8d8a\u5927\u3002\u8fd9\u76f8\u5f53\u4e8eHBase\u7684compaction\u884c\u4e3a\uff0c\u4e5f\u540c\u6837\u4f1a\u6709\u5199\u653e\u5927\u95ee\u9898\uff09\uff0c\u4f1a\u4f7f\u5199\u5165\u901f\u7387\u53d7\u5230\u9650\u5236\u3002\u800c\u5982\u679c\u8fd9\u65f6\u5207\u6362\u5230\u65b0\u7684\u7d22\u5f15\u5199\u5165\uff08\u573a\u4e0a\u7403\u5458\u8bf7\u5168\u90e8\u7ed9\u6211\u4e0b\u6765\uff5e\uff09\uff0c\u5c31\u53ef\u4ee5\u51cf\u8f7bmerge\u7684\u5f71\u54cd\uff0c\u5bf9\u4fdd\u969c\u6d41\u91cf\u5c16\u5cf0\u65f6ES\u96c6\u7fa4\u7684\u5199\u5165\u901f\u7387\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u4fc3\u9500\u65e5\u7684\u66ff\u8865\u7d22\u5f15\u662f\u63d0\u524d\u521b\u5efa\u7684\u3002\u5206\u7247\u6570\u7684\u8ba1\u7b97\u3001\u4ee5\u53ca\u8fd8\u6709\u53ef\u80fd\u4f7f\u7528\u5230\u201c\u66ff\u8865\u7684\u66ff\u8865\u201d\uff0c\u5c31\u4e0d\u518d\u8d58\u8ff0\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Force_Merge\"><\/span>3. Force Merge<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u6570\u636e\u5199\u5165ES\u65f6\u5148\u4ea7\u751f\u5c0f\u7684segment\u3002segment\u4f1a\u5360\u7528\u5806\u5185\u5b58\uff0c\u6570\u91cf\u8fc7\u591a\u5bf9\u67e5\u8be2\u65f6\u95f4\u4e5f\u6709\u5f71\u54cd\u3002\u56e0\u6b64ES\u4f1a\u6309\u4e00\u5b9a\u7684\u7b56\u7565\u8fdb\u884c\u81ea\u52a8\u5408\u5e76segment\u7684\u52a8\u4f5c\uff0c\u8fd9\u524d\u6587\u5df2\u7ecf\u63d0\u8fc7\u3002\u6b64\u5916\uff0cES\u8fd8\u63d0\u4f9bforce merge\u7684\u65b9\u6cd5\uff08\u5728\u65e9\u671f\u7248\u672c\u79f0\u4e3aoptimize)\uff0c\u901a\u8fc7\u8c03\u7528\u6b64\u65b9\u6cd5\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5f3a\u5316merge\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\uff0c\u6211\u4eec\u5728\u51cc\u6668\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\uff0c\u5bf9\u524d\u4e00\u5929\u7684\u7d22\u5f15\uff0c\u6309\u7167\u5206\u7247\u5927\u5c0f\u4ee5\u53ca\u6bcf\u4e2asegment 500MB\u7684\u671f\u671b\u503c\uff0c\u8ba1\u7b97\u51fa\u9700\u8981\u5408\u5e76\u5230\u7684segment\u6570\u91cf\uff0c\u7136\u540e\u6267\u884cforce merge\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u6211\u4eec\u53ef\u4ee5\u8282\u7701\u5f88\u591a\u5806\u5185\u5b58\u3002\u5177\u4f53\u6bcf\u4e2a\u8282\u70b9segment\u7684\u5185\u5b58\u5360\u7528\uff0c\u53ef\u4ee5\u5728_nodes\/\/stats api\u4e2d\u67e5\u770b\u5230\u3002\u5f53segment memory\u4e00\u9879\u5360\u7528heap\u5927\u5c0f2\/3\u4ee5\u4e0a\uff0c\u5f88\u5bb9\u6613\u9020\u6210\u5404\u79cdgc\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\u7531\u4e8eforce merge\u64cd\u4f5c\u4f1a\u5927\u91cf\u8bfb\u5199\u78c1\u76d8\uff0c\u8981\u4fdd\u8bc1\u53ea\u5728SSD\u670d\u52a1\u5668\u4e0a\u6267\u884c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E5%86%B7%E7%83%AD%E5%88%86%E7%A6%BB\"><\/span>4. \u51b7\u70ed\u5206\u79bb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6700\u521d\u642d\u5efaES\u96c6\u7fa4\u65f6\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u8bfb\u5199\u901f\u7387\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u90fd\u662fSSD\u7c7b\u578b\u7684\u670d\u52a1\u5668\u3002\u4f46\u7531\u4e8eSSD\u78c1\u76d8\u6210\u672c\u9ad8\uff0c\u5bb9\u91cf\u5c0f\uff0c\u968f\u7740\u63a5\u5165\u5e94\u7528\u8d8a\u6765\u8d8a\u591a\uff0c\u4e0d\u5f97\u4e0d\u7f29\u77ed\u65e5\u5fd7\u4fdd\u5b58\u5929\u6570\uff0c\u4e00\u5ea6\u53ea\u80fd\u63d0\u4f9b7\u5929\u7684\u65e5\u5fd7\uff0c\u7528\u6237\u5f00\u59cb\u4ea7\u751f\u62b1\u6028\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u81ea\u7136\u800c\u7136\u4ea7\u751f\u4e86\u51b7\u70ed\u5206\u79bb\u7684\u60f3\u6cd5\u3002\u5f53\u65f6\u5728\u7f51\u4e0a\u5e76\u4e0d\u80fd\u627e\u5230ES\u51b7\u70ed\u5206\u79bb\u90e8\u7f72\u7684\u6848\u4f8b\uff0c\u4f46\u51fa\u4e8e\u66fe\u7ecf\u7ffb\u9605\u8fc7\u5b98\u65b9\u6587\u6863\u591a\u904d\u540e\u5bf9ES\u5404\u79cdapi\u7684\u719f\u6089\uff0c\u6211\u4eec\u8ba4\u4e3a\u662f\u53ef\u884c\u7684\u3002<\/p>\n\n\n\n<ul><li>\u9996\u5148\uff0c\u5728\u8282\u70b9\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u901a\u8fc7node.tag\u5c5e\u6027\u4f7f\u7528\u4e0d\u540c\u7684\u6807\u7b7e\u53ef\u4ee5\u533a\u5206\u4e0d\u540c\u7c7b\u578b\u7684\u670d\u52a1\u5668\uff08\u5982\u786c\u4ef6\u7c7b\u578b\uff0c\u673a\u67dc\u7b49\uff09\uff1b<\/li><li>\u901a\u8fc7index.routing.allocation.include\/exclude\u7684\u7d22\u5f15\u8bbe\u7f6e\u53ef\u4ee5\u6307\u5b9a\u7d22\u5f15\u5206\u7247\u53ea\u80fd\u5206\u914d\u5728\u67d0\u79cdtag\u7684\u670d\u52a1\u5668\u4e0a\uff1b<\/li><li>\u5229\u7528\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u6211\u4eec\u5728\u521b\u5efa\u7684\u65b0\u7684\u7d22\u5f15\u65f6\uff0c\u6307\u5b9a\u53ea\u5206\u914d\u5728\u70ed\u6570\u636e\u670d\u52a1\u5668\uff08SSD\u670d\u52a1\u5668\uff09\u4e0a\u3002\u4f7f\u62e5\u6709\u5f3a\u52b2\u78c1\u76d8IO\u548cCPU\u6027\u80fd\u7684\u70ed\u6570\u636e\u670d\u52a1\u5668\u627f\u63a5\u4e86\u65b0\u65e5\u5fd7\u7684\u5199\u5165\u548c\u67e5\u8be2\uff1b<\/li><li>\u8bbe\u7f6e\u591c\u95f4\u5b9a\u65f6\u4efb\u52a1\uff0c\u5c06N\u5929\u524d\u7684\u7d22\u5f15\u4fee\u6539\u4e3a\u53ea\u80fd\u5206\u914d\u5728\u51b7\u6570\u636e\u670d\u52a1\u5668\uff08HDD\u670d\u52a1\u5668\uff09\u4e0a\u3002\u4f7f\u8bbf\u95ee\u9891\u7387\u964d\u4f4e\u7684\u7d22\u5f15relocate\u5230\u5927\u78c1\u76d8\u5bb9\u91cf\u7684\u670d\u52a1\u5668\u4e2d\u4fdd\u5b58\u3002<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-202bf7cb76fe385c8430bedc045937e6_720w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u901a\u8fc7\u4ee5\u4e0a\u51b7\u70ed\u5206\u79bb\u7684\u90e8\u7f72\u65b9\u6cd5\uff0c\u6211\u4eec\u53ea\u589e\u52a0\u4e86\u5c11\u91cf\u5927\u78c1\u76d8\u5bb9\u91cf\u7684\u670d\u52a1\u5668\uff08\u6210\u672c\u6bd4SSD\u7c7b\u578b\u7684\u670d\u52a1\u5668\u8fd8\u4f4e\u5f88\u591a\uff09\uff0c\u5c31\u5c06\u65e5\u5fd7\u4fdd\u5b58\u65f6\u957f\u589e\u52a0\u5230\u4e8630\u5929\uff0c\u90e8\u5206\u5e94\u7528\u53ef\u4ee5\u6309\u9700\u4fdd\u5b58\u66f4\u957f\u65f6\u95f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_%E6%97%A5%E5%BF%97%E5%BD%92%E6%A1%A3\"><\/span>5. \u65e5\u5fd7\u5f52\u6863<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0c\u901a\u8fc7\u51b7\u70ed\u5206\u79bb\uff0c\u70ed\u6570\u636e\u670d\u52a1\u5668\u53ea\u5b58\u653e\u6700\u8fd13\u5929\u7684\u65e5\u5fd7\u7d22\u5f15\uff0c\u5176\u4f5927\u5929\u7684\u7d22\u5f15\u90fd\u5b58\u653e\u5728\u51b7\u6570\u636e\u670d\u52a1\u5668\u4e0a\u3002\u8fd9\u6837\u7684\u8bdd\uff0c\u51b7\u6570\u636e\u670d\u52a1\u5668\u7684segment memory\u5c06\u975e\u5e38\u5927\uff0c\u8fdc\u8d85\u8fc7\u5b98\u65b9\u6587\u6863\u5efa\u8bae\u7684\u4e0d\u8d85\u8fc732GB\u7684heap\u914d\u7f6e\u3002\u5982\u679c\u8981\u589e\u52a0heap\u523032GB\u4ee5\u4e0a\uff0c\u4f1a\u5bf9\u6027\u80fd\u6709\u4e00\u5b9a\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u8003\u8651\u5230\u8d8a\u4e45\u8fdc\u7684\u65e5\u5fd7\uff0c\u67e5\u8be2\u7684\u53ef\u80fd\u6027\u8d8a\u4f4e\uff0c\u6211\u4eec\u5c067\u5929\u4ee5\u524d\u7684\u65e5\u5fd7\u8fdb\u884c\u4e86\u5f52\u6863\u2014\u2014\u4e5f\u5c31\u662fclose\u7d22\u5f15\u7684\u64cd\u4f5c\u3002close\u7684\u7d22\u5f15\u662f\u4e0d\u5360\u7528\u5185\u5b58\u7684\uff0c\u4e5f\u5c31\u89e3\u51b3\u4e86\u51b7\u6570\u636e\u670d\u52a1\u5668\u7684heap\u4f7f\u7528\u95ee\u9898\u3002<\/p>\n\n\n\n<p>Dragonfly\u524d\u7aef\u653e\u5f00\u653e\u4e86\u5f52\u6863\u65e5\u5fd7\u7ba1\u7406\u7684\u9875\u9762\uff0c\u7528\u6237\u5982\u9700\u67e5\u8be27\u5929\u524d\u7684\u65e5\u5fd7\uff0c\u53ef\u4ee5\u81ea\u52a9\u6253\u5f00\u5df2\u7ecf\u5f52\u6863\u7684\u65e5\u5fd7\u2014\u2014\u4e5f\u5c31\u662f\u91cd\u65b0open\u5df2\u7ecfclose\u6389\u7684\u7d22\u5f15\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%97%A5%E5%BF%97%E5%86%99%E5%85%A5%E9%99%8D%E7%BA%A7%E7%AD%96%E7%95%A5\"><\/span>\u65e5\u5fd7\u5199\u5165\u964d\u7ea7\u7b56\u7565<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u524d\u9762\u5df2\u7ecf\u63d0\u5230\u8fc7\uff0c\u6211\u4eec\u516c\u53f8\u4fc3\u9500\u9ad8\u5cf0\u65f6\u7684\u65e5\u5fd7\u91cf\u4f1a\u8fbe\u5230\u5e73\u65e5\u7684\u6570\u5341\u500d\u3002\u6211\u4eec\u4e0d\u53ef\u80fd\u914d\u5907\u8db3\u591f\u652f\u6491\u4fc3\u9500\u9ad8\u5cf0\u671f\u65e5\u5fd7\u91cf\u7684\u670d\u52a1\u5668\u89c4\u6a21\uff0c\u56e0\u4e3a\u90a3\u6837\u7684\u8bdd\u5728\u5168\u5e74\u5927\u90e8\u5206\u65f6\u95f4\u5185\u5f88\u591a\u670d\u52a1\u5668\u8d44\u6e90\u662f\u6d6a\u8d39\u7684\u3002\u800c\u5728\u670d\u52a1\u5668\u89c4\u6a21\u6709\u9650\u7684\u60c5\u51b5\u4e0b\uff0cES\u96c6\u7fa4\u7684\u5199\u5165\u80fd\u529b\u662f\u6709\u9650\u7684\uff0c\u5982\u679c\u4e0d\u91c7\u53d6\u4efb\u4f55\u63aa\u65bd\uff0c\u5728\u4fc3\u9500\u9ad8\u5cf0\u671f\u3001\u4ee5\u53ca\u4e07\u4e00\u96c6\u7fa4\u6709\u6545\u969c\u53d1\u751f\u65f6\uff0c\u63a5\u5165\u7684\u65e5\u5fd7\u5c06\u53d1\u751f\u5806\u79ef\uff0c\u4ece\u800c\u9020\u6210\u5927\u9762\u79ef\u7684\u5199\u5165\u5ef6\u8fdf\uff0c\u7528\u6237\u5c06\u5b8c\u5168\u65e0\u6cd5\u67e5\u8be2\u6700\u65b0\u7684\u65e5\u5fd7\u3002\u6b64\u65f6\u5982\u679c\u6709\u4e1a\u52a1\u6545\u969c\u53d1\u751f\u4f46\u65e0\u6cd5\u901a\u8fc7\u65e5\u5fd7\u6765\u5206\u6790\u7684\u8bdd\uff0c\u95ee\u9898\u4f1a\u975e\u5e38\u81f4\u547d\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u5c31\u9700\u8981\u6709\u5408\u7406\u7684\u964d\u7ea7\u63aa\u65bd\u548c\u9884\u6848\uff0c\u4ee5\u4fdd\u8bc1\u5f53\u65e5\u5fd7\u6d41\u5165\u901f\u7387\u5927\u4e8e\u65e5\u5fd7\u5199\u5165ES\u96c6\u7fa4\u7684\u901f\u7387\u65f6\uff0cDragonfly\u4ecd\u80fd\u63d0\u4f9b\u6700\u5927\u9650\u5ea6\u7684\u670d\u52a1\u3002\u6211\u4eec\u9996\u5148\u9700\u8981\u505a\u51fa\u53d6\u820d\uff0c\u5236\u8ba2\u964d\u7ea7\u670d\u52a1\u7684\u76ee\u6807\uff0c\u6700\u7ec8\u6211\u4eec\u91c7\u7528\u7684\u662f\uff1a\u4fdd\u8bc1\u5404\u4e2a\u5e94\u7528\u90fd\u6709\u90e8\u5206\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u53ef\u4ee5\u5b9e\u65f6\u67e5\u8be2\u3002<\/p>\n\n\n\n<p>\u552f\u54c1\u4f1a\u7684\u65e5\u5fd7\uff0c\u662f\u4ece\u5e94\u7528\u670d\u52a1\u5668\u5148\u91c7\u96c6\u5230Kafka\u505a\u7f13\u5b58\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u8bfb\u53d6Kafka\u6570\u636e\u5199\u5165ES\u7684\u8fc7\u7a0b\u4e2d\u505a\u4e00\u4e9b\u5904\u7406\u3002\u4e25\u683c\u6765\u8bf4\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u5e76\u4e0d\u5c5e\u4e8eElasticsearch\u7684\u8303\u7574\u3002<\/p>\n\n\n\n<p>\u8981\u8fbe\u5230\u964d\u7ea7\u670d\u52a1\u76ee\u6807\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u8ba1\u4e00\u5957\u7ec4\u5408\u62f3\uff1a<\/p>\n\n\n\n<ul><li>\u65e5\u5fd7\u4e0a\u4f20\u5230Kafka\u65f6\uff0c\u4f7f\u7528\u4e3b\u673a\u540d\u4f5c\u4e3apartitioning hash key\uff0c\u5373\u540c\u4e00\u53f0\u5e94\u7528\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u4f1a\u91c7\u96c6\u5230\u540c\u4e00\u4e2aKafka topic\u7684partition\u4e2d\uff1b<\/li><li>\u5728\u6d88\u8d39Kafka topic\u65f6\uff0c\u4f7f\u7528\u540c\u4e00\u4e2aconsumer group\u7684\u591a\u4e2a\u5b9e\u4f8b\uff0c\u6bcf\u4e2aconsumer\u5b9e\u4f8b\u8bbe\u7f6e\u4e0d\u540c\u7684\u5904\u7406\u4f18\u5148\u7ea7\uff1b<\/li><li>\u5bf9Kafka consumer\u6309\u7167\u4f18\u5148\u7ea7\u4e0d\u540c\uff0c\u914d\u7f6e\u4e0d\u540c\u7684\u5199ES\u7684\u7ebf\u7a0b\u6570\u3002\u4f18\u5148\u7ea7\u8d8a\u9ad8\uff0c\u5199\u5165\u7ebf\u7a0b\u6570\u8d8a\u591a\uff0c\u5199\u5165\u901f\u7387\u8d8a\u5feb\uff1b\u4f18\u5148\u7ea7\u8d8a\u4f4e\uff0c\u5199\u5165\u7ebf\u7a0b\u6570\u8d8a\u5c11\uff0c\u751a\u81f3\u6682\u505c\u5199\u5165\uff1b<\/li><li>\u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u9ad8\u4f18\u5148\u7ea7\u7684consumer\u80fd\u591f\u5b9e\u65f6\u6d88\u8d39\u67d0\u4e9bpartition\u5e76\u5199\u5165\u5230ES\u4e2d\uff0c\u901a\u8fc7hashing\u91c7\u96c6\u5230\u90a3\u4e9b\u88ab\u5b9e\u65f6\u6d88\u8d39\u7684partition\u7684\u4e3b\u673a\u65e5\u5fd7\uff0c\u4e5f\u5c06\u5728ES\u4e2d\u53ef\u4ee5\u88ab\u5b9e\u65f6\u67e5\u8be2\uff1b<\/li><li>\u968f\u7740\u5ea6\u8fc7\u65e5\u5fd7\u6d41\u91cf\u9ad8\u5cf0\uff0c\u5f53ES\u96c6\u7fa4\u652f\u6301\u9ad8\u4f18\u5148\u7ea7consumer\u7684\u65e5\u5fd7\u5199\u5165\u6ca1\u6709\u538b\u529b\u65f6\uff0c\u53ef\u4ee5\u9010\u6b65\u589e\u52a0\u6b21\u9ad8\u4f18\u5148\u7ea7consumer\u7684\u5199\u5165\u7ebf\u7a0b\u6570\u3002\u76f4\u5230\u5bf9\u5e94partition\u7684\u5806\u79ef\u65e5\u5fd7\u88ab\u6d88\u8d39\u5b8c\uff0c\u53c8\u53ef\u4ee5\u5bf9\u66f4\u4f4e\u4f18\u5148\u7ea7\u7684consumer\u8fdb\u884c\u540c\u6837\u7684\u8c03\u6574\uff1b<\/li><li>\u6700\u7ec8\u6240\u6709\u5806\u79ef\u7684\u65e5\u5fd7\u90fd\u88ab\u6d88\u8d39\u5b8c\uff0c\u964d\u7ea7\u7ed3\u675f\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%BB%93%E8%AF%AD\"><\/span>\u7ed3\u8bed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u9664\u4e86\u6838\u5fc3\u7ec4\u4ef6Elasticsearch\uff0cDragonfly\u65e5\u5fd7\u7cfb\u7edf\u8fd8\u5728\u65e5\u5fd7\u683c\u5f0f\u89c4\u8303\u3001\u65e5\u5fd7\u91c7\u96c6\u5ba2\u6237\u7aef\u3001\u67e5\u8be2\u524d\u7aef\u3001\u89c4\u5219\u544a\u8b66\u3001\u9519\u8bef\u65e5\u5fd7\u5f02\u5e38\u68c0\u6d4b\u7b49\u65b9\u9762\u505a\u4e86\u5f88\u591a\u7684\u5de5\u4f5c\uff0c\u6709\u673a\u4f1a\u518d\u8ddf\u5927\u5bb6\u7ee7\u7eed\u5206\u4eab\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u552f\u54c1\u4f1aDragonfly\u65e5\u5fd7\u7cfb\u7edf\u7b80\u4ecb<\/strong><\/p>\n\n\n\n<p>\u6211\u5728\u552f\u54c1\u4f1a\u8d1f\u8d23\u516c\u53f8\u65e5\u5fd7\u7cfb\u7edf\uff0c\u53eb\u505a Dragonfiy\u3002\u5927\u5bb6\u53ef\u80fd\u542c\u8fc7\u6700\u8fd1\u963f\u91cc\u6709\u4e00\u4e2a\u5f00\u6e90\u5de5\u5177\u4e5f\u53eb Dragonfly\uff0c\u4f46\u4e24\u8005\u5e76\u4e0d\u76f8\u540c\uff0c\u963f\u91cc\u5f00\u6e90\u7684Dragonfly\u662f\u505a\u5bb9\u5668\u955c\u50cf\u5206\u53d1\u7684\uff0c\u6211\u4eec\u8fd9\u4e2a Dragonfiy \u662f\u65e5\u5fd7\u5e73\u53f0\u3002\u6211\u4eec\u8fd9\u4e2a\u9879\u76ee\u4ece2015\u5e74\u5c31\u5f00\u59cb\u642d\u5efa\uff0c\u5230\u73b0\u5728\u4e3a\u6b62\u5df2\u7ecf\u63a5\u5165\u5168\u516c\u53f8\u51e0\u4e4e\u5168\u90e8\u5e94\u7528\u7684\u65e5\u5fd7\uff0c\u8fd8\u5305\u62ec\u4e00\u51712000\u591a\u4e2a\u5e94\u7528\u7684\u8bbf\u95ee\u65e5\u5fd7\uff0cDragonfly\u63d0\u4f9b\u4e00\u4e9b\u65e5\u5fd7\u7684\u5b58\u50a8\u548c\u67e5\u8be2\u3001\u7edf\u8ba1\u5305\u62ec\u544a\u8b66\u8fd9\u4e9b\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u6574\u4e2a\u7cfb\u7edf\u662f\u6700\u521d\u57fa\u4e8e ELK \u6765\u6253\u9020\u7684\uff0c\u4e4b\u540e\u4e5f\u52a0\u5165\u6211\u4eec\u81ea\u7814\u7684\u4e00\u4e9b\u6a21\u5757\uff0c\u5305\u62ec\u544a\u8b66\u3002\u6211\u4eec\u53ef\u4ee5\u8ba9\u7528\u6237\u81ea\u5b9a\u4e49\u8bbe\u8ba1\u544a\u8b66\u89c4\u5219\uff0c\u6bd4\u5982\u8bf4\u6709\u54ea\u4e9b\u5173\u952e\u5b57\uff0c\u9700\u8981\u8fbe\u5230\u591a\u5c11\u6761\u6570\uff0c\u5c31\u53ef\u4ee5\u89e6\u53d1\u544a\u8b66\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u667a\u80fd\u7684\u53bb\u5206\u6790\u65e5\u5fd7\u6570\u636e\uff0c\u53d1\u73b0\u5f02\u5e38\u65f6\u53ef\u4ee5\u81ea\u5df1\u544a\u8b66\uff0c\u4e0d\u9700\u8981\u7528\u6237\u53bb\u914d\u7f6e\u3002\u73b0\u5728\u8fd9\u4e2a\u65e5\u5fd7\u7cfb\u7edf\u662f\u6574\u4e2a\u552f\u54c1\u4f1a\u76d1\u63a7\u7cfb\u7edf\u91cc\u9762\u975e\u5e38\u91cd\u8981\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u6bcf\u5929\u4f1a\u5e2e\u52a9\u6211\u4eec\u9884\u9632\u6216\u53ca\u65e9\u53d1\u73b0\u5f88\u591a\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>Golang \u5728 Dragonfly \u65b9\u9762\u7684\u5e94\u7528<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e2a\u7cfb\u7edf\u6570\u636e\u91cf\u975e\u5e38\u5927\uff0c\u5e73\u65e5\u6bcf\u5929\u63a5\u5165\u5e94\u7528\u65e5\u5fd7\u6570 600 \u4ebf\u6761\u5de6\u53f3\uff0c\u538b\u7f29\u5b8c\u4e4b\u540e\uff0c\u6bcf\u5929\u65e5\u5fd7\u4e24\u5927\u6982\u6709 40 TB\u3002\u53e6\u5916\u8bbf\u95ee\u65e5\u5fd7\u6570\u6bcf\u5929\u8d85\u8fc7 1400 \u4ebf\u6761\u3002\u4e0b\u9762\u4ecb\u7ecd\u5728\u6211\u4eec\u65e5\u5fd7\u7cfb\u7edf\u91cc\u9762Golang\u4e3b\u8981\u5e94\u7528\u3002<\/p>\n\n\n\n<p><strong>\u91c7\u96c6\u5ba2\u6237\u7aef\u7a0b\u5e8f<\/strong><\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0c\u91c7\u96c6\u5ba2\u6237\u7aef\u7a0b\u5e8f\u3002Elastic\u516c\u53f8\u5f00\u6e90\u7684beats\u4e3b\u8981\u7528\u6765\u505a\u65e5\u5fd7\u7684\u91c7\u96c6\u4e0a\u4f20\uff0c\u6211\u4eec\u7684\u65e5\u5fd7\u91c7\u96c6\u5de5\u5177\u662f\u57fa\u4e8e beats \u505a\u4e8c\u6b21\u5f00\u53d1\uff0c\u5728 beats \u7684\u57fa\u7840\u4e0a\u6211\u4eec\u505a\u7684\u65e5\u5fd7\u7684\u89e3\u6790\u3001\u7edf\u8ba1\u3001\u914d\u7f6e\u4e0b\u53d1\uff0c\u5305\u62ec\u5728\u5ba2\u6237\u7aef\u91cc\u9762\u914d\u7f6e\u8981\u91c7\u96c6\u4ec0\u4e48\u6837\u7684\u6587\u4ef6\uff0c\u662f\u5426\u8981\u505a\u9650\u6d41\u6216\u8005\u91c7\u6837\uff0c\u8fd8\u6709\u89e3\u6790\u7b49\u7684\u4e00\u4e9b\u89c4\u5219\uff0c\u8fd9\u4e9b\u53ef\u4ee5\u901a\u8fc7\u7ba1\u7406\u754c\u9762\u914d\u7f6e\uff0c\u52a8\u6001\u4e0b\u53d1\uff0c\u6240\u4ee5\u6574\u4e2a\u914d\u7f6e\u7ba1\u7406\u975e\u5e38\u65b9\u4fbf\u3002 \u7136\u540e\u6211\u4eec\u8fd8\u652f\u6301\u5bb9\u5668\u65e5\u5fd7\u91c7\u96c6\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\u5728 beats \u7684\u57fa\u7840\u4e0a\u4e5f\u505a\u4e86\u5f88\u591a\u6027\u80fd\u7684\u4f18\u5316\u3002\u6211\u4eec\u539f\u6765\u7528\u7684Logstash\uff0c\u5927\u5bb6\u53ef\u80fd\u4e4b\u524d\u542c\u8bf4\u8fc7\uff0c\u6211\u4eec\u6027\u80fd\u6bd4Logstash\u9ad8\u4e864\u500d\u4ee5\u4e0a\uff0c\u800c\u4e14\u5185\u5b58\u6bd4Logstash\u5c11\u5f88\u591a\uff0cLogstash\u6211\u4eec\u539f\u6765\u75281G\u7684\u5185\u5b58\u6765\u91c7\u96c6\uff0c\u6709\u7684\u60c5\u51b5\u8fd8\u4e0d\u591f\uff0c\u800c\u6211\u4eec\u5f00\u53d1\u7684\u65b0\u65e5\u5fd7\u91c7\u96c6\u5ba2\u6237\u7aef\uff0c\u5185\u5b58\u4f7f\u7528\u624d\u51e0\u5341\u5146\u3002<\/p>\n\n\n\n<p>\u6700\u521d\u6211\u4eec\u7cfb\u7edf\u91cc\u9762\u7528Golang\u7684\u9879\u76ee\u5c31\u662f\u8fd9\u4e2a\uff0c\u7ecf\u8fc7\u8fd9\u4e2a\u9879\u76ee\u4e4b\u540e\u6211\u4eec\u53d1\u73b0Go\u8bed\u8a00\u6027\u80fd\u975e\u5e38\u597d\uff0c\u800c\u4e14\u5f00\u53d1\u8d77\u6765\u6548\u7387\u975e\u5e38\u9ad8\uff0c\u540e\u9762\u6211\u4eec\u5c3d\u53ef\u80fd\u628aGo\u8bed\u8a00\u5c3d\u53ef\u80fd\u7528\u5728\u573a\u666f\u8bed\u8a00\u53bb\u3002<\/p>\n\n\n\n<p>\u540e\u6765Golang\u5728Dragonfly\u7684\u7b2c\u4e8c\u5927\u5e94\u7528\uff0c\u5c31\u662f\u6211\u4eec\u4eca\u5929\u4ecb\u7ecd\u7684\uff0cAccess Log\u5b58\u50a8\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p><strong>\u4e8c\u3001Access Log\u5b58\u50a8\u9700\u6c42\u5206\u6790<\/strong><\/p>\n\n\n\n<p><strong>Access log\u5b58\u50a8\u548c\u67e5\u8be2<\/strong><\/p>\n\n\n\n<p>Access log \u6bcf\u4e2a\u4e92\u8054\u7f51\u516c\u53f8\u90fd\u4f1a\u6709\uff0c\u901a\u5e38\u6570\u636e\u91cf\u975e\u5e38\u5927\u3002\u50cf\u6211\u4eec\u516c\u53f8\u539f\u6765\u662f\u7528Access log \u91c7\u96c6\u4e0a\u6765\u505a\u79bb\u7ebf\u5904\u7406\u751f\u6210\u4e00\u4e9b\u62a5\u8868\uff0c\u4f46\u662f\u5bf9\u4e8e\u7528\u6237\u7684Ad-hoc\u67e5\u8be2\u6765\u8bf4\uff0c\u975e\u5e38\u4e0d\u7075\u6d3b\uff0c\u901a\u8fc7Hive\u67e5\u8be2\uff0c\u6bcf\u6b21\u67e5\u8be2\u975e\u5e38\u6162\uff0c\u5982\u679c\u6bcf\u6b21\u67e5\u67d0\u4e2a\u5e94\u7528 Access log\uff0c\u53ef\u80fd\u8d85\u8fc7\u5341\u51e0\u5206\u949f\u624d\u80fd\u5b8c\u6210\u4e00\u6b21\u67e5\u8be2\uff0c\u5982\u679c\u6709\u4e9b\u8bed\u53e5\u6216\u8005\u6709\u4e9b\u5b57\u6bb5\u8f93\u5165\u6709\u95ee\u9898\uff0c\u6761\u4ef6\u4e0d\u592a\u597d\uff0c\u51fa\u6765\u5e76\u4e0d\u662f\u5ba2\u6237\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u4ed6\u53c8\u53cd\u590d\u6765\u67e5\uff0c\u4f46\u8fd9\u65f6\u8fd9\u4e2a\u6548\u7387\u5c31\u975e\u5e38\u4f4e\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u516c\u53f8\u9664\u4e86 Nginx Access Log \uff0c\u8fd8\u6709\u5176\u5b83\u7ec4\u4ef6\u7684Access log\uff0c\u8fd9\u4e9b\u4e5f\u6ca1\u6709\u63a5\u5165\u5230Hive\u91cc\u9762\uff0c\u5f00\u53d1\u4e5f\u6ca1\u6709\u529e\u6cd5\u53bb\u7528\uff0c\u6240\u4ee5\u6211\u4eec\u60f3\u6253\u9020\u53e6\u5916\u4e00\u4e2aAccess log\u5b58\u50a8\u7684\u7cfb\u7edf\uff0c\u4e3b\u8981\u5bf9\u5f00\u53d1\u7684\u540c\u4e8b\u80fd\u591f\u5feb\u901f\u63d0\u4f9bAccess 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Nginx\uff0c\u4e00\u4e2a\u662f janus 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Access log \u7684\u7c7b\u578b\uff0c\u7136\u540e\u6709\u5f88\u591a\u5e94\u7528\uff0c\u7136\u540e\u6709\u5f88\u591a\u4e3b\u673a\uff0c\u6211\u4eec\u4e5f\u6709\u4e0a\u4e07\u53f0\u4e3b\u673a\uff0c\u5404\u79cd Access log \u52a0\u8d77\u6765\u603b\u5171\u4f1a\u67092\u4e07\u4ee5\u4e0a\u7684\u6587\u4ef6\uff0c\u6211\u4eec\u8981\u652f\u6301\u4ed6\u80fd\u591f\u6d41\u5f0f\u5199\u5165\u5230\u6587\u4ef6\u7cfb\u7edf\u91cc\u9762\uff0c\u8fd9\u4e2a\u4f1a\u5bf9\u6587\u4ef6\u7cfb\u7edf IO 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\u4eceKafka\u635e\u6570\u636e\uff0c\u7136\u540e\u7f13\u5b58\u4e00\u6bb5\u65f6\u95f4\uff0c\u4e00\u5206\u949f\uff0c\u6279\u91cf\u8bfb\u4e00\u6b21\uff0c\u6279\u91cf\u538b\u7f29\u3002\u4f46\u662f\u8fd9\u4e2a\u6211\u4eec\u53d1\u73b0\u5bf9\u5185\u5b58\u5360\u7528\u4e5f\u662f\u6d88\u8017\u592a\u5927\u4e86\uff0c\u6211\u4eec\u53bb\u505a\u5176\u4e2d\u4e00\u79cd Access log \u7684\u5199\u5165\uff0c\u6700\u5f00\u59cb\u7528\u4e86\u5341\u53f0\u670d\u52a1\u5668\u624d\u80fd\u652f\u6301\uff0c\u5982\u679c\u652f\u6301\u90a3\u4e48\u591a\u4e2d Access log\uff0c\u53ef\u80fd\u8981\u51e0\u5341\u53f0\u673a\u5668\uff0c\u8fd9\u4e2a\u6210\u672c\u6709\u70b9\u9ad8\uff0c\u6240\u4ee5\u540e\u6765\u6211\u4eec\u662f\u8003\u8651\u4e00\u5b9a\u8981\u7528\u66f4\u597d\u7684\u65b9\u6848\u53bb\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p><strong>\u4e09\u3001Access Log Writer\u8bbe\u8ba1\u548c\u5b9e\u73b0<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><a><\/a><\/h1>\n\n\n\n<p><strong>\u8bed\u8a00\u9009\u62e9<\/strong><\/p>\n\n\n\n<p>\u770b\u4e00\u4e0b\u8fd9\u4e2a\u8bbe\u8ba1\u65b9\u6848\uff0c\u8fd9\u4e2a\u662f\u5f15\u7528\u5927\u6982\u7684\u8bbe\u8ba1\u601d\u8def\uff0c\u4ece kafka \u91cc\u6d88\u8d39\u6570\u636e\uff0c\u89e3\u6790\u51fa\u6765\u4e4b\u540e\u4f1a\u751f\u6210\u6587\u4ef6\u8def\u5f84\uff0c\u901a\u8fc7\u4e24\u7ea7\u7684\u7f13\u5b58\uff0c\u6700\u540e\u518d\u5199\u5165\u5230 HDFS \u91cc\u9762\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u65b9\u6848\u6700\u521d\u6211\u4eec\u4e5f\u8003\u8651\u5230\u7528\u4ec0\u4e48\u8bed\u8a00\u53bb\u8bbe\u8ba1\u3002\u7528 Java \u8fd8\u662f\u7528 Go\uff1f\u8fd9\u79cd\u6bd4\u8f83\u5176\u5b9e\u9700\u8981\u628a\u5b83\u62c6\u5206\u51e0\u4e2a\u65b9\u9762\u6765\u8003\u8651\uff0c\u8003\u8651\u4e0d\u540c\u7684\u6743\u91cd\u5bf9\u6211\u4eec\u5f71\u54cd\u6bd4\u8f83\u5927\u3002\u5176\u4e2d\u4e00\u4e2a\u65b9\u5411\u5c31\u662f\u8003\u8651\u5f00\u6e90\u6846\u67b6\u548c\u5f00\u6e90\u5e93\u7684\u652f\u6301\uff0c\u5927\u6570\u636e\u524d\u9762\u5df2\u7ecf\u8bf4\u4e86\uff0cJava \u662f\u5f97\u5230\u975e\u5e38\u591a\u652f\u6301\uff0c\u6709\u5f88\u591a\u5e93\u548c\u6846\u67b6\u6765\u505a\uff0c\u6240\u4ee5\u5176\u5b9eJava\u5728\u8fd9\u4e00\u5757\u5b8c\u5168\u662f\u9886\u5148\u7684\uff0c\u4f46\u662f\u5177\u4f53\u5230\u6211\u4eec\u521a\u624d\u6d89\u53ca\u5230\u7684\u65b9\u6848\u6765\u8bf4\uff0c\u6211\u4eec\u5176\u5b9e\u53ea\u9700\u8981\u7528\u4e24\u79cd\u5f00\u6e90\u5e93\uff0c\u4e00\u4e2a\u662f\u8bfbKafka\uff0c\u4e00\u79cd\u662f\u5199\u5165\u5230HDFS\uff0c\u8fd9\u4e24\u4e2a\u5728 Go \u91cc\u9762\u5176\u5b9e\u90fd\u662f\u6709\u7684\uff0c\u6240\u4ee5\u5bf9\u8fd9\u4e2a\u6846\u67b6\u6765\u8bf4\u4e24\u4e2a\u8bed\u8a00\u90fd\u662f\u53ef\u4ee5\u7684\u3002\u524d\u63d0\u662f\u4e0d\u9700\u8981\u5206\u5e03\u5f0f\u534f\u540c\u5904\u7406\uff0c\u53ea\u9700\u8981\u6bcf\u53f0\u673a\u80fd\u591f\u5355\u72ec\u5904\u7406\uff0c\u53ef\u4ee5\u6c34\u5e73\u62d3\u5c55\uff0c\u6211\u4eec\u5176\u5b9e\u7528go\u5c31\u53ef\u4ee5\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u4ece\u8003\u8651\u6027\u80fd\u6765\u8bf4\uff0c\u672c\u6765 Java \u6027\u80fd\u4e5f\u4e0d\u9519\uff0c\u4f46\u662f Java \u7684\u4e00\u4e2a\u5f88\u5927\u95ee\u9898\uff0c\u5b83\u7684 GC \u8c03\u4f18\u975e\u5e38\u56f0\u96be\uff0c\u6211\u4eec\u6574\u4e2a\u65e5\u5fd7\u7cfb\u7edf\u91cc\u9762\u539f\u6765\u5927\u90e8\u5206\u90fd\u662f Java \u548c scala \u505a\u7684\uff0c\u5728\u6211\u4eec\u4ee5\u524d\u7ecf\u9a8c\u6765\u770b\uff0c\u5904\u7406\u5f88\u5927\u541e\u5410\u91cf\u60c5\u51b5\u4e0b\uff0cJava \u7684 GC \u4f1a\u662f\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u95ee\u9898\uff0c\u6211\u4eec\u4e4b\u524d\u4f1a\u82b1\u5f88\u591a\u65f6\u95f4\u6765\u505a GC \u7684\u8c03\u4f18\u3002\u867d\u7136\u6700\u7ec8 Java \u548c Golang \u53ef\u80fd\u4f1a\u5dee\u4e0d\u591a\uff0c\u4f46\u662f\u8003\u8651\u5230\u8c03\u4f18\u7684\u590d\u6742\u5ea6\u6765\u8bf4\uff0c\u5bf9\u5185\u5b58\u4f7f\u7528\u7684\u590d\u6742\u5ea6\u6765\u8bf4\uff0c\u5176\u5b9e Golang \u8fd8\u662f\u66f4\u4f18\u4e00\u70b9\u3002\u5728jdk9\u4e4b\u524d\uff0cJava\u5bf9\u6bcf\u4e2a\u6587\u672c\u5b57\u7b26\uff0c\u9700\u8981\u4e24\u4e2abyte\u6765\u4fdd\u5b58\u3002\u6240\u4ee5\u5b83\u5185\u5b58\u7528 Go \u6765\u8bf4\uff0c\u5176\u5b9e\u6709\u6bd4\u8f83\u5927\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><a><\/a><\/h1>\n\n\n\n<p><strong>\u6a21\u5757\u8bbe\u8ba1<\/strong><\/p>\n\n\n\n<p>\u521a\u624d\u8bf4\u8fc7\u4e86\u4e3b\u8981\u662f\u4e24\u7ea7\u7f13\u5b58\u3001\u591a\u7ec4\u534f\u7a0b\u6c60\uff0c\u6bcf\u4e2a\u6a21\u5757\u90fd\u662f\u591a\u7ec4 Goroutine\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/ae81c9a66d606b8a0fd888e52aefffd9.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><\/h2>\n\n\n\n<p><strong>\u6a21\u5757\u4e00\u3001consumer<\/strong><\/p>\n\n\n\n<p>\u4e0b\u9762\u518d\u4ed4\u7ec6\u6df1\u5165\u4e00\u4e0b\uff0c\u7b2c\u4e00\u4e2a\u6a21\u5757 consumer\uff0c\u8fd9\u5757\u4e3b\u8981\u662f\u6d88\u8d39 Kafka \u7684\u6570\u636e\u3002\u65e5\u5fd7\u662f\u5728\u5ba2\u6237\u7aef\u91c7\u96c6\u5b8c\u4e4b\u540e\u4e0a\u4f20\u5230 Kafka \u91cc\u9762\u53bb\u7684\uff0c\u5c31\u662f\u9700\u8981\u4ece Kafka \u628a\u5b83\u6d88\u8d39\u51fa\u6765\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/a18cc08c125cf7e983c2bc238a8893e9.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u7528\u5230\u4e00\u4e2a sarama \u8bfbKafka\u7684\u5e93\uff0c\u8bfb\u5b8ckafka\u6570\u636e\u4e4b\u540e\uff0c\u9700\u8981\u628a\u6570\u636e\u585e\u5230 parser \u89e3\u6790\uff0c\u8fd9\u91cc\u4f1a\u6839\u636e\u8bfb\u51fa\u6765\u6d88\u606f\u7684partition id \u5230\u4e0d\u540c\u7684 parser \u91cc\u9762\u53bb\uff0c\u8fd9\u91cc\u6709\u4e2a\u76ee\u7684\u662f\u4fdd\u8bc1\u6700\u7ec8\u5199\u5165\u5230\u6587\u4ef6\u91cc\u9762\u7684 Access log \u7684\u987a\u5e8f\u6027\u3002\u6211\u4eec\u5728\u5ba2\u6237\u7aef\uff0c\u5b83\u662f\u4ee5\u4ec0\u4e48\u6837\u7684\u987a\u5e8f\u843d\u76d8\u7684\uff0c\u6211\u4eec\u6700\u7ec8\u63d0\u4f9b\u7ed9\u7528\u6237 Access log \u7684\u6587\u4ef6\u4e5f\u8981\u4fdd\u8bc1\u987a\u5e8f\u6027\u3002\u8fd9\u91cc\u9700\u8981\u505a\u4e24\u4ef6\u4e8b\u60c5\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u3001\u5728\u91c7\u96c6\u7684\u65f6\u5019\u5c31\u9700\u8981\u7528 hostname \u4f5c\u4e3a partition\uff0c\u5982\u679c\u5927\u5bb6\u6709\u63a5\u89e6\u8fc7Kafka\u5c31\u77e5\u9053\uff0c\u5b83\u6709\u4e2a key \u7684\u914d\u7f6e\uff0c\u5c31\u662f\u6211\u4ee5\u4ec0\u4e48 key \u6765\u505aHash\uff0c\u7136\u540e\u51b3\u5b9a\u5199\u5165\u5230\u54ea\u4e2a partition \u91cc\u9762\u53bb\u3002\u5982\u679c\u4ee5 hostname \u4f5c\u4e3a partition\uff0c\u6211\u4eec\u5c31\u80fd\u4fdd\u8bc1\u540c\u4e00\u53f0\u4e3b\u673a\u6587\u4ef6\u662f\u843d\u5165\u5230\u91cc\u9762\u7684\uff0c\u5b83\u5728\u540c\u4e00\u4e2a partition \u91cc\u9762\u5904\u7406\u662f\u987a\u5e8f\u5904\u7406\uff0c\u6240\u4ee5\u6211\u4eec\u5c31\u80fd\u4fdd\u8bc1\u4ed6\u7684\u987a\u5e8f\u6027\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u3001\u5728 Kafka\u4e0a\u9762\u4fdd\u8bc1\u987a\u5e8f\u6027\u4e4b\u540e\uff0c\u5728\u8fd9\u4e2a\u5730\u65b9\u5904\u7406\u7684\u65f6\u5019\u4e5f\u8981\u4fdd\u8bc1\u987a\u5e8f\u6027\uff0c\u5c31\u8ba9\u540c\u4e00\u4e2a partition \u8fc7\u6765\u7684\u6570\u636e\u4e5f\u5728\u540c\u4e00\u4e2a parser \u91cc\u9762\u53bb\u5904\u7406\uff0c\u7136\u540e\u4e00\u76f4\u7559\u5230\u540e\u9762\u53bb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><\/h2>\n\n\n\n<p><strong>\u6a21\u5757\u4e8c\u3001parser<\/strong><\/p>\n\n\n\n<p>parser \u8fd9\u90e8\u5206\u6bd4\u8f83\u7b80\u5355\u4e00\u70b9\uff0c\u5de5\u4f5c\u6a21\u5f0f\u5c31\u7c7b\u4f3c\u4e8e Nginx \u91cc\u9762\u7684 worker process\uff0c\u505a\u65e0\u72b6\u6001\u7684\u5904\u7406\uff0c\u5b83\u628a\u65e5\u5fd7\u89e3\u6790\u5b8c\u4e4b\u540e\uff0c\u63d0\u53d6\u4e86\u524d\u9762\u8bf4\u90a3\u51e0\u4e2a\u5b57\u6bb5\uff1a\u5e94\u7528\u540d\u3001\u4e3b\u673a\u540d\u3001\u65f6\u95f4\u6233\u7684\u89e3\u6790\u7b49\u7b49\uff0c\u90a3\u4e9b\u89e3\u6790\u5b8c\u4e4b\u540e\u5c31\u6210\u6210\u4e00\u4e2a\u6587\u4ef6\u8def\u5f84\uff0c\u4e22\u5230\u540e\u9762\u4e0d\u540c\u7684 Compressor \u91cc\u9762\u53bb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/9bd29396addab01eda4235d22ff1ef0c.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><\/h2>\n\n\n\n<p><strong>\u6a21\u5757\u4e09\u3001Compressor<\/strong><\/p>\n\n\n\n<p>Compressor \u662f\u6211\u4eec\u4e24\u7ea7\u7f13\u5b58\u7684\u7b2c\u4e00\u7ea7\uff0c\u8fd9\u91cc\u662f\u505a\u4e00\u4e2a\u6587\u4ef6\u7684\u6279\u91cf\u538b\u7f29\uff0c\u540c\u4e00\u4e2a\u6587\u4ef6\u6bcf\u8d85\u8fc71000\u884c\u7684\u65e5\u5fd7\u6216\u8005\u7b49\u52302\u5206\u949f\u4e4b\u540e\uff0c\u5c31\u505a\u4e00\u4e2a\u538b\u7f29\uff0c\u751f\u6210\u538b\u7f29\u5757\u5f80\u540e\u4e22\u3002\u4e3a\u4ec0\u4e48\u8981\u6279\u91cf\u538b\u7f29\uff1f\u8fd9\u4e2a\u662f\u4e3a\u4e86\u63d0\u9ad8\u538b\u7f29\u6548\u7387\uff0c\u5982\u679c\u6bcf\u6761\u65e5\u5fd7\u8fc7\u6765\u538b\u7f29\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u662f\u8fd9\u4e2a\u538b\u7f29\u7387\u5927\u5bb6\u77e5\u9053\u6ca1\u6709\u5927\u6279\u91cf\u6570\u636e\u4e00\u8d77\u538b\u7f29\u7684\u538b\u7f29\u7387\u9ad8\u7684\uff0c\u6240\u4ee5\u7b2c\u4e00\u7ea7\u7f13\u5b58\u4e3b\u8981\u63d0\u9ad8\u538b\u7f29\u7387\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/c5b3481459c353208439b6c18380c4e6.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><\/h2>\n\n\n\n<p><strong>\u6a21\u5757\u56db\u3001writer<\/strong><\/p>\n\n\n\n<p>\u7136\u540e\u662f writer \u7684\u6a21\u5757\uff0c\u8fd9\u91cc\u5c31\u662f\u7b2c\u4e8c\u7ea7\u7f13\u5b58\uff0c\u6bcf\u8d85\u8fc75MB\u6216\u8005\u6bcf10\u5206\u949f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u5f80 HDFS \u5199\u5165\u4e00\u6b21\uff0c\u901a\u8fc7\u8fd9\u4e2a\u7f13\u5b58\u53ef\u4ee5\u51cf\u5c11\u5199 HDFS \u7684\u5199\u5165\u6b21\u6570\u3002\u53e6\u5916\u5b83\u8fd8\u8981\u5904\u7406\u6587\u4ef6\u6eda\u52a8\uff0c\u6587\u4ef6\u6bcf\u8fbe\u5230100\u5146\u53ef\u80fd\u5c31\u8981\u5199\u5165\u4e00\u6b21\uff0c\u5982\u679c\u5199\u5165\u5931\u8d25\u6211\u4eec\u53eb\u505a\u91cd\u8bd5\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u521a\u624d\u4ecb\u7ecd\u5b8c\u6574\u4e2a\u8bbe\u8ba1\u7684\u601d\u8def\uff0c\u6574\u4e2a\u4ee3\u7801\u91cf\u4e0d\u662f\u592a\u591a\uff0c\u5982\u679c\u53bb\u6389\u4ec0\u4e48\u53c2\u6570\u5904\u7406\uff0c\u76d1\u63a7API\u4e4b\u7c7b\u7684\uff0c\u6838\u5fc3\u4ee3\u7801\u4e0d\u8d85\u8fc71000\u884c\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><a><\/a><\/h1>\n\n\n\n<p><strong>\u4f18\u5316<\/strong><\/p>\n\n\n\n<p>\u540e\u9762\u8bb2\u4e00\u4e0b\u4f18\u5316\u7684\u601d\u8def\uff0c\u600e\u4e48\u6837\u8fbe\u5230\u975e\u5e38\u9ad8\u7684\u6027\u80fd\u3002\u6211\u4eec\u505aGo\u8bed\u8a00\u5f00\u53d1\uff0c\u5927\u5bb6\u5982\u679c\u505a\u8fc7\u4f18\u5316\u5c31\u77e5\u9053\uff0c\u901a\u5e38\u6709\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0cCPU\u7684\u5206\u6790\u548c\u4f18\u5316\u3002\u8fd9\u4e2a\u4e3b\u8981\u7528\u706b\u7130\u56fe\u7684\u5de5\u5177\u3002\u4e8c\u662f\u5185\u5b58\u4f7f\u7528\u7684\u4f18\u5316\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u706b\u7130\u56fe\u7684\u5206\u6790\u6211\u4eec\u53d1\u73b0\u6709\u51e0\u4e2a\u5730\u65b9\u662f\u4f7f\u7528CPU\u7684\u70ed\u70b9\uff0c\u8fd9\u4e2a\u9700\u8981\u6211\u4eec\u4f18\u5316\u7684\uff0c\u5176\u4e2d\u4e00\u4e2a\u662f\u538b\u7f29\u7684\u90e8\u5206\uff0c\u6211\u4eec\u627e\u4e86\u4e00\u4e0b\uff0c\u5176\u5b9e\u521a\u624d\u770b\u5230\u6574\u4e2a\u6570\u636e\u7684\u6d41\u7a0b\u91cc\u9762\u538b\u7f29\u90a3\u5757\u5360\u7528\u6700\u5927\u4e00\u5757CPU\u7684\u65f6\u95f4\uff0c\u6240\u4ee5\u538b\u7f29\u5e93\u8fd9\u5757\u6211\u4eec\u67e5\u4e86\u4e00\u4e0b\uff0c\u4e00\u4e2a\u6709github.com\/klauspost\/compress\/gzip\u8fd9\u4e48\u4e00\u4e2a\u538b\u7f29\u5e93\uff0c\u6bd4\u539f\u6765Go\u81ea\u5e26\u7684\u6a21\u5757\u6765\u8bf4\u6027\u80fd\u63d0\u9ad8\u4e8620%\u3002\u5176\u5b9eGo\u8bed\u8a00\u4e0d\u5c11\u81ea\u5e26\u5e93\u7684\u6027\u80fd\u90fd\u4e0d\u600e\u4e48\u6837\uff0c\u6bd4\u5982\u8bf4json\u5e8f\u5217\u5316\u5c31\u975e\u5e38\u5dee\uff0c\u4e00\u822c\u4f1a\u5c3d\u91cf\u7528easyjson\u7b49\u5e93\u6765\u66ff\u4ee3\u3002\u8fd9\u4e2a\u538b\u7f29\u5e93\u4e5f\u662f\u3002&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/ad522363210318f15121c1572a737599.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u7b2c\u4e8c\uff0c\u8fd9\u91cc\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b Kafka \u5e93\u7684\u4f18\u5316\uff0c\u8fd9\u5e76\u4e0d\u662f\u8bf4\u5e93\u672c\u8eab\u6709\u4ec0\u4e48\u95ee\u9898\u3002\u8fd9\u91cc\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\uff0c slice growup\uff0c\u8fd9\u662f Go \u8bed\u8a00\u91cc\u9762\u7ecf\u5e38\u78b0\u5230\u5bf9\u6027\u80fd\u5f71\u54cd\u6bd4\u8f83\u5927\u7684\u5730\u65b9\u3002\u50cf Sarama \u5e93\u91cc\u9762\u4e5f\u662f\uff0c\u5b83\u4f1a\u7533\u8bf7\u4e00\u5757\u5185\u5b58\u505a\u4e00\u4e2a\u6d88\u606f\u7684\u89e3\u538b\u3002kafka \u91cc\u9762\u4ed6\u4f1a\u6279\u91cf\u538b\u7f29\u51e0\u767e\u6761\u6d88\u606f\uff0c\u7136\u540e\u4e22\u5230 Kafka \u91cc\u9762\uff0c\u53bb\u6d88\u8d39\u7684\u65f6\u5019\u4e5f\u9700\u8981\u628a\u8fd9\u5757\u4e1c\u897f\u89e3\u538b\u51fa\u6765\u518d\u5904\u7406\u7684\uff0cSarama\u8fd9\u4e2a\u5e93\u662f\u8017\u5185\u5b58\u7684\uff0c\u9700\u8981\u628a\u538b\u7f29\u7684\u6570\u636e\u62c9\u8fc7\u6765\u4e4b\u540e\u89e3\u538b\u653e\u5230 buffer \u91cc\u9762\uff0c\u521a\u5f00\u59cb\u5b83\u4e0d\u77e5\u9053 buffer \u9700\u8981\u591a\u5927\uff0c\u6240\u4ee5\u4e00\u5f00\u59cb\u662f\u5f88\u5c0f\u7684\uff0c\u6240\u4ee5\u4e00\u8fb9\u89e3\u538b\u4e00\u8fb9\u4e22\u8fc7\u53bb\uff0c\u53d1\u73b0 slice \u4e0d\u591f\u5927\u7684\u65f6\u5019\uff0c\u5c31\u7533\u8bf7\u65b0\u7684\u7a7a\u95f4\uff0c\u628a\u65e7\u6570\u636ecopy\u8fc7\u53bb\uff0c\u8fd9\u5757\u662f\u975e\u5e38\u6d88\u8017\u6027\u80fd\u7684\uff0c\u5982\u679c\u8c03\u7528\u6570\u7279\u522b\u591a\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/cf76d3f31533ffdf6409cffaeb00e3bc.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u5927\u5bb6\u7ecf\u5e38\u770b\u5230\u7684\u4e00\u4e2a\u5730\u65b9\uff0c\u770b\u706b\u7130\u56fe\u6216\u8005\u770b CPU \u5206\u6790\u91cc\u9762\u4e5f\u53ef\u4ee5\u770b\u5230\uff0c\u901a\u5e38\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u9884\u5206\u914d\u4e00\u4e2a\u5927\u5c0f\u7ed9buffer\u5bf9\u8c61\u9884\u5206\u914d\u4e00\u4e2a\u5927\u5c0f\uff0c\u6700\u5173\u952e\u6211\u4eec\u600e\u4e48\u9884\u6d4b\u5230\u8fd9\u4e2a buffer \u5927\u5c0f\u591a\u5927\uff0c\u907f\u514d\u8fd9\u4e2a grow \u6216\u8005\u51cf\u5c11 grow 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Free list \u53bb\u7f13\u5b58\u6211\u4eec\u8fd9\u4e2a\u5185\u5b58\u5757\u3002<\/p>\n\n\n\n<p>\u524d\u9762\u4e5f\u63d0\u5230golang\u5b98\u7f51\u91cc\u8fd9\u4e2a effective go\u7684\u6587\u7ae0\uff0cFree list \u5176\u5b9e\u662f effective go \u91cc\u9762\u4f8b\u5b50\uff0c\u4e5f\u662f\u6559\u5927\u5bb6\u600e\u4e48\u6837\u6709\u6548\u7ba1\u7406\u5185\u5b58\u3002\u6211\u89c9\u5f97\u8fd9\u4e2a\u975e\u5e38\u597d\u7528\uff0c\u6240\u4ee5\u6211\u4eec\u7528\u5728\u8fd9\u4e2a\u6a21\u5757\u91cc\u9762\uff0c\u662f\u4e00\u4e2a\u7b80\u6d01\u7684\u65b9\u6848\u3002\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684 channel\uff0c\u53eb\u505a Free list\uff0c\u7136\u540e\u5f53\u6211\u4eec\u9700\u8981\u65b0\u7684 buffer \u7684\u65f6\u5019\uff0c\u5982\u679c\u8c03 getBuffer \u8fd9\u4e2a\u51fd\u6570\uff0c\u5b83\u5148\u770b Free list \u91cc\u9762\u6709\u6ca1\u6709\u591a\u4f59\u5bf9\u8c61\uff0c\u5df2\u7ecf\u653e\u5230\u8fd9\u4e2a chan \u91cc\u9762\uff0c\u6709\u76f4\u63a5\u5728 chan \u5f39\u4e00\u4e2a\u51fa\u6765\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u4e00\u4e2a Buffer\uff0c\u5982\u679c\u6ca1\u6709\u5c31\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Buffer \u5bf9\u8c61\uff0cgetBuffer \u7684\u8fc7\u7a0b\uff0c\u6211\u4eec\u518d\u7ed3\u5408 returnBuffer \u7684\u8fc7\u7a0b\uff0creturnBuffer \u6211\u4eec\u7528\u5b8c\u8fd9\u4e2a Buffer \u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u628a\u8fd9\u4e2a Buffer \u585e\u5230 Free list \u91cc\u9762\uff0c\u585e\u8fdb\u53bb\u5c31\u662f\u91cc\u9762\u5982\u679c get \u7684\u65f6\u5019\uff0c\u53d1\u73b0\u8fd9\u4e2a chan \u91cc\u9762\u6709\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u62ff\u51fa\u6765\uff0c\u8fd9\u4e2a Buffer \u5c31\u53ef\u4ee5\u53cd\u590d\u88ab\u4f7f\u7528\uff0c\u5982\u679c\u8fd9\u4e2a Free list \u91cc\u9762\u5df2\u7ecf\u6ee1\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u4e22\u6389\u4e00\u4e9b\uff0c\u56e0\u4e3a\u6709\u65f6\u5019\u6b63\u5728\u4f7f\u7528\u5df2\u7ecf\u5360\u4e00\u5927\u6279\uff0c\u540c\u65f6\u6709\u5f88\u591a\u8fd4\u56de Free list\uff0cchan \u53ef\u80fd\u5df2\u7ecf\u6ee1\u4e86\uff0c\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u628a chan \u4e22\u5f03\u5c31\u53ef\u4ee5\u4e86\uff0c\u5927\u5bb6\u53ef\u4ee5\u770b\u5230 Free list \u7ba1\u7406\u5185\u5b58\u6c60\u4e00\u4e2a\u4e1c\u897f\uff0c\u662f\u975e\u5e38\u7b80\u7ec3\u7684\u5b9e\u73b0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/27e885b8ea531fd0115a4e1d3963b4d2.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/56849f0bafd2d21a0252dfe1fae11fce.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u5404\u4f4d\u6709\u591a\u5c11\u5728\u5b66\u4e60golang\u7684\u65f6\u5019\u89c1\u8fc7\u8fd9\u4e2a\u5185\u5b58\u7ba1\u7406\u7684\u65b9\u6cd5\u7684\uff1f\u6211\u5efa\u8bae\u5927\u5bb6\u770b\u4e00\u4e0b\u5b98\u65b9\u6587\u6863\uff0c\u65e0\u8bba\u5c5e\u4e8e\u4ec0\u4e48\u8bed\u8a00\uff0c\u6700\u597d\u7684\u6559\u6750\u5c31\u662f\u5b98\u65b9\u6587\u6863\uff0c\u9664\u4e86\u8bed\u6cd5\u5916\u8fd8\u6709\u5f88\u591a\u6280\u5de7\uff0c effective go \u91cc\u9762\u6709\u975e\u5e38\u597d\u7684\u7528\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/9f49c45bbebd0ae0ba28c43815717067.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u6700\u7ec8\u6548\u679c\uff0c\u6211\u4eec\u8fd9\u4e2a\u6a21\u5757\u6700\u540e\u80fd\u591f\u63a7\u5236\u901a\u8fc7 HDFS \u5199\u5165\u9891\u7387\u5728 50QPS \u5de6\u53f3\uff0c\u5bf9\u6bcf\u5c0f\u65f62\u4e07\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u4e0d\u505c\u6709\u6d88\u606f\u5199\u5165\uff0cHDFS \u4f1a\u975e\u5e38\u9ad8\uff0c\u5bf9\u8fd9\u4e2a\u60c5\u51b5\u5df2\u7ecf\u4f18\u5316\u4e86\u5f88\u591a\uff0c50QPS \u5bf9\u4e8e HDFS \u6765\u8bf4\u4e00\u70b9\u538b\u529b\u90fd\u6ca1\u6709\uff0c\u5bf9\u4e8e\u5176\u5b83\u6587\u4ef6\u7cfb\u7edf\u6765\u8bf4\u4e5f\u4e00\u70b9\u538b\u529b\u90fd\u6ca1\u6709\u3002\u5728\u6211\u4eec\u516c\u53f8\u5e38\u7528\u7684\u670d\u52a1\u5668\u4e0a\u9762\uff0c\u6211\u4eec\u5904\u7406\u80fd\u529b\u80fd\u591f\u8fbe\u5230\u6bcf\u79d2\u8fbe\u5230150\u4e07\u6761\u65e5\u5fd7\uff0c\u6211\u4eec\u7528128GB\u7684\u5185\u5b58\uff0c\u5b9e\u9645\u4e0a\u5185\u5b58\u4f7f\u7528\u572864G\u4ee5\u4e0b\uff0c\u6211\u4eec\u4f1a\u9884\u7559\u4e00\u4e9b Buffer \u6765\u8bf4\uff0c\u5982\u679c\u6709\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u7528\u66f4\u591a\u6570\u636e\u7f13\u5b58\u3002\u5728\u8fd9\u6b21\u53cc\u5341\u4e00\u5927\u4fc3\u7684\u65f6\u5019\uff0c\u6211\u4eec\u65e5\u5fd7\u5cf0\u503c\u8fbe\u5230\u6bcf\u79d2\u949f1200\u4e07\u6761\u65e5\u5fd7\uff0c\u6211\u4eec\u53ea\u75288\u53f0\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u652f\u6491\u4e0b\u6765\uff0c\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u8dd1\u8d77\u6765\u975e\u5e38\u7a33\u5b9a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/11f65e35166de4e5975bea91bfb800fb.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u9664\u4e86\u5199\u5165\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u63d0\u4f9b\u4e86\u7b80\u5355\u67e5\u8be2\uff0c\u4e5f\u662f\u7528go\u6765\u505a\u7684\uff0c\u8fd9\u5757\u4e3b\u8981\u8003\u8651\u652f\u6301\u7528\u6237\u4ee5\u524d\u4f20\u7edf\u4f7f\u7528 Access log \u7684\u4e60\u60ef\uff0c\u4e60\u60ef\u505a AWK \u7b49\u7b49\u547d\u4ee4\u8fd9\u4e9b\u62fc\u63a5\u8d77\u6765\u5904\u7406\uff0c\u53ef\u4ee5\u7b97\u4e00\u4e0b\u5728\u67d0\u4e00\u6bb5\u65f6\u95f4\u6700\u5927\u7684\u54cd\u5e94\u65f6\u95f4\u6216\u800590\u5206\u4f4d\u4e4b\u7c7b\u7684\u7edf\u8ba1\uff0c\u901a\u8fc7\u8fd9\u79cd\u8ba1\u7b97\u90fd\u53ef\u4ee5\u505a\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><\/h2>\n\n\n\n<p><strong>\u603b\u7ed3<\/strong><\/p>\n\n\n\n<p>\u603b\u7ed3\u4e00\u4e0b\u6211\u4eec\u6574\u4e2a\u8bbe\u8ba1\u91cc\u9762\u91cd\u70b9\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0cgzip \u6d41\u5f0f\u538b\u7f29\u662f\u6574\u4e2a\u8bbe\u8ba1\u7684\u524d\u63d0\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e8c\uff0c\u4e24\u7ea7\u7f13\u5b58\uff0c\u7b2c\u4e00\u7ea7\u7f13\u5b58\u91cc\u9762\u51cf\u5c11\u7f13\u5b58\u7684\u5927\u5c0f\uff0c\u524d\u9762\u8bf4Spark\u5bf9\u5185\u5b58\u5360\u7528\u5f88\u591a\uff0c\u8fd8\u6709\u6ca1\u6709\u538b\u7f29\uff0c\u6216\u8005\u8bf4\u538b\u7f29\u6bd4\u4f8b\u5f88\u5c0f\uff0c\u901a\u8fc7\u4e00\u7ea7\u7f13\u5b58\uff0c\u6211\u4eec\u7f13\u5b58\u91cc\u9762\u53ef\u4ee5\u653e\u66f4\u591a\u7684\u65e5\u5fd7\u3002\u901a\u8fc7\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u6211\u4eec\u53ef\u4ee5\u964d\u4f4eHDFS\u5199\u5165\u6b21\u6570\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e09\uff0c\u6211\u4eec\u901a\u8fc7Golang\u4fdd\u8bc1\u6574\u4e2a\u7cfb\u7edf\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u5bf9\u8d44\u6e90\u5360\u7528\u4e5f\u6709\u4fdd\u969c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/16056d4eaf0ebdcf5bbd859585d37252.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u56de\u5934\u518d\u770b\u4e00\u4e0b\uff0c\u901a\u8fc7\u8fd9\u4e48\u4e00\u4e2a\u9879\u76ee\uff0c\u5927\u5bb6\u60f3\u8c61\u4e00\u4e0b Golang \u5728\u5927\u6570\u636e\u91cc\u9762\u5230\u5e95\u6709\u591a\u5927\u7684\u4f7f\u7528\u524d\u666f\uff1f<\/p>\n\n\n\n<p><strong>Golang\u5e94\u7528\u5728\u5927\u6570\u636e\u9886\u57df\u7684\u601d\u8003<\/strong><\/p>\n\n\n\n<p>\u8ba8\u8bba\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u518d\u5bf9\u6bd4\u4e00\u4e0b Golang \u548cJava\uff0cJava \u5f00\u6e90\u6846\u67b6\u548c\u5f00\u6e90\u5e93\u7684\u652f\u6301\u662f\u975e\u5e38\u597d\u7684\uff0c\u53ef\u4ee5\u62535\u661f\uff0cGolang \u5728\u8fd9\u65b9\u9762\u8fd8\u662f\u6bd4\u8f83\u7f3a\u5931\u3002\u603b\u4f53\u6765\u8bf4\u5982\u679c\u8981\u7528\u591a\u5f88\u591a\u5f00\u6e90\u65b9\u5411\u5e93\uff0cJava \u8fd9\u5757\u8fd8\u662f\u4f18\u52bf\uff0c\u53e6\u5916\u8fd8\u6709\u6027\u80fd\u524d\u9762\u5bf9\u6bd4\u8fc7\u4e86\uff0c\u8003\u8651\u5bf9\u5185\u5b58\u4f7f\u7528\u6765\u8bf4\uff0cGolang \u8fd8\u662f\u7a0d\u5fae\u597d\u4e00\u70b9\u3002\u5f00\u53d1\u6548\u7387\uff0cGolang \u6bd4 Java \u8981\u5f3a\u5f88\u591a\uff0c\u8fd8\u6709\u90e8\u7f72\u590d\u6742\u5ea6\u5927\u5bb6\u975e\u5e38\u6e05\u695a\uff0cGolang\u90e8\u7f72\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/02d8048b7c052174a04a1f0bc593d634.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u4ece\u8fd9\u91cc\u5f15\u7533\u5f00\u6765\uff0c\u6211\u8ba4\u4e3aGo\u8bed\u8a00\u5728\u5927\u6570\u636e\u9886\u57df\u786e\u5b9e\u6709\u4e0d\u9002\u5e94\u7684\u573a\u666f\uff0c\u7279\u522b\u662f\u9700\u8981\u7528\u5728 MapReduce \u7b49\u5206\u5e03\u5f0f\u8ba1\u7b97\u6a21\u578b\u3002\u8fd9\u91cc\u5c31\u5305\u62ec\u5982\u679c\u5728\u591a\u53f0\u673a\u5668\u4e0a\u9762\u5904\u7406\u6570\u636e\uff0c\u6700\u7ec8\u9700\u8981\u805a\u5408\u8d77\u6765\uff0c\u7528 reduce \u8ba1\u7b97\u7684\u60c5\u51b5\uff0c\u7528 go \u662f\u56e0\u4e3a\u6ca1\u6709\u8fd9\u79cd\u6846\u67b6\u7684\uff0c\u5982\u679c\u8981\u505a\u5b8c\u5168\u81ea\u5df1\u5b9e\u73b0\u662f\u975e\u5e38\u590d\u6742\u7684\u903b\u8f91\u3002\u6240\u4ee5\u5982\u679c\u7528 reduce \u7684\u5904\u7406\u8fd9\u79cd Golang \u662f\u4e0d\u9002\u5408\uff0c\u610f\u5473\u7740\u5927\u90e8\u5206\u79bb\u7ebf\u8ba1\u7b97\uff0c\u73b0\u5728\u5f88\u591a\u79bb\u7ebf\u8ba1\u7b97\u662f\u7528 MapReduce \u6216\u8005\u7528 Spark \u4e0a\u9762\u7c7b\u4f3c\u4e8e MapReduce \u8fd9\u6837\u7684\u8ba1\u7b97\u6846\u67b6\u6765\u505a\u7684\uff0c\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\u6846\u67b6\u662f\u505a\u4e0d\u4e86\u8fd9\u4e2a\u8ba1\u7b97\u7684\u3002\u5728\u54ea\u4e9b\u5730\u65b9\u53ef\u4ee5\u9002\u7528\uff0c\u6700\u5927\u573a\u666f\u5c31\u662fETL\uff0c\u8fd9\u4e2aETL\u4f5c\u7528\u5c31\u662f\u4ece\u62c9\u53d6\u539f\u6570\u636e\u505a\u6570\u636e\u7684\u8f6c\u6362\uff0c\u7136\u540e\u518d\u5b58\u50a8\u5230\u6570\u636e\u4ed3\u5e93\u91cc\u9762\u8fc7\u7a0b\uff0c\u8fd9\u4e2a\u5927\u6570\u636e\u8ba1\u7b97\u91cc\u9762\u975e\u5e38\u91cd\u8981\u7684\u73af\u8282\uff0c\u5176\u5b9e\u521a\u624d\u6211\u4eec\u4ecb\u7ecd\u4e86\u7684Access Log\u5b58\u50a8\u5c31\u662f\u8fd9\u4e48\u4e00\u4e2a\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/img_convert\/440baab0af3ede8dd5c8926389c99e89.png\" alt=\"640?wx_fmt=png\"\/><\/figure>\n\n\n\n<p>\u4e2d\u95f4\u7684\u8f6c\u5316\u4e3b\u8981\u662f\u5305\u62ec\u8fd9\u4e48\u76ee\u7684\uff0c\u4e00\u4e2a\u662f\u6570\u636e\u7684\u6e05\u6d17\uff0c\u6709\u6ca1\u6709\u65e0\u6548\u7684\u6570\u636e\u8981\u628a\u5b83\u6e05\u6d17\u6389\uff0c\u8fd8\u6709\u4e00\u4e2a\u6570\u636e\u7684\u4fee\u590d\uff0c\u6bd4\u5982\u8bf4\u6709\u4e9b\u5b57\u6bb5\u672c\u6765\u662f\u6b63\u503c\uff0c\u5ffd\u7136\u4f20\u6765\u8d1f\u503c\u771f\u4e48\u529e\uff0c\u8fd9\u65f6\u5019\u5e94\u8be5\u5c1d\u8bd5\u4fee\u590d\u4e00\u4e0b\uff0c\u800c\u4e0d\u662f\u628a\u5b83\u4e22\u6389\uff0c\u8fd8\u6709\u4e00\u4e9b\u6570\u636e\u683c\u5f0f\u7684\u8f6c\u5316\uff0c\u6309\u7167\u4f60\u6570\u636e\u7684\u683c\u5f0f\u628a\u5b83\u8f6c\u5316\u4e00\u4e0b\u518d\u5b58\u50a8\u5230\u6570\u636e\u4ed3\u5e93\u91cc\u9762\uff0c\u8fd9\u662fETL\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\u524d\u9762\u51e0\u5e74\u5927\u5bb6\u90fd\u8ffd\u6c42\u5927\u6570\u636e\uff0c\u5e0c\u671b\u6570\u636e\u8d8a\u591a\u7ea6\u597d\uff0c\u73b0\u5728\u5927\u5bb6\u5f00\u59cb\u6ce8\u91cd\u6570\u636e\u8d28\u91cf\uff0c\u5b58\u50a8\u5230\u5927\u6570\u636e\u91cc\u9762\u7684\u6570\u636e\u8d28\u91cf\uff0c\u6700\u91cd\u8981\u5927\u6570\u636e\u5904\u7406\u7684\u7ed3\u679c\u662f\u4e0d\u662f\u6709\u975e\u5e38\u5927\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u5728ETL\u7684\u8fc7\u7a0b\uff0c\u6211\u8ba4\u4e3a Golang \u7531\u4e8e\u524d\u9762\u6027\u80fd\u7684\u4f18\u52bf\uff0c\u5728\u8fd9\u5757\u662f\u53ef\u4ee5\u65bd\u5c55\u62f3\u811a\u7684\u3002\u5f15\u7533\u5f00\u5c31\u662f\u5206\u5e03\u5f0f\u534f\u540c\u8ba1\u7b97\uff0c\u4e0d\u9700\u8981reduce\u8ba1\u7b97\u7684\u6d41\u5f0f\u5904\u7406\u3002\u8fd8\u6709\u5c31\u662f\u4e2d\u5c0f\u89c4\u6a21\u6570\u636e\u91cf\uff0c\u9488\u5bf9ETL\uff0c\u7528 Go \u6ca1\u6709\u5206\u5e03\u5f0f\u6846\u67b6\u6765\u505a\uff0c\u53ef\u80fd\u9ebb\u70e6\u4e00\u70b9\uff0c\u5982\u679c\u6d89\u53ca\u5230\u9700\u8981\u5f88\u5927\u7684\u96c6\u7fa4\uff0c\u6709\u51e0\u5341\u53f0\u673a\u5668\uff0c\u4e0a\u767e\u53f0\u673a\u5668\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u52a0\u5165\u5230\u8c03\u5ea6\u6846\u67b6\u4e0a\u9762\u505a\u8fd9\u4e9b\u4e8b\u60c5\uff0c\u56e0\u4e3a\u5728 Java \u5df2\u7ecf\u6709\u6210\u719f\u7684\u6846\u67b6\u652f\u6301\uff0c\u6240\u4ee5\u4f1a\u7b80\u5355\u4e00\u4e9b\uff0c\u5728 GO \u4e0a\uff0c\u5728\u51e0\u53f0\u670d\u52a1\u5668\u89c4\u6a21\u7684\u5b9e\u8df5\u4e0a\u5176\u5b9e\u662f\u53ef\u4ee5\u505a\u7684\uff0c\u8fd9\u4e9b\u662f\u6211\u7684\u601d\u8003\uff0c\u6709\u4e9b\u601d\u8def\u5e0c\u671b\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u6211\u7684\u5206\u4eab\u5c31\u8fd9\u4e48\u591a\uff0c\u5927\u5bb6\u6709\u4ec0\u4e48\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>Q&amp;A<\/strong><\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u6709\u4e24\u4e2a\u95ee\u9898\u60f3\u95ee\u4e00\u4e0b\uff0c\u7b2c\u4e00\uff0c Access log \u8be5\u600e\u4e48\u4f7f\u7528\uff0cAccess log \u5bf9\u62a5\u8868\u7edf\u8ba1\u6216\u8005\u4ec0\u4e48\u8ba1\u7b97\u4e4b\u7c7b\u7684\uff0c\u521a\u624d\u542c\u5230\u4f7f\u7528<\/strong><strong>A<\/strong><strong>PI\uff0c\u8fd9\u662f\u4f60\u4eec\u505a\u4e8c\u6b21\u5f00\u53d1\u5904\u7406\u7528\u6237\u7684\u547d\u4ee4\u5417\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u7b2c\u4e00\u4e2a\u95ee\u9898\u4f60\u8bf4Access log\u8be5\u600e\u4e48\u4f7f\u7528\uff0c\u4e00\u4e2a\u573a\u666f\u662f\u505a\u62a5\u8868\uff0c\u6211\u4eec\u516c\u53f8\u662f\u6709Hive\u7684\u7cfb\u7edf\u6765\u505a\u7684\uff0c\u5f53\u7136\u4ee5\u540e\u6211\u4eec\u8fd9\u8fb9\u4e5f\u53bb\u8003\u8651\uff0c\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u62a5\u8868\u7684\u529f\u80fd\u3002\u53e6\u5916\u4e3b\u8981\u670d\u52a1\u4e8e\u5f00\u53d1\u8005\uff0c\u5173\u4e8e\u4ed6\u53d1\u73b0\u95ee\u9898\uff0c\u9700\u8981\u67e5\u67d0\u4e2a\u6765\u6e90IP\uff0c\u4ed6\u8c03\u7528\u4e86\u4ec0\u4e48URL\uff0c\u4f1a\u67e5\u8fd9\u4e2a\u8bb0\u5f55\u7684\u65f6\u5019\uff0c\u5fc5\u987b\u8bbf\u95ee\u5230Access log\u505a\u5feb\u901f\u67e5\u8be2\uff0c\u4e5f\u5c31\u662f\u6240\u8c13\u7684Ad-hoc\u67e5\u8be2\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff0c\u6211\u770b\u5230\u4f60\u4eec\u56db\u4e2a\u9636\u6bb5\uff0c\u4ece\u6d88\u8d39\u3001\u89e3\u6790\u3001\u538b\u7f29\u5230\u5199\u5165\uff0c\u8fd9\u56db\u4e2a\u9636\u6bb5\uff0c\u6d88\u606f\u4f1a\u4e22\u5931\u4ec0\u4e48\u573a\u666f\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u5728\u5199HDFS\u7684\u65f6\u5019\u662f\u6700\u6709\u53ef\u80fd\u53d1\u751f\u5931\u8d25\u7684\u5730\u65b9\uff0c\u6211\u4eec\u4f1a\u8fdb\u884c\u91cd\u8bd5\uff0c\u8d85\u8fc7\u4e00\u5b9a\u6b21\u6570\u4e4b\u540e\u5982\u679c\u8fd8\u662f\u5931\u8d25\uff0c\u6211\u4eec\u8fd8\u662f\u4f1a\u843d\u76d8\u5230\u672c\u5730\uff0c\u901a\u8fc7\u5b9a\u65f6\u4efb\u52a1\u628a\u5904\u7406\u5931\u8d25\u7684\u6570\u636e\u4f1a\u518d\u91cd\u65b0\u5199\u5230HDFS\u91cc\u9762\u53bb\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u521a\u624d\u53ea\u542c\u5230\u53ea\u662fBuffer\u91cd\u8bd5\uff0c\u4f60\u524d\u9762\u597d\u51e0\u4e2a\u6b65\u9aa4\uff0c\u6bd4\u5982\u8bf4\u670d\u52a1\u7aef\u91cd\u542f\u8fd9\u4e9b\u573a\u666f\u3002<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u8fd9\u4e9b\u5c31\u8981\u8003\u8651\u5230\u7528\u6237\u5230\u5e95\u5bf9\u6570\u636e\u7684\u53ef\u9760\u6027\u8981\u6c42\u6709\u591a\u9ad8\uff0c\u6216\u8005\u8bf4\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u6709\u4e0d\u540c\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002\u5982\u679c\u6570\u636e\u8981\u6c42\u975e\u5e38\u9ad8\uff0c\u6bd4\u5982\u8bf4\u4ea4\u6613\u6570\u636e\uff0c\u53ef\u80fd\u5c31\u8981\u5355\u72ec\u505a\u4e00\u4e2a Kafka \u6d88\u8d39\u6a21\u578b\uff0c\u6700\u7ec8\u5199\u5165\u5230 HDFS\uff0c\u624d\u80fd\u786e\u5b9a\u8fd9\u4e2a\u6570\u636e\u5199\u5165\u6210\u529f\u4e86\uff0c\u8fd9\u79cd\u975e\u5e38\u9ad8\u7684\u53ef\u9760\u6027\u8981\u6c42\uff0c\u5bf9\u6027\u80fd\u4e5f\u4f1a\u635f\u5931\u5f88\u591a\u3002\u5bf9\u4e8e\u65e5\u5fd7\u67e5\u8be2\u8fd9\u79cd\u5e94\u7528\uff0c\u6211\u4eec\u8ba4\u4e3a\u5b83\u7684\u573a\u666f\u5e76\u4e0d\u9700\u8981\u90a3\u4e48\u9ad8\u7684\u53ef\u9760\u6027\u8981\u6c42\uff0c\u6240\u4ee5\u505a\u5f97\u7b80\u5355\u4e00\u70b9\u3002\u5f53\u771f\u7684\u51fa\u73b0\u4e22\u5931\u95ee\u9898\u7684\u65f6\u5019\uff0c\u6211\u4eec\u6709\u9700\u8981\u7684\u8bdd\u8fd8\u662f\u53ef\u4ee5\u4ecekafka\u518d\u91cd\u65b0\u62c9\u53d6\u6570\u636e\u8865\u56de\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u8bb2\u5e08\u60a8\u597d\uff0c\u8bf7\u6559\u4e00\u4e0b\uff0c\u76ee\u524d Access log 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log\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u5176\u5b9e\u683c\u5f0f\u5927\u5bb6\u5df2\u7ecf\u7edf\u4e00\u4e86\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u5bf9\uff0c\u8fd9\u51e0\u79cd\u7ec4\u4ef6\u7684\u65e5\u5fd7\u90fd\u6709\u5404\u81ea\u7edf\u4e00\u683c\u5f0f\u7684\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u5982\u679c\u4e1a\u52a1\u6027\u5f00\u53d1\u5e94\u7528\uff0c\u8fd9\u4e9b\u7406\u8bba\u4e0a\u6ca1\u6709\u529e\u6cd5\uff0c\u9664\u975e\u4f60\u4eec\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7ed3\u6784\u683c\u5f0f\u7ed9\u4ed6\u4eec\u3002<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u5bf9\u4e8eNginx Access Log\uff0c\u4e3b\u8981\u9700\u8981\u8fd0\u7ef4\u53bb\u505a\u63a8\u52a8\u3002\u5982\u679c\u4e0d\u7edf\u4e00\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728\u5199\u8fc7\u5f88\u591a\u89c4\u5219\u53bb\u9002\u914d\u5b83\u6765\u505a\uff0c\u4f46\u6700\u597d\u65b9\u6cd5\u5c31\u662f\u7edf\u4e00\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u5f53\u65f6\u5728\u9009\u578b\u5b58\u50a8\u7684\u65f6\u5019\uff0c\u4f60\u8fd9\u8fb9\u9009\u53ef\u662f HDFS\uff0c\u5176\u5b9e<\/strong><strong>\u662f\u4e0d\u662f\u53ef\u4ee5\u7528\u65f6\u5e8f\u6570\u636e\u5e93<\/strong><strong>\uff0c\u4f60\u8981\u4fdd\u5b58\u534a\u5e74\u6216\u8005\u4e09\u4e2a\u6708\u8fd9\u4e2a\u8981\u505a\u4ec0\u4e48\u8003\u8651\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u9996\u5148\u65f6\u5e8f\u6570\u636e\u5e93TSDB\uff0c\u9002\u5408\u7528\u6765\u653e\u6307\u6807\u7c7b\u7684\u4e1c\u897f\uff0c\u4e3b\u8981\u7528\u6765\u770b\u8d8b\u52bf\u7ebf\u7684\uff0c\u65e5\u5fd7\u8fd9\u79cd\u653e\u8fdb\u53bb\u662f\u4e0d\u5408\u9002\u7684\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u8001\u5e08\u60a8\u597d\uff0c\u6211\u60f3\u95ee\u4e00\u4e0b\u521a\u521a\u8bf4\u6536\u96c6\u90a3\u4e00\u5757\uff0c\u5b83\u7684\u6027\u80fd\u6709\u6ca1\u6709\u5bf9\u6bd4\u8fc7\u50cf F<\/strong><strong>lume<\/strong><strong>\u8fd9\u79cd\uff0c\u4ed6\u4eec\u4e24\u79cd\u5bf9\u6bd4\u4f60\u89c9\u5f97\u4f18\u52bf\u5728\u54ea\u91cc\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u4e0d\u540c\u91c7\u96c6\u7aef\u7684\u6027\u80fd\u6211\u4eec\u662f\u5bf9\u6bd4\u8fc7\uff0cFlume\u6027\u80fd\u8fd8\u4e0d\u9519\uff0c\u4f46\u662f\u524d\u9762\u8bf4 Flume \u662f\u57fa\u4e8eJava\uff0c\u5bf9\u5185\u5b58\u7684\u6d88\u8017\u6bd4\u8f83\u5927\uff0c\u4f1a\u5360\u7528\u9884\u671f\u7684\u5185\u5b58\uff0c\u53e6\u5916\u662f\u4e8c\u6b21\u5f00\u53d1\u590d\u6742\u5ea6\uff0c\u6211\u4eec\u7528GO\u4e8c\u6b21\u5f00\u53d1\u6bd4\u4ed6\u90a3\u8fb9\u5f00\u53d1\u57fa\u4e8eFlume\u5f00\u53d1\u8fd8\u8981\u5feb\u3002<\/p>\n\n\n\n<p><strong>\u95ee\uff1a\u5bf9\u4e8e\u5b8c\u5907\u6027\u6709\u6ca1\u6709\u5bf9\u6bd4\u8fc7\uff0c\u6536\u96c6\u4f1a\u4e0d\u4f1a\u4e22\u5931\uff0c\u4f60\u628a\u5b83\u6293\u53d6\u5230\u4e86\uff0c\u4f1a\u4e0d\u4f1a\u5b58\u5728\u4e22\u5931\u7684\u60c5\u51b5\uff1f<\/strong><\/p>\n\n\n\n<p>\u6f58\u536b\u534e\uff1a\u9996\u5148\u5b83\u4f1a\u6709\u8bb0\u5f55Offset\uff0c\u5b83\u8bfb\u4e86\u591a\u5c11\uff0c\u5b83\u4f1a\u8bb0\u5f55\u5728\u6587\u4ef6\u91cc\u9762\uff0c\u6574\u4e2a\u5f00\u53d1\u5904\u7406\u5b8c\u4e4b\u540e\u4f1a\u53d1\u7ed9 Kafka\uff0c\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u95f4\u6ca1\u6709\u53d1\u73b0\u4e22\u5931\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f00\u7bc7-\u552f\u54c1\u4f1a\u65e5\u5fd7\u7cfb\u7edf\u521d\u63a2 \u552f\u54c1\u4f1a\u65e5\u5fd7\u7cfb\u7edf\uff0c\u627f\u63a5\u4e86\u516c\u53f8\u4e0a\u5343\u4e2a\u5e94\u7528\u7684\u65e5\u5fd7\uff0c\u63d0\u4f9b\u4e86\u65e5\u5fd7\u5feb\u901f\u67e5\u8be2\u3001\u7edf\u8ba1\u3001\u544a\u8b66&hellip; <a href=\"http:\/\/viplao.com\/index.php\/2022\/09\/17\/%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-%e5%94%af%e5%93%81%e4%bc%9adragonfly%e6%97%a5%e5%bf%97%e7%b3%bb%e7%bb%9f%e7%9a%84elasticsearch%e5%ae%9e%e8%b7%b5%ef%bf%bc\/\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">\u8fd0\u7ef4\u5de5\u5177 &#8211; \u552f\u54c1\u4f1aDragonfly\u65e5\u5fd7\u7cfb\u7edf\u7684Elasticsearch\u5b9e\u8df5\ufffc<\/span><i class=\"fa 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