{"id":162867,"date":"2024-11-04T18:41:19","date_gmt":"2024-11-04T10:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162867\/"},"modified":"2024-11-04T18:41:20","modified_gmt":"2024-11-04T10:41:20","slug":"%e6%95%99%e4%bd%a0%e7%8e%a9%e8%bd%89myrocks-rocksdb-statistics%e8%88%87%e5%be%8c%e5%8f%b0%e7%b7%9a%e7%a8%8b%e7%af%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162867\/","title":{"rendered":"\u6559\u4f60\u73a9\u8f49MyRocks\/RocksDB\u2014STATISTICS\u8207\u5f8c\u53f0\u7dda\u7a0b\u7bc7"},"content":{"rendered":"<h1 id=\"%e6%95%99%e4%bd%a0%e7%8e%a9%e8%bd%89myrocks-rocksdb-statistics%e8%88%87%e5%be%8c%e5%8f%b0%e7%b7%9a%e7%a8%8b%e7%af%87-KOAuXVBIAt\">\u6559\u4f60\u73a9\u8f49MyRocks\/RocksDB\u2014STATISTICS\u8207\u5f8c\u53f0\u7dda\u7a0b\u7bc7<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002MyRocks\u548cRocksDB\u4f5c\u70ba\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMyRocks\/RocksDB\u4e2d\u7684STATISTICS\u529f\u80fd\u53ca\u5176\u5f8c\u53f0\u7dda\u7a0b\u7684\u904b\u4f5c\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u512a\u5316\u9019\u4e9b\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"myrocks-rocksdb%e7%b0%a1%e4%bb%8b-KOAuXVBIAt\">MyRocks\/RocksDB\u7c21\u4ecb<\/h2>\n<p>MyRocks\u662f\u57fa\u65bcRocksDB\u7684MySQL\u5b58\u5132\u5f15\u64ce\uff0c\u5c08\u70ba\u9ad8\u6027\u80fd\u548c\u9ad8\u58d3\u529b\u7684\u61c9\u7528\u5834\u666f\u8a2d\u8a08\u3002RocksDB\u672c\u8eab\u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5d4c\u5165\u5f0f\u9375\u503c\u6578\u64da\u5eab\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u5feb\u901f\u8b80\u5beb\u7684\u5834\u666f\u3002\u9019\u5169\u8005\u7684\u7d50\u5408\u4f7f\u5f97MySQL\u80fd\u5920\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u4fdd\u6301\u9ad8\u6548\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"statistics%e5%8a%9f%e8%83%bd%e6%a6%82%e8%bf%b0-KOAuXVBIAt\">STATISTICS\u529f\u80fd\u6982\u8ff0<\/h2>\n<p>\u5728MyRocks\/RocksDB\u4e2d\uff0cSTATISTICS\u529f\u80fd\u63d0\u4f9b\u4e86\u95dc\u65bc\u6578\u64da\u5eab\u904b\u884c\u72c0\u614b\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u9019\u4e9b\u7d71\u8a08\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u4e86\u89e3\u6578\u64da\u5eab\u7684\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/p>\n<h3 id=\"%e5%a6%82%e4%bd%95%e5%95%9f%e7%94%a8statistics-KOAuXVBIAt\">\u5982\u4f55\u555f\u7528STATISTICS<\/h3>\n<p>\u8981\u555f\u7528STATISTICS\u529f\u80fd\uff0c\u53ef\u4ee5\u5728RocksDB\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<pre><code>options.statistics = true;<\/code><\/pre>\n<p>\u555f\u7528\u5f8c\uff0cRocksDB\u5c07\u958b\u59cb\u6536\u96c6\u5404\u7a2e\u904b\u884c\u6642\u7d71\u8a08\u6578\u64da\uff0c\u5305\u62ec\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u7684\u5ef6\u9072\u3001\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3001\u58d3\u7e2e\u7387\u7b49\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84statistics%e6%8c%87%e6%a8%99-KOAuXVBIAt\">\u5e38\u898b\u7684STATISTICS\u6307\u6a19<\/h3>\n<ul>\n<li><strong>Read Latency:<\/strong> \u8b80\u53d6\u64cd\u4f5c\u7684\u5e73\u5747\u5ef6\u9072\u6642\u9593\u3002<\/li>\n<li><strong>Write Latency:<\/strong> \u5beb\u5165\u64cd\u4f5c\u7684\u5e73\u5747\u5ef6\u9072\u6642\u9593\u3002<\/li>\n<li><strong>Block Cache Hit Ratio:<\/strong> \u5feb\u53d6\u547d\u4e2d\u7387\uff0c\u53cd\u6620\u4e86\u6578\u64da\u7684\u5feb\u53d6\u6548\u7387\u3002<\/li>\n<li><strong>Compaction Time:<\/strong> \u6578\u64da\u58d3\u7e2e\u6240\u9700\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6307\u6a19\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u6027\u80fd\u554f\u984c\uff0c\u4e26\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"%e5%be%8c%e5%8f%b0%e7%b7%9a%e7%a8%8b%e7%9a%84%e9%81%8b%e4%bd%9c-KOAuXVBIAt\">\u5f8c\u53f0\u7dda\u7a0b\u7684\u904b\u4f5c<\/h2>\n<p>RocksDB\u7684\u5f8c\u53f0\u7dda\u7a0b\u8ca0\u8cac\u57f7\u884c\u591a\u7a2e\u4efb\u52d9\uff0c\u5305\u62ec\u6578\u64da\u58d3\u7e2e\u3001\u5408\u4f75\u548c\u5feb\u53d6\u7ba1\u7406\u7b49\u3002\u9019\u4e9b\u7dda\u7a0b\u7684\u6709\u6548\u904b\u4f5c\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3 id=\"%e5%be%8c%e5%8f%b0%e7%b7%9a%e7%a8%8b%e7%9a%84%e9%a1%9e%e5%9e%8b-KOAuXVBIAt\">\u5f8c\u53f0\u7dda\u7a0b\u7684\u985e\u578b<\/h3>\n<ul>\n<li><strong>Compaction Thread:<\/strong> \u8ca0\u8cac\u5c07\u5c0f\u7684SST\u6587\u4ef6\u5408\u4f75\u6210\u5927\u7684SST\u6587\u4ef6\uff0c\u4ee5\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\u3002<\/li>\n<li><strong>Flush Thread:<\/strong> \u5c07MemTable\u4e2d\u7684\u6578\u64da\u5beb\u5165\u78c1\u789f\uff0c\u5f62\u6210SST\u6587\u4ef6\u3002<\/li>\n<li><strong>Background IO Thread:<\/strong> \u8655\u7406\u5f8c\u53f0\u7684I\/O\u8acb\u6c42\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7%e5%be%8c%e5%8f%b0%e7%b7%9a%e7%a8%8b-KOAuXVBIAt\">\u5982\u4f55\u76e3\u63a7\u5f8c\u53f0\u7dda\u7a0b<\/h3>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904eRocksDB\u63d0\u4f9b\u7684\u7d71\u8a08\u4fe1\u606f\u4f86\u76e3\u63a7\u5f8c\u53f0\u7dda\u7a0b\u7684\u904b\u4f5c\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8a62\u5f8c\u53f0\u7dda\u7a0b\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW ENGINE ROCKSDB STATUS;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u5f8c\u53f0\u7dda\u7a0b\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7576\u524d\u6b63\u5728\u57f7\u884c\u7684\u4efb\u52d9\u3001\u5ef6\u9072\u6642\u9593\u7b49\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KOAuXVBIAt\">\u7d50\u8ad6<\/h2>\n<p>MyRocks\/RocksDB\u7684STATISTICS\u529f\u80fd\u548c\u5f8c\u53f0\u7dda\u7a0b\u7684\u6709\u6548\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u548c\u76e3\u63a7\uff0c\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dcVPS\u548c\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u60a8\u7684\u61c9\u7528\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MyRocks\/RocksDB\u7684STATISTICS\u8207\u5f8c\u53f0\u7dda\u7a0b\uff0c\u638c\u63e1\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-162867","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=162867"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162867\/revisions"}],"predecessor-version":[{"id":162868,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162867\/revisions\/162868"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}