{"id":160319,"date":"2024-11-03T22:07:21","date_gmt":"2024-11-03T14:07:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160319\/"},"modified":"2024-11-03T22:07:22","modified_gmt":"2024-11-03T14:07:22","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%9f%a5%e8%a9%a2-sql-%e6%b5%81%e9%87%8f%e5%88%86%e4%bd%88%e6%83%85%e6%b3%81%e5%8f%8a-qps","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160319\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u67e5\u8a62 SQL \u6d41\u91cf\u5206\u4f48\u60c5\u6cc1\u53ca QPS"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%9f%a5%e8%a9%a2-sql-%e6%b5%81%e9%87%8f%e5%88%86%e4%bd%88%e6%83%85%e6%b3%81%e5%8f%8a-qps-mMbwfIXchv\">OceanBase \u6559\u7a0b\uff1aOceanBase \u67e5\u8a62 SQL \u6d41\u91cf\u5206\u4f48\u60c5\u6cc1\u53ca QPS<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u67e5\u8a62 OceanBase \u7684 SQL \u6d41\u91cf\u5206\u4f48\u60c5\u6cc1\u53ca\u6bcf\u79d2\u67e5\u8a62\u6b21\u6578\uff08QPS\uff09\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u512a\u5316\u5176\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase%ef%bc%9f-mMbwfIXchv\">\u4ec0\u9ebc\u662f OceanBase\uff1f<\/h2>\n<p>OceanBase \u662f\u963f\u91cc\u5df4\u5df4\u96c6\u5718\u958b\u767c\u7684\u4e00\u6b3e\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u65e8\u5728\u652f\u6301\u5927\u898f\u6a21\u7684\u5728\u7dda\u4ea4\u6613\u8655\u7406\uff08OLTP\uff09\u548c\u5728\u7dda\u5206\u6790\u8655\u7406\uff08OLAP\uff09\u3002\u5b83\u5177\u5099\u9ad8\u53ef\u7528\u6027\u3001\u9ad8\u64f4\u5c55\u6027\u548c\u9ad8\u6027\u80fd\u7684\u7279\u9ede\uff0c\u9069\u5408\u7528\u65bc\u91d1\u878d\u3001\u96fb\u5546\u7b49\u9700\u8981\u9ad8\u4e26\u767c\u548c\u9ad8\u53ef\u7528\u6027\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2-sql-%e6%b5%81%e9%87%8f%e5%88%86%e4%bd%88%e6%83%85%e6%b3%81-mMbwfIXchv\">\u67e5\u8a62 SQL \u6d41\u91cf\u5206\u4f48\u60c5\u6cc1<\/h2>\n<p>\u4e86\u89e3 SQL \u6d41\u91cf\u7684\u5206\u4f48\u60c5\u6cc1\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u8abf\u512a\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u76e3\u63a7\u548c\u5206\u6790 SQL \u6d41\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8a62\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%b3%bb%e7%b5%b1%e8%a1%a8%e6%9f%a5%e8%a9%a2%e6%b5%81%e9%87%8f-mMbwfIXchv\">\u4f7f\u7528\u7cfb\u7d71\u8868\u67e5\u8a62\u6d41\u91cf<\/h3>\n<p>OceanBase \u63d0\u4f9b\u4e86\u591a\u500b\u7cfb\u7d71\u8868\u4f86\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u67e5\u8a62\uff0c\u8a72\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u7372\u53d6\u7576\u524d\u7684 SQL \u6d41\u91cf\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT \n    sql_id, \n    COUNT(*) AS execution_count, \n    SUM(elapsed_time) AS total_time \nFROM \n    oceanbase.__all_sql \nGROUP BY \n    sql_id \nORDER BY \n    total_time DESC \nLIMIT 10;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u57f7\u884c\u6b21\u6578\u6700\u591a\u7684\u524d\u5341\u500b SQL \u8a9e\u53e5\u53ca\u5176\u7e3d\u57f7\u884c\u6642\u9593\uff0c\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-mMbwfIXchv\">\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u9664\u4e86\u76f4\u63a5\u67e5\u8a62\u7cfb\u7d71\u8868\uff0cOceanBase \u9084\u63d0\u4f9b\u4e86\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982 OceanBase Dashboard\uff0c\u9019\u662f\u4e00\u500b\u53ef\u8996\u5316\u7684\u754c\u9762\uff0c\u80fd\u5920\u5be6\u6642\u986f\u793a SQL \u6d41\u91cf\u7684\u5206\u4f48\u60c5\u6cc1\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u9019\u4e9b\u5de5\u5177\u8f15\u9b06\u67e5\u770b\u5404\u500b SQL \u8a9e\u53e5\u7684\u57f7\u884c\u72c0\u6cc1\u3001\u6d41\u91cf\u5206\u4f48\u53ca\u5176\u5c0d\u7cfb\u7d71\u8cc7\u6e90\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e6%af%8f%e7%a7%92%e6%9f%a5%e8%a9%a2%e6%ac%a1%e6%95%b8%ef%bc%88qps%ef%bc%89%e7%9a%84%e8%a8%88%e7%ae%97-mMbwfIXchv\">\u6bcf\u79d2\u67e5\u8a62\u6b21\u6578\uff08QPS\uff09\u7684\u8a08\u7b97<\/h2>\n<p>QPS \u662f\u8861\u91cf\u6578\u64da\u5eab\u6027\u80fd\u7684\u4e00\u500b\u91cd\u8981\u6307\u6a19\uff0c\u8868\u793a\u6bcf\u79d2\u80fd\u5920\u8655\u7406\u7684\u67e5\u8a62\u6b21\u6578\u3002\u8a08\u7b97 QPS \u7684\u65b9\u6cd5\u76f8\u5c0d\u7c21\u55ae\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\uff1a<\/p>\n<pre><code>SELECT \n    COUNT(*) \/ (UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(MIN(create_time))) AS qps \nFROM \n    oceanbase.__all_sql \nWHERE \n    create_time &gt; NOW() - INTERVAL 1 HOUR;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8a08\u7b97\u904e\u53bb\u4e00\u5c0f\u6642\u5167\u7684\u5e73\u5747 QPS\uff0c\u5e6b\u52a9\u7528\u6236\u8a55\u4f30\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96-sql-%e6%b5%81%e9%87%8f%e5%92%8c-qps-mMbwfIXchv\">\u512a\u5316 SQL \u6d41\u91cf\u548c QPS<\/h2>\n<p>\u5728\u7372\u53d6\u4e86 SQL \u6d41\u91cf\u5206\u4f48\u548c QPS \u7684\u6578\u64da\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9019\u4e9b\u4fe1\u606f\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u512a\u5316\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u512a\u5316\uff1a<\/strong>\u78ba\u4fdd\u5e38\u7528\u7684\u67e5\u8a62\u6709\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u67e5\u8a62\u91cd\u69cb\uff1a<\/strong>\u5c0d\u65bc\u57f7\u884c\u6642\u9593\u904e\u9577\u7684\u67e5\u8a62\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u69cb SQL \u8a9e\u53e5\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u914d\u7f6e\uff1a<\/strong>\u6839\u64da QPS \u7684\u8b8a\u5316\uff0c\u9069\u6642\u8abf\u6574 OceanBase \u7684\u8cc7\u6e90\u914d\u7f6e\uff0c\u4ee5\u61c9\u5c0d\u9ad8\u5cf0\u671f\u7684\u6d41\u91cf\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-mMbwfIXchv\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5c0d OceanBase \u7684 SQL \u6d41\u91cf\u5206\u4f48\u60c5\u6cc1\u53ca QPS \u7684\u6df1\u5165\u5206\u6790\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u6578\u64da\u5eab\u7684\u6027\u80fd\u7279\u5fb5\uff0c\u4e26\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u63d0\u5347\u6574\u9ad4\u696d\u52d9\u7684\u904b\u884c\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u53ca\u5176\u5728\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u4e2d\u7684\u61c9\u7528\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u6559\u7a0b\uff0c\u5b78\u7fd2\u5982\u4f55\u67e5\u8a62 SQL \u6d41\u91cf\u5206\u4f48\u53ca QPS\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\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-160319","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160319","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=160319"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160319\/revisions"}],"predecessor-version":[{"id":160320,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160319\/revisions\/160320"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}