{"id":182574,"date":"2024-11-09T23:35:20","date_gmt":"2024-11-09T15:35:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182574\/"},"modified":"2024-11-09T23:35:21","modified_gmt":"2024-11-09T15:35:21","slug":"%e8%ad%98%e5%88%a5%e4%bd%94%e7%94%a8%e8%b3%87%e6%ba%90%e8%bc%83%e5%a4%9a%e7%9a%84oracle%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182574\/","title":{"rendered":"\u8b58\u5225\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684Oracle\u8a9e\u53e5\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e8%ad%98%e5%88%a5%e4%bd%94%e7%94%a8%e8%b3%87%e6%ba%90%e8%bc%83%e5%a4%9a%e7%9a%84oracle%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%96%b9%e6%b3%95-dHVjbSDLvB\">\u8b58\u5225\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684Oracle\u8a9e\u53e5\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6027\u80fd\u512a\u5316\u662f\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u7d93\u5e38\u9762\u81e8\u8457\u8cc7\u6e90\u4f54\u7528\u904e\u9ad8\u7684\u554f\u984c\u3002\u8b58\u5225\u90a3\u4e9b\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684SQL\u8a9e\u53e5\uff0c\u5c0d\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u8b58\u5225\u9019\u4e9b\u9ad8\u8cc7\u6e90\u4f54\u7528\u7684Oracle\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8oracle%e7%9a%84%e8%87%aa%e5%8b%95%e5%b7%a5%e4%bd%9c%e8%b2%a0%e8%bc%89%e5%ba%ab%ef%bc%88awr%ef%bc%89%e5%a0%b1%e5%91%8a-dHVjbSDLvB\">1. \u4f7f\u7528Oracle\u7684\u81ea\u52d5\u5de5\u4f5c\u8ca0\u8f09\u5eab\uff08AWR\uff09\u5831\u544a<\/h2>\n<p>Oracle\u7684\u81ea\u52d5\u5de5\u4f5c\u8ca0\u8f09\u5eab\uff08AWR\uff09\u5831\u544a\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9DBA\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002AWR\u5831\u544a\u63d0\u4f9b\u4e86\u7cfb\u7d71\u5728\u7279\u5b9a\u6642\u9593\u6bb5\u5167\u7684\u6027\u80fd\u6578\u64da\uff0c\u5305\u62ecSQL\u8a9e\u53e5\u7684\u57f7\u884c\u8a08\u5283\u3001\u57f7\u884c\u6b21\u6578\u3001CPU\u6642\u9593\u548c\u78c1\u789fI\/O\u7b49\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>\u751f\u6210AWR\u5831\u544a\u7684\u57fa\u672c\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<pre><code>SQL&gt; @?\/rdbms\/admin\/awrrpt.sql<\/code><\/pre>\n<p>\u901a\u904e\u5206\u6790AWR\u5831\u544a\u4e2d\u7684\u201cSQL ordered by CPU time\u201d\u6216\u201cSQL ordered by Elapsed Time\u201d\u90e8\u5206\uff0c\u53ef\u4ee5\u5feb\u901f\u8b58\u5225\u51fa\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684SQL\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8sql%e8%b7%9f%e8%b8%aa%e5%92%8ctkprof%e5%b7%a5%e5%85%b7-dHVjbSDLvB\">2. \u4f7f\u7528SQL\u8ddf\u8e2a\u548cTKPROF\u5de5\u5177<\/h2>\n<p>SQL\u8ddf\u8e2a\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u8a3a\u65b7\u5de5\u5177\uff0c\u53ef\u4ee5\u6355\u7372SQL\u8a9e\u53e5\u7684\u57f7\u884c\u904e\u7a0b\u3002\u555f\u7528SQL\u8ddf\u8e2a\u5f8c\uff0cOracle\u6703\u751f\u6210\u4e00\u500b\u8ddf\u8e2a\u6587\u4ef6\uff0c\u8a72\u6587\u4ef6\u5305\u542b\u4e86\u57f7\u884c\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u4f7f\u7528TKPROF\u5de5\u5177\u53ef\u4ee5\u5c07\u9019\u4e9b\u8ddf\u8e2a\u6587\u4ef6\u8f49\u63db\u70ba\u53ef\u8b80\u7684\u5831\u544a\u3002<\/p>\n<ul>\n<li>\u555f\u7528SQL\u8ddf\u8e2a\u7684\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n<pre><code>ALTER SESSION SET SQL_TRACE = TRUE;<\/code><\/pre>\n<ul>\n<li>\u751f\u6210TKPROF\u5831\u544a\u7684\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n<pre><code>tkprof tracefile.trc outputfile.prf<\/code><\/pre>\n<p>\u901a\u904e\u5206\u6790TKPROF\u5831\u544a\uff0c\u53ef\u4ee5\u8b58\u5225\u51fa\u57f7\u884c\u6642\u9593\u9577\u3001CPU\u4f7f\u7528\u7387\u9ad8\u7684SQL\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8vsql%e8%a6%96%e5%9c%96-dHVjbSDLvB\">3. \u4f7f\u7528V$SQL\u8996\u5716<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86V$SQL\u8996\u5716\uff0c\u8a72\u8996\u5716\u5305\u542b\u4e86\u7576\u524d\u57f7\u884c\u7684\u6240\u6709SQL\u8a9e\u53e5\u7684\u6027\u80fd\u7d71\u8a08\u4fe1\u606f\u3002\u901a\u904e\u67e5\u8a62V$SQL\u8996\u5716\uff0c\u53ef\u4ee5\u7372\u5f97\u6bcf\u500bSQL\u8a9e\u53e5\u7684\u57f7\u884c\u8a08\u5283\u3001\u57f7\u884c\u6b21\u6578\u3001CPU\u6642\u9593\u548c\u908f\u8f2f\u8b80\u53d6\u7b49\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>\u67e5\u8a62V$SQL\u8996\u5716\u7684\u793a\u4f8b\uff1a<\/li>\n<\/ul>\n<pre><code>SELECT sql_text, executions, cpu_time, elapsed_time, disk_reads\nFROM v$sql\nORDER BY cpu_time DESC\nFETCH FIRST 10 ROWS ONLY;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u4f54\u7528CPU\u6642\u9593\u6700\u591a\u7684\u524d\u5341\u689dSQL\u8a9e\u53e5\uff0c\u5e6b\u52a9DBA\u5feb\u901f\u5b9a\u4f4d\u6027\u80fd\u554f\u984c\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8oracle-enterprise-manager-dHVjbSDLvB\">4. \u4f7f\u7528Oracle Enterprise Manager<\/h2>\n<p>Oracle Enterprise Manager\uff08OEM\uff09\u662f\u4e00\u500b\u5716\u5f62\u5316\u7684\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9DBA\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u3002\u901a\u904eOEM\uff0cDBA\u53ef\u4ee5\u8f15\u9b06\u67e5\u770b\u7576\u524d\u57f7\u884c\u7684SQL\u8a9e\u53e5\u53ca\u5176\u6027\u80fd\u6307\u6a19\uff0c\u4e26\u80fd\u5920\u9032\u884c\u9032\u4e00\u6b65\u7684\u5206\u6790\u548c\u512a\u5316\u3002<\/p>\n<h2 id=\"5-%e5%af%a6%e6%96%bdsql%e5%84%aa%e5%8c%96-dHVjbSDLvB\">5. \u5be6\u65bdSQL\u512a\u5316<\/h2>\n<p>\u8b58\u5225\u51fa\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684SQL\u8a9e\u53e5\u5f8c\uff0c\u4e0b\u4e00\u6b65\u662f\u9032\u884c\u512a\u5316\u3002\u5e38\u898b\u7684\u512a\u5316\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6aa2\u67e5\u57f7\u884c\u8a08\u5283\uff0c\u78ba\u4fdd\u4f7f\u7528\u4e86\u6700\u4f73\u7684\u7d22\u5f15\u3002<\/li>\n<li>\u91cd\u5bebSQL\u8a9e\u53e5\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548c\u6578\u64da\u8a2a\u554f\u3002<\/li>\n<li>\u4f7f\u7528\u5206\u5340\u8868\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dHVjbSDLvB\">\u7e3d\u7d50<\/h2>\n<p>\u8b58\u5225\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684Oracle\u8a9e\u53e5\u662f\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528AWR\u5831\u544a\u3001SQL\u8ddf\u8e2a\u3001V$SQL\u8996\u5716\u548cOracle Enterprise Manager\u7b49\u5de5\u5177\uff0cDBA\u53ef\u4ee5\u6709\u6548\u5730\u627e\u5230\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u512a\u5316\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u8b58\u5225\u4f54\u7528\u8cc7\u6e90\u8f03\u591a\u7684Oracle\u8a9e\u53e5\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-182574","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182574","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=182574"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182574\/revisions"}],"predecessor-version":[{"id":182575,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182574\/revisions\/182575"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}