{"id":192090,"date":"2024-11-12T17:52:20","date_gmt":"2024-11-12T09:52:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192090\/"},"modified":"2024-11-12T17:52:21","modified_gmt":"2024-11-12T09:52:21","slug":"%e8%a9%b3%e8%ab%87oracle%e5%84%aa%e5%8c%96cpu%e4%bd%bf%e7%94%a8%e7%8e%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192090\/","title":{"rendered":"\u8a73\u8ac7Oracle\u512a\u5316CPU\u4f7f\u7528\u7387"},"content":{"rendered":"<h1 id=\"%e8%a9%b3%e8%ab%87oracle%e5%84%aa%e5%8c%96cpu%e4%bd%bf%e7%94%a8%e7%8e%87-yFKuAgbIMY\">\u8a73\u8ac7Oracle\u512a\u5316CPU\u4f7f\u7528\u7387<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u4f01\u696d\u8d8a\u4f86\u8d8a\u4f9d\u8cf4\u65bc\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4f86\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u3002Oracle\u4f5c\u70ba\u4e00\u500b\u9818\u5148\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u6027\u80fd\u512a\u5316\u5c0d\u65bc\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u9ad8\u6548\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662fCPU\u4f7f\u7528\u7387\u7684\u512a\u5316\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u512a\u5316Oracle\u6578\u64da\u5eab\u7684CPU\u4f7f\u7528\u7387\u3002<\/p>\n<h2 id=\"%e4%ba%86%e8%a7%a3cpu%e4%bd%bf%e7%94%a8%e7%8e%87-yFKuAgbIMY\">\u4e86\u89e3CPU\u4f7f\u7528\u7387<\/h2>\n<p>CPU\u4f7f\u7528\u7387\u662f\u6307CPU\u5728\u7279\u5b9a\u6642\u9593\u5167\u8655\u7406\u4efb\u52d9\u7684\u80fd\u529b\u3002\u9ad8CPU\u4f7f\u7528\u7387\u53ef\u80fd\u610f\u5473\u8457\u7cfb\u7d71\u6b63\u5728\u9ad8\u6548\u904b\u884c\uff0c\u4f46\u904e\u9ad8\u7684\u4f7f\u7528\u7387\u5247\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u6642\u9593\u3002\u4e86\u89e3CPU\u4f7f\u7528\u7387\u7684\u57fa\u672c\u6982\u5ff5\u662f\u512a\u5316\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7cpu%e4%bd%bf%e7%94%a8%e7%8e%87-yFKuAgbIMY\">\u76e3\u63a7CPU\u4f7f\u7528\u7387<\/h2>\n<p>\u5728\u9032\u884c\u512a\u5316\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u76e3\u63a7CPU\u7684\u4f7f\u7528\u60c5\u6cc1\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u76e3\u63a7\u6027\u80fd\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>Oracle Enterprise Manager<\/strong>\uff1a\u9019\u662f\u4e00\u500b\u5f37\u5927\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u5be6\u6642\u67e5\u770bCPU\u4f7f\u7528\u7387\u548c\u5176\u4ed6\u6027\u80fd\u6307\u6a19\u3002<\/li>\n<li><strong>V$SESSION\u8996\u5716<\/strong>\uff1a\u901a\u904e\u67e5\u8a62\u6b64\u8996\u5716\uff0c\u53ef\u4ee5\u7372\u5f97\u7576\u524d\u6703\u8a71\u7684CPU\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<li><strong>TOP\u547d\u4ee4<\/strong>\uff1a\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u4f7f\u7528TOP\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u9032\u7a0b\u7684CPU\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-yFKuAgbIMY\">\u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h2>\n<p>\u67e5\u8a62\u6027\u80fd\u662f\u5f71\u97ffCPU\u4f7f\u7528\u7387\u7684\u4e3b\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u6027\u80fd\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15<\/strong>\uff1a\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u6e1b\u5c11\u5168\u8868\u6383\u63cf\u7684\u6b21\u6578\u3002<\/li>\n<li><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97<\/strong>\uff1a\u5728\u67e5\u8a62\u4e2d\u907f\u514d\u4f7f\u7528\u904e\u591a\u7684\u8a08\u7b97\uff0c\u9019\u6703\u589e\u52a0CPU\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u4f7f\u7528EXPLAIN PLAN<\/strong>\uff1a\u901a\u904eEXPLAIN PLAN\u547d\u4ee4\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<pre><code>EXPLAIN PLAN FOR\nSELECT * FROM employees WHERE department_id = 10;<\/code><\/pre>\n<h2 id=\"%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-yFKuAgbIMY\">\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u5c0d\u65bcCPU\u4f7f\u7528\u7387\u7684\u5f71\u97ff\u4e5f\u4e0d\u5bb9\u5ffd\u8996\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574SGA\u548cPGA\u5927\u5c0f<\/strong>\uff1a\u6839\u64da\u7cfb\u7d71\u7684\u9700\u6c42\u8abf\u6574\u7cfb\u7d71\u5168\u5c40\u5340\uff08SGA\uff09\u548c\u7a0b\u5e8f\u5168\u5c40\u5340\uff08PGA\uff09\u7684\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u9069\u7576\u7684\u4e26\u884c\u5ea6<\/strong>\uff1a\u6839\u64da\u786c\u4ef6\u914d\u7f6e\u8a2d\u7f6e\u9069\u7576\u7684\u4e26\u884c\u5ea6\uff0c\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u512a\u52e2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-yFKuAgbIMY\">\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u6709\u6548\u964d\u4f4eCPU\u4f7f\u7528\u7387\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u7d22\u5f15<\/strong>\uff1a\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9ad8\u6548\uff0c\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f<\/strong>\uff1a\u78ba\u4fdd\u7d71\u8a08\u4fe1\u606f\u662f\u6700\u65b0\u7684\uff0c\u4ee5\u4fbf\u512a\u5316\u5668\u80fd\u5920\u751f\u6210\u6700\u4f73\u7684\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-yFKuAgbIMY\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316Oracle\u6578\u64da\u5eab\u7684CPU\u4f7f\u7528\u7387\u662f\u4e00\u500b\u591a\u65b9\u9762\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u67e5\u8a62\u6027\u80fd\u3001\u6578\u64da\u5eab\u914d\u7f6e\u548c\u5b9a\u671f\u7dad\u8b77\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u6709\u6548\u7684\u76e3\u63a7\u548c\u512a\u5316\u63aa\u65bd\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u696d\u52d9\u904b\u71df\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6e90\u7684\u6700\u4f73\u5229\u7528\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u7684CPU\u4f7f\u7528\u7387\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u5be6\u73fe\u8cc7\u6e90\u7684\u6700\u4f73\u914d\u7f6e\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-192090","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192090","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=192090"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192090\/revisions"}],"predecessor-version":[{"id":192091,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192090\/revisions\/192091"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=192090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=192090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=192090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}