{"id":96214,"date":"2024-10-20T07:33:17","date_gmt":"2024-10-19T23:33:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96214\/"},"modified":"2024-10-20T07:33:17","modified_gmt":"2024-10-19T23:33:17","slug":"oracle%e5%84%aa%e5%8c%96cpu%e7%9a%84%e4%bd%bf%e7%94%a8%e7%8e%87%e7%9a%84%e5%85%b7%e9%ab%94%e8%a1%a8%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96214\/","title":{"rendered":"Oracle\u512a\u5316CPU\u7684\u4f7f\u7528\u7387\u7684\u5177\u9ad4\u8868\u73fe"},"content":{"rendered":"<h1 id=\"oracle%e5%84%aa%e5%8c%96cpu%e7%9a%84%e4%bd%bf%e7%94%a8%e7%8e%87%e7%9a%84%e5%85%b7%e9%ab%94%e8%a1%a8%e7%8f%be-vADcXNtZly\">Oracle\u512a\u5316CPU\u7684\u4f7f\u7528\u7387\u7684\u5177\u9ad4\u8868\u73fe<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u4f01\u696d\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u8981\u6c42\u8d8a\u4f86\u8d8a\u9ad8\u3002Oracle\u4f5c\u70ba\u4e00\u500b\u9818\u5148\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u512a\u5316CPU\u4f7f\u7528\u7387\u7684\u80fd\u529b\u5c0d\u65bc\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u5728CPU\u4f7f\u7528\u7387\u512a\u5316\u65b9\u9762\u7684\u5177\u9ad4\u8868\u73fe\u53ca\u5176\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"cpu%e4%bd%bf%e7%94%a8%e7%8e%87%e7%9a%84%e6%a6%82%e5%bf%b5-vADcXNtZly\">CPU\u4f7f\u7528\u7387\u7684\u6982\u5ff5<\/h2>\n<p>CPU\u4f7f\u7528\u7387\u662f\u6307CPU\u5728\u7279\u5b9a\u6642\u9593\u5167\u8655\u7406\u4efb\u52d9\u7684\u80fd\u529b\uff0c\u901a\u5e38\u4ee5\u767e\u5206\u6bd4\u8868\u793a\u3002\u9ad8CPU\u4f7f\u7528\u7387\u53ef\u80fd\u610f\u5473\u8457\u7cfb\u7d71\u8ca0\u8f09\u904e\u91cd\uff0c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff1b\u800c\u4f4eCPU\u4f7f\u7528\u7387\u5247\u53ef\u80fd\u8868\u793a\u8cc7\u6e90\u672a\u88ab\u5145\u5206\u5229\u7528\u3002\u56e0\u6b64\uff0c\u512a\u5316CPU\u4f7f\u7528\u7387\u662f\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"oracle%e7%9a%84cpu%e5%84%aa%e5%8c%96%e6%8a%80%e8%a1%93-vADcXNtZly\">Oracle\u7684CPU\u512a\u5316\u6280\u8853<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u6280\u8853\u4f86\u512a\u5316CPU\u7684\u4f7f\u7528\u7387\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u4e3b\u8981\u7684\u6280\u8853\uff1a<\/p>\n<ul>\n<li><strong>SQL\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u901a\u904e\u5206\u6790\u548c\u91cd\u5bebSQL\u67e5\u8a62\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548c\u6578\u64da\u6aa2\u7d22\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u5f9e\u800c\u964d\u4f4eCPU\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u4e26\u884c\u8655\u7406\uff1a<\/strong>Oracle\u652f\u6301\u4e26\u884c\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\uff0c\u9019\u610f\u5473\u8457\u53ef\u4ee5\u540c\u6642\u4f7f\u7528\u591a\u500bCPU\u6838\u5fc3\u4f86\u8655\u7406\u8acb\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8ca0\u8f09\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>Oracle\u7684\u8cc7\u6e90\u7ba1\u7406\u5668\u5141\u8a31\u7528\u6236\u5b9a\u7fa9\u8cc7\u6e90\u5206\u914d\u7b56\u7565\uff0c\u78ba\u4fdd\u95dc\u9375\u4efb\u52d9\u7372\u5f97\u8db3\u5920\u7684CPU\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u8cc7\u6e90\u7af6\u722d\u5c0e\u81f4\u7684\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u81ea\u52d5\u5316\u8abf\u6574\uff1a<\/strong>Oracle\u7684\u81ea\u52d5\u6578\u64da\u5eab\u8a3a\u65b7\u5de5\u5177\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7CPU\u4f7f\u7528\u7387\uff0c\u4e26\u6839\u64da\u8ca0\u8f09\u81ea\u52d5\u8abf\u6574\u914d\u7f6e\uff0c\u5f9e\u800c\u5be6\u73fe\u6700\u4f73\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%85%b7%e9%ab%94%e5%af%a6%e7%8f%be%e6%a1%88%e4%be%8b-vADcXNtZly\">\u5177\u9ad4\u5be6\u73fe\u6848\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5177\u9ad4\u7684\u6848\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u901a\u904eOracle\u7684\u512a\u5316\u6280\u8853\u4f86\u6539\u5584CPU\u4f7f\u7528\u7387\uff1a<\/p>\n<pre><code>-- \u5047\u8a2d\u6709\u4e00\u500b\u67e5\u8a62\u9700\u8981\u5f9e\u5927\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\nSELECT * FROM large_table WHERE condition;\n\n-- \u901a\u904e\u6dfb\u52a0\u7d22\u5f15\u4f86\u512a\u5316\u67e5\u8a62\nCREATE INDEX idx_condition ON large_table(condition);\n\n-- \u4f7f\u7528\u4e26\u884c\u67e5\u8a62\nALTER SESSION ENABLE PARALLEL DML;\nSELECT \/*+ PARALLEL(large_table, 4) *\/ * FROM large_table WHERE condition;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u901a\u904e\u6dfb\u52a0\u7d22\u5f15\u548c\u4f7f\u7528\u4e26\u884c\u67e5\u8a62\uff0c\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u986f\u8457\u7e2e\u77ed\uff0c\u5f9e\u800c\u964d\u4f4e\u4e86CPU\u7684\u4f7f\u7528\u7387\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4cpu%e4%bd%bf%e7%94%a8%e7%8e%87-vADcXNtZly\">\u76e3\u63a7\u548c\u8abf\u6574CPU\u4f7f\u7528\u7387<\/h2>\n<p>\u70ba\u4e86\u6301\u7e8c\u512a\u5316CPU\u4f7f\u7528\u7387\uff0c\u4f01\u696d\u9700\u8981\u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u9032\u884c\u6027\u80fd\u76e3\u63a7\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>AWR\u5831\u544a\uff1a<\/strong>\u81ea\u52d5\u5de5\u4f5c\u8ca0\u8f09\u5831\u544a\uff08AWR\uff09\u63d0\u4f9b\u4e86\u7cfb\u7d71\u6027\u80fd\u7684\u8a73\u7d30\u6578\u64da\uff0c\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>ASH\u5831\u544a\uff1a<\/strong>\u6d3b\u52d5\u6703\u8a71\u6b77\u53f2\uff08ASH\uff09\u5831\u544a\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7\u7576\u524d\u7684\u6703\u8a71\u6d3b\u52d5\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>SQL\u8ddf\u8e2a\uff1a<\/strong>\u901a\u904eSQL\u8ddf\u8e2a\u529f\u80fd\uff0c\u7528\u6236\u53ef\u4ee5\u7372\u53d6\u7279\u5b9a\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\u548c\u6027\u80fd\u6578\u64da\uff0c\u9032\u4e00\u6b65\u512a\u5316\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-vADcXNtZly\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cOracle\u5728\u512a\u5316CPU\u4f7f\u7528\u7387\u65b9\u9762\u63d0\u4f9b\u4e86\u591a\u7a2e\u6709\u6548\u7684\u6280\u8853\u548c\u5de5\u5177\u3002\u901a\u904e\u5408\u7406\u7684SQL\u67e5\u8a62\u512a\u5316\u3001\u4e26\u884c\u8655\u7406\u3001\u8cc7\u6e90\u7ba1\u7406\u548c\u81ea\u52d5\u5316\u8abf\u6574\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u964d\u4f4eCPU\u8ca0\u64d4\u3002\u6301\u7e8c\u7684\u6027\u80fd\u76e3\u63a7\u548c\u8abf\u6574\u4e5f\u662f\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684Oracle\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u5982\u4f55\u512a\u5316CPU\u4f7f\u7528\u7387\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u8207\u8cc7\u6e90\u7ba1\u7406\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-96214","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96214","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=96214"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96214\/revisions"}],"predecessor-version":[{"id":96215,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96214\/revisions\/96215"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}