{"id":154565,"date":"2024-11-02T16:52:19","date_gmt":"2024-11-02T08:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154565\/"},"modified":"2024-11-02T16:52:20","modified_gmt":"2024-11-02T08:52:20","slug":"%e5%b0%8d-oracle-%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154565\/","title":{"rendered":"\u5c0d Oracle \u6027\u80fd\u8abf\u512a\u7684\u57fa\u672c\u65b9\u6848"},"content":{"rendered":"<h1 id=\"%e5%b0%8d-oracle-%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%a1%88-aeIxWUxQDi\">\u5c0d Oracle \u6027\u80fd\u8abf\u512a\u7684\u57fa\u672c\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002Oracle \u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u5c0d Oracle \u6578\u64da\u5eab\u7684\u6027\u80fd\u8abf\u512a\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u57fa\u672c\u7684 Oracle \u6027\u80fd\u8abf\u512a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"1-%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90%e7%9a%84%e5%84%aa%e5%8c%96-aeIxWUxQDi\">1. \u786c\u9ad4\u8cc7\u6e90\u7684\u512a\u5316<\/h2>\n<p>\u6027\u80fd\u8abf\u512a\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u4fdd\u786c\u9ad4\u8cc7\u6e90\u7684\u5145\u8db3\u3002\u9019\u5305\u62ec CPU\u3001\u5167\u5b58\u548c\u5b58\u5132\u8a2d\u5099\u7684\u9078\u64c7\u548c\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>CPU\uff1a<\/strong>\u9078\u64c7\u591a\u6838\u8655\u7406\u5668\u4ee5\u63d0\u9ad8\u4e26\u884c\u8655\u7406\u80fd\u529b\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<li><strong>\u5167\u5b58\uff1a<\/strong>\u589e\u52a0\u5167\u5b58\u5bb9\u91cf\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789f I\/O \u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002Oracle \u6578\u64da\u5eab\u7684 SGA\uff08System Global Area\uff09\u548c PGA\uff08Program Global Area\uff09\u914d\u7f6e\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u5b58\u5132\uff1a<\/strong>\u4f7f\u7528 SSD\uff08\u56fa\u614b\u786c\u789f\uff09\u4f86\u63d0\u9ad8\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\uff0c\u4e26\u8003\u616e RAID \u914d\u7f6e\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae%e7%9a%84%e8%aa%bf%e6%95%b4-aeIxWUxQDi\">2. \u6578\u64da\u5eab\u914d\u7f6e\u7684\u8abf\u6574<\/h2>\n<p>Oracle \u6578\u64da\u5eab\u7684\u914d\u7f6e\u5c0d\u6027\u80fd\u6709\u8457\u76f4\u63a5\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u7684\u914d\u7f6e\u9805\u76ee\uff1a<\/p>\n<ul>\n<li><strong>\u521d\u59cb\u5316\u53c3\u6578\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u8abf\u6574\u521d\u59cb\u5316\u53c3\u6578\uff0c\u5982 <code>DB_CACHE_SIZE<\/code>\u3001<code>SHARED_POOL_SIZE<\/code> \u548c <code>PGA_AGGREGATE_TARGET<\/code>\u3002<\/li>\n<li><strong>\u8868\u7a7a\u9593\u7ba1\u7406\uff1a<\/strong>\u5408\u7406\u5283\u5206\u8868\u7a7a\u9593\uff0c\u907f\u514d\u8868\u7a7a\u9593\u904e\u5ea6\u64c1\u64e0\uff0c\u4e26\u5b9a\u671f\u9032\u884c\u788e\u7247\u6574\u7406\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u6839\u64da\u67e5\u8a62\u9700\u6c42\u5275\u5efa\u5408\u9069\u7684\u7d22\u5f15\uff0c\u4e26\u5b9a\u671f\u91cd\u5efa\u6216\u6536\u96c6\u7d71\u8a08\u4fe1\u606f\u4ee5\u4fdd\u6301\u7d22\u5f15\u7684\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"3-sql-%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%84%aa%e5%8c%96-aeIxWUxQDi\">3. SQL \u67e5\u8a62\u7684\u512a\u5316<\/h2>\n<p>SQL \u67e5\u8a62\u7684\u6027\u80fd\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u500b\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316 SQL \u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u57f7\u884c\u8a08\u5283\uff1a<\/strong>\u901a\u904e <code>EXPLAIN PLAN<\/code> \u547d\u4ee4\u5206\u6790 SQL \u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u907f\u514d\u5168\u8868\u6383\u63cf\uff1a<\/strong>\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\uff0c\u4e26\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u62c6\u5206\u70ba\u591a\u500b\u7c21\u55ae\u67e5\u8a62\uff0c\u4e26\u4f7f\u7528\u81e8\u6642\u8868\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e6%95%b4-aeIxWUxQDi\">4. \u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n<p>\u6301\u7e8c\u7684\u76e3\u63a7\u662f\u6027\u80fd\u8abf\u512a\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u4f7f\u7528 Oracle \u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982 AWR\uff08Automatic Workload Repository\uff09\u548c ASH\uff08Active Session History\uff09\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5eab\u7684\u6027\u80fd\u72c0\u6cc1\uff0c\u4e26\u53ca\u6642\u9032\u884c\u8abf\u6574\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u751f\u6210\u5831\u544a\uff1a<\/strong>\u901a\u904e AWR \u751f\u6210\u6027\u80fd\u5831\u544a\uff0c\u5206\u6790\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u548c\u6027\u80fd\u8da8\u52e2\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8cc7\u6e90\u4f7f\u7528\uff1a<\/strong>\u4f7f\u7528 Oracle Enterprise Manager \u76e3\u63a7 CPU\u3001\u5167\u5b58\u548c I\/O \u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aeIxWUxQDi\">\u7e3d\u7d50<\/h2>\n<p>\u5c0d Oracle \u6578\u64da\u5eab\u7684\u6027\u80fd\u8abf\u512a\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u786c\u9ad4\u8cc7\u6e90\u7684\u512a\u5316\u3001\u6578\u64da\u5eab\u914d\u7f6e\u7684\u8abf\u6574\u3001SQL \u67e5\u8a62\u7684\u512a\u5316\u4ee5\u53ca\u6301\u7e8c\u7684\u76e3\u63a7\u8207\u8abf\u6574\u3002\u901a\u904e\u9019\u4e9b\u57fa\u672c\u65b9\u6848\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u652f\u6301\u696d\u52d9\u7684\u589e\u9577\u548c\u767c\u5c55\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/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>\u63a2\u7d22 Oracle \u6027\u80fd\u8abf\u512a\u7684\u57fa\u672c\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u901f\u5ea6\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-154565","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154565","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=154565"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154565\/revisions"}],"predecessor-version":[{"id":154566,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154565\/revisions\/154566"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}