{"id":95426,"date":"2024-10-20T00:57:20","date_gmt":"2024-10-19T16:57:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95426\/"},"modified":"2024-10-20T00:57:20","modified_gmt":"2024-10-19T16:57:20","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8%ef%bc%9f-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95426\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\uff0c\u5982\u4f55\u512a\u5316\u53c3\u6578\uff1f (Oracle \u6578\u64da\u5eab\u53c3\u6578\u512a\u5316)"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e5%8f%83%e6%95%b8%ef%bc%9f-CBfeZqAdAN\">Oracle\u6578\u64da\u5eab\uff0c\u5982\u4f55\u512a\u5316\u53c3\u6578\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cOracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\uff0c\u512a\u5316\u5176\u53c3\u6578\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u512a\u5316Oracle\u6578\u64da\u5eab\u7684\u53c3\u6578\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8%ef%bc%9f-CBfeZqAdAN\">\u4ec0\u9ebc\u662fOracle\u6578\u64da\u5eab\u53c3\u6578\uff1f<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u53c3\u6578\u662f\u7528\u65bc\u63a7\u5236\u6578\u64da\u5eab\u884c\u70ba\u7684\u8a2d\u7f6e\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3001\u8cc7\u6e90\u4f7f\u7528\u548c\u5b89\u5168\u6027\u3002\u53c3\u6578\u5206\u70ba\u5169\u985e\uff1a\u975c\u614b\u53c3\u6578\u548c\u52d5\u614b\u53c3\u6578\u3002\u975c\u614b\u53c3\u6578\u5728\u6578\u64da\u5eab\u555f\u52d5\u6642\u8a2d\u7f6e\uff0c\u800c\u52d5\u614b\u53c3\u6578\u5247\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u904b\u884c\u6642\u9032\u884c\u4fee\u6539\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8%e7%9a%84%e6%ad%a5%e9%a9%9f-CBfeZqAdAN\">\u512a\u5316Oracle\u6578\u64da\u5eab\u53c3\u6578\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e6%80%a7%e8%83%bd%e7%93%b6%e9%a0%b8-CBfeZqAdAN\">1. \u78ba\u5b9a\u6027\u80fd\u74f6\u9838<\/h3>\n<p>\u5728\u9032\u884c\u53c3\u6578\u512a\u5316\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u6578\u64da\u5eab\u7684\u6027\u80fd\u74f6\u9838\u3002\u53ef\u4ee5\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982AWR\uff08Automatic Workload Repository\uff09\u5831\u544a\u548cASH\uff08Active Session History\uff09\u5831\u544a\uff0c\u4f86\u5206\u6790\u6578\u64da\u5eab\u7684\u6027\u80fd\u554f\u984c\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e5%8f%83%e6%95%b8-CBfeZqAdAN\">2. \u8abf\u6574\u5167\u5b58\u53c3\u6578<\/h3>\n<p>\u5167\u5b58\u662f\u5f71\u97ffOracle\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u8981\u7684\u5167\u5b58\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>SGA_TARGET<\/code>\uff1a\u9019\u662f\u7cfb\u7d71\u5168\u5c40\u5340\u7684\u76ee\u6a19\u5927\u5c0f\uff0c\u61c9\u6839\u64da\u7cfb\u7d71\u7684\u53ef\u7528\u5167\u5b58\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><code>PGA_AGGREGATE_TARGET<\/code>\uff1a\u9019\u662f\u7a0b\u5e8f\u5168\u5c40\u5340\u7684\u76ee\u6a19\u5927\u5c0f\uff0c\u5f71\u97ff\u6392\u5e8f\u548c\u54c8\u5e0c\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u5efa\u8b70\u6839\u64da\u5be6\u969b\u5de5\u4f5c\u8ca0\u8f09\u9032\u884c\u8abf\u6574\uff0c\u4e26\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96i-o%e5%8f%83%e6%95%b8-CBfeZqAdAN\">3. \u512a\u5316I\/O\u53c3\u6578<\/h3>\n<p>I\/O\u6027\u80fd\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>DB_FILE_MULTIBLOCK_READ_COUNT<\/code>\uff1a\u9019\u500b\u53c3\u6578\u63a7\u5236\u6bcf\u6b21I\/O\u64cd\u4f5c\u4e2d\u8b80\u53d6\u7684\u6578\u64da\u584a\u6578\u91cf\uff0c\u61c9\u6839\u64da\u78c1\u789f\u6027\u80fd\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><code>LOG_BUFFER<\/code>\uff1a\u9019\u662f\u65e5\u8a8c\u7de9\u885d\u5340\u7684\u5927\u5c0f\uff0c\u61c9\u6839\u64da\u4e8b\u52d9\u7684\u983b\u7387\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<p>\u901a\u904e\u512a\u5316\u9019\u4e9b\u53c3\u6578\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684I\/O\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e8%aa%bf%e6%95%b4%e4%b8%a6%e7%99%bc%e5%8f%83%e6%95%b8-CBfeZqAdAN\">4. \u8abf\u6574\u4e26\u767c\u53c3\u6578<\/h3>\n<p>\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u4e26\u767c\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9700\u8981\u8003\u616e\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>SESSION_CACHED_CURSORS<\/code>\uff1a\u9019\u500b\u53c3\u6578\u63a7\u5236\u6703\u8a71\u4e2d\u7de9\u5b58\u7684\u6e38\u6a19\u6578\u91cf\uff0c\u9069\u7576\u589e\u52a0\u53ef\u4ee5\u6e1b\u5c11\u6e38\u6a19\u7684\u958b\u95dc\u958b\u92b7\u3002<\/li>\n<li><code>OPEN_CURSORS<\/code>\uff1a\u9019\u662f\u6bcf\u500b\u6703\u8a71\u53ef\u4ee5\u6253\u958b\u7684\u6700\u5927\u6e38\u6a19\u6578\u91cf\uff0c\u61c9\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h3 id=\"5-%e5%ae%9a%e6%9c%9f%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-CBfeZqAdAN\">5. \u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u6574<\/h3>\n<p>\u512a\u5316\u53c3\u6578\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u4efb\u52d9\uff0c\u800c\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\u3002\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u53c3\u6578\uff0c\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u5eab\u59cb\u7d42\u4fdd\u6301\u6700\u4f73\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-CBfeZqAdAN\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316Oracle\u6578\u64da\u5eab\u53c3\u6578\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u548c\u6301\u7e8c\u6027\u7684\u5de5\u4f5c\uff0c\u901a\u904e\u6b63\u78ba\u7684\u5206\u6790\u548c\u8abf\u6574\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u5167\u5b58\u3001I\/O\u9084\u662f\u4e26\u767c\u53c3\u6578\uff0c\u5408\u7406\u7684\u8a2d\u7f6e\u90fd\u80fd\u70ba\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u63d0\u4f9b\u4fdd\u969c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u6578\u64da\u5eab\u53c3\u6578\u512a\u5316\u7684\u6280\u5de7\u8207\u7b56\u7565\uff0c\u63d0\u5347\u6027\u80fd\u8207\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-95426","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95426","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=95426"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95426\/revisions"}],"predecessor-version":[{"id":95427,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95426\/revisions\/95427"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}