{"id":171419,"date":"2024-11-07T02:35:19","date_gmt":"2024-11-06T18:35:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171419\/"},"modified":"2024-11-07T02:35:20","modified_gmt":"2024-11-06T18:35:20","slug":"%e6%b7%ba%e8%ab%87%e6%87%89%e8%a9%b2%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3oracle%e7%9a%84%e6%9e%b6%e6%a7%8b%e7%9f%a5%e8%ad%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171419\/","title":{"rendered":"\u6dfa\u8ac7\u61c9\u8a72\u5982\u4f55\u7406\u89e3Oracle\u7684\u67b6\u69cb\u77e5\u8b58"},"content":{"rendered":"<h1 id=\"%e6%b7%ba%e8%ab%87%e6%87%89%e8%a9%b2%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3oracle%e7%9a%84%e6%9e%b6%e6%a7%8b%e7%9f%a5%e8%ad%98-pMkIZJFDtc\">\u6dfa\u8ac7\u61c9\u8a72\u5982\u4f55\u7406\u89e3Oracle\u7684\u67b6\u69cb\u77e5\u8b58<\/h1>\n<p>Oracle\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\uff0c\u5176\u67b6\u69cb\u8a2d\u8a08\u65e8\u5728\u63d0\u4f9b\u9ad8\u6548\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u7406\u89e3Oracle\u7684\u67b6\u69cb\u77e5\u8b58\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u9019\u6709\u52a9\u65bc\u4ed6\u5011\u66f4\u597d\u5730\u8a2d\u8a08\u3001\u512a\u5316\u548c\u7dad\u8b77\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u7684\u57fa\u672c\u67b6\u69cb\u7d44\u4ef6\u53ca\u5176\u904b\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"oracle%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-pMkIZJFDtc\">Oracle\u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Oracle\u7684\u67b6\u69cb\u53ef\u4ee5\u5206\u70ba\u5169\u500b\u4e3b\u8981\u90e8\u5206\uff1a\u908f\u8f2f\u67b6\u69cb\u548c\u7269\u7406\u67b6\u69cb\u3002<\/p>\n<h3 id=\"%e9%82%8f%e8%bc%af%e6%9e%b6%e6%a7%8b-pMkIZJFDtc\">\u908f\u8f2f\u67b6\u69cb<\/h3>\n<p>\u908f\u8f2f\u67b6\u69cb\u662f\u7528\u4f86\u63cf\u8ff0\u6578\u64da\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u7d44\u7e54\u548c\u5b58\u5132\u7684\u3002Oracle\u7684\u908f\u8f2f\u67b6\u69cb\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u8868\u7a7a\u9593\uff08Tablespace\uff09<\/strong>\uff1a\u8868\u7a7a\u9593\u662fOracle\u6578\u64da\u5eab\u4e2d\u7528\u4f86\u5b58\u5132\u6578\u64da\u7684\u908f\u8f2f\u7d50\u69cb\u3002\u6bcf\u500b\u8868\u7a7a\u9593\u53ef\u4ee5\u5305\u542b\u591a\u500b\u6578\u64da\u6587\u4ef6\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u64f4\u5c55\u3002<\/li>\n<li><strong>\u6578\u64da\u6587\u4ef6\uff08Data File\uff09<\/strong>\uff1a\u6578\u64da\u6587\u4ef6\u662f\u7269\u7406\u6587\u4ef6\uff0c\u5be6\u969b\u5b58\u5132\u5728\u78c1\u789f\u4e0a\u3002\u6bcf\u500b\u6578\u64da\u6587\u4ef6\u90fd\u5c6c\u65bc\u4e00\u500b\u8868\u7a7a\u9593\u3002<\/li>\n<li><strong>\u8868\uff08Table\uff09<\/strong>\uff1a\u8868\u662f\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\uff0c\u6578\u64da\u4ee5\u884c\u548c\u5217\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u8868\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff08Index\uff09<\/strong>\uff1a\u7d22\u5f15\u662f\u7528\u4f86\u52a0\u901f\u67e5\u8a62\u7684\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\u3002\u5b83\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%89%a9%e7%90%86%e6%9e%b6%e6%a7%8b-pMkIZJFDtc\">\u7269\u7406\u67b6\u69cb<\/h3>\n<p>\u7269\u7406\u67b6\u69cb\u5247\u662f\u6307\u6578\u64da\u5728\u78c1\u789f\u4e0a\u7684\u5be6\u969b\u5b58\u5132\u65b9\u5f0f\u3002Oracle\u7684\u7269\u7406\u67b6\u69cb\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u584a\uff08Data Block\uff09<\/strong>\uff1a\u6578\u64da\u584a\u662fOracle\u6578\u64da\u5eab\u4e2d\u6700\u5c0f\u7684\u5b58\u5132\u55ae\u4f4d\u3002\u6bcf\u500b\u6578\u64da\u584a\u901a\u5e38\u5305\u542b\u591a\u884c\u6578\u64da\u3002<\/li>\n<li><strong>\u908f\u8f2f\u884c\uff08Logical Row\uff09<\/strong>\uff1a\u908f\u8f2f\u884c\u662f\u8868\u4e2d\u7684\u4e00\u884c\u6578\u64da\uff0c\u8207\u6578\u64da\u584a\u76f8\u5c0d\u61c9\u3002<\/li>\n<li><strong>\u6bb5\uff08Segment\uff09<\/strong>\uff1a\u6bb5\u662f\u7531\u4e00\u7d44\u6578\u64da\u584a\u7d44\u6210\u7684\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u8868\u6216\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"oracle%e7%9a%84%e9%81%8b%e4%bd%9c%e5%8e%9f%e7%90%86-pMkIZJFDtc\">Oracle\u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<p>Oracle\u7684\u904b\u4f5c\u539f\u7406\u6d89\u53ca\u591a\u500b\u5c64\u9762\uff0c\u5305\u62ec\u5167\u5b58\u7d50\u69cb\u3001\u9032\u7a0b\u548c\u5b58\u5132\u7d50\u69cb\u3002<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e7%b5%90%e6%a7%8b-pMkIZJFDtc\">\u5167\u5b58\u7d50\u69cb<\/h3>\n<p>Oracle\u4f7f\u7528\u4e00\u500b\u7a31\u70ba\u7cfb\u7d71\u5168\u5c40\u5340\uff08SGA\uff09\u7684\u5171\u4eab\u5167\u5b58\u5340\u57df\u4f86\u5b58\u5132\u6578\u64da\u548c\u63a7\u5236\u4fe1\u606f\u3002SGA\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7de9\u885d\u5340\uff08Database Buffer Cache\uff09<\/strong>\uff1a\u7528\u65bc\u7de9\u5b58\u5f9e\u78c1\u789f\u8b80\u53d6\u7684\u6578\u64da\u584a\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u5171\u4eab\u6c60\uff08Shared Pool\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132SQL\u8a9e\u53e5\u548cPL\/SQL\u7a0b\u5e8f\u7684\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<li><strong>\u91cd\u505a\u65e5\u8a8c\u7de9\u885d\u5340\uff08Redo Log Buffer\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6578\u64da\u5eab\u7684\u8b8a\u66f4\u8a18\u9304\uff0c\u4ee5\u4fbf\u5728\u6545\u969c\u6642\u9032\u884c\u6062\u5fa9\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%80%b2%e7%a8%8b-pMkIZJFDtc\">\u9032\u7a0b<\/h3>\n<p>Oracle\u6578\u64da\u5eab\u904b\u884c\u591a\u500b\u9032\u7a0b\uff0c\u5305\u62ec\u4f3a\u670d\u5668\u9032\u7a0b\u548c\u80cc\u666f\u9032\u7a0b\u3002\u4f3a\u670d\u5668\u9032\u7a0b\u8ca0\u8cac\u8655\u7406\u7528\u6236\u8acb\u6c42\uff0c\u800c\u80cc\u666f\u9032\u7a0b\u5247\u8ca0\u8cac\u7dad\u8b77\u6578\u64da\u5eab\u7684\u904b\u884c\uff0c\u4f8b\u5982\u6aa2\u67e5\u9ede\u9032\u7a0b\uff08CKPT\uff09\u548c\u91cd\u505a\u65e5\u8a8c\u9032\u7a0b\uff08LGWR\uff09\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-pMkIZJFDtc\">\u7d50\u8ad6<\/h2>\n<p>\u7406\u89e3Oracle\u7684\u67b6\u69cb\u77e5\u8b58\u5c0d\u65bc\u6709\u6548\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u7cfb\u7d71\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u638c\u63e1\u5176\u908f\u8f2f\u548c\u7269\u7406\u67b6\u69cb\u3001\u5167\u5b58\u7d50\u69cb\u53ca\u904b\u4f5c\u539f\u7406\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u7dad\u8b77\u9ad8\u6548\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6216\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6dfa\u8ac7Oracle\u67b6\u69cb\u77e5\u8b58\u7684\u7406\u89e3\uff0c\u63a2\u8a0e\u5176\u6838\u5fc3\u7d44\u4ef6\u3001\u6578\u64da\u5eab\u7d50\u69cb\u53ca\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u52a9\u60a8\u638c\u63e1Oracle\u6280\u8853\u7cbe\u9ad3\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-171419","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171419","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=171419"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171419\/revisions"}],"predecessor-version":[{"id":171420,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171419\/revisions\/171420"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}