{"id":94098,"date":"2024-10-19T18:34:20","date_gmt":"2024-10-19T10:34:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94098\/"},"modified":"2024-10-19T18:34:21","modified_gmt":"2024-10-19T10:34:21","slug":"oracle-rac%e6%80%a7%e8%83%bd%e8%aa%bf%e6%95%b4%e7%9a%84%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94098\/","title":{"rendered":"Oracle RAC\u6027\u80fd\u8abf\u6574\u7684\u65b9\u6848\u7c21\u4ecb"},"content":{"rendered":"<h1 id=\"oracle-rac%e6%80%a7%e8%83%bd%e8%aa%bf%e6%95%b4%e7%9a%84%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b-wCKGOOTDBW\">Oracle RAC\u6027\u80fd\u8abf\u6574\u7684\u65b9\u6848\u7c21\u4ecb<\/h1>\n<p>Oracle Real Application Clusters (RAC) \u662f\u4e00\u7a2e\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e0a\u904b\u884c Oracle \u6578\u64da\u5eab\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u589e\u9577\uff0c\u5c0d\u65bc\u6027\u80fd\u7684\u8981\u6c42\u4e5f\u96a8\u4e4b\u63d0\u9ad8\uff0c\u56e0\u6b64\u9032\u884c\u6027\u80fd\u8abf\u6574\u662f\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b Oracle RAC \u6027\u80fd\u8abf\u6574\u7684\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u512a\u5316\u5176\u6578\u64da\u5eab\u74b0\u5883\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-wCKGOOTDBW\">1. \u786c\u9ad4\u8cc7\u6e90\u7684\u512a\u5316<\/h2>\n<p>\u5728\u9032\u884c Oracle RAC \u6027\u80fd\u8abf\u6574\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u786c\u9ad4\u8cc7\u6e90\u7684\u5145\u8db3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>CPU\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b\u7bc0\u9ede\u64c1\u6709\u8db3\u5920\u7684 CPU \u6838\u5fc3\uff0c\u4ee5\u652f\u6301\u4e26\u884c\u8655\u7406\u3002\u53ef\u4ee5\u901a\u904e\u589e\u52a0 CPU \u6838\u5fc3\u6578\u91cf\u4f86\u63d0\u9ad8\u6027\u80fd\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\u6027\u80fd\u3002\u5efa\u8b70\u6bcf\u500b\u7bc0\u9ede\u81f3\u5c11\u914d\u7f6e 16GB \u4ee5\u4e0a\u7684\u5167\u5b58\u3002<\/li>\n<li><strong>\u5b58\u5132\uff1a<\/strong>\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u5b58\u5132\u7cfb\u7d71\uff0c\u5982 SSD\uff0c\u4e26\u78ba\u4fdd\u5b58\u5132\u7cfb\u7d71\u7684 I\/O \u6027\u80fd\u80fd\u5920\u6eff\u8db3\u6578\u64da\u5eab\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e7%b6%b2%e7%b5%a1%e9%85%8d%e7%bd%ae%e7%9a%84%e5%84%aa%e5%8c%96-wCKGOOTDBW\">2. \u7db2\u7d61\u914d\u7f6e\u7684\u512a\u5316<\/h2>\n<p>Oracle RAC \u4f9d\u8cf4\u65bc\u9ad8\u6548\u7684\u7db2\u7d61\u901a\u4fe1\uff0c\u56e0\u6b64\u7db2\u7d61\u914d\u7f6e\u7684\u512a\u5316\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li><strong>\u7db2\u7d61\u5e36\u5bec\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b\u7bc0\u9ede\u4e4b\u9593\u7684\u7db2\u7d61\u5e36\u5bec\u8db3\u5920\uff0c\u5efa\u8b70\u4f7f\u7528\u5343\u5146\u4ee5\u592a\u7db2\u6216\u66f4\u9ad8\u7684\u6a19\u6e96\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u53ef\u4ee5\u63d0\u9ad8\u7bc0\u9ede\u4e4b\u9593\u7684\u901a\u4fe1\u6548\u7387\u3002\u53ef\u4ee5\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u7db2\u7d61\u8a2d\u5099\u548c\u914d\u7f6e\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u5197\u9918\u914d\u7f6e\uff1a<\/strong>\u914d\u7f6e\u5197\u9918\u7db2\u7d61\u4ee5\u63d0\u9ad8\u53ef\u7528\u6027\uff0c\u78ba\u4fdd\u5728\u67d0\u4e00\u7db2\u7d61\u6545\u969c\u6642\u7cfb\u7d71\u4ecd\u80fd\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8%e7%9a%84%e8%aa%bf%e6%95%b4-wCKGOOTDBW\">3. \u6578\u64da\u5eab\u53c3\u6578\u7684\u8abf\u6574<\/h2>\n<p>\u8abf\u6574 Oracle \u6578\u64da\u5eab\u7684\u53c3\u6578\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u53c3\u6578\u8abf\u6574\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>SGA \u548c PGA \u7684\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u7cfb\u7d71\u7684\u5167\u5b58\u5927\u5c0f\uff0c\u5408\u7406\u914d\u7f6e\u7cfb\u7d71\u5168\u5c40\u5340 (SGA) \u548c\u7a0b\u5e8f\u5168\u5c40\u5340 (PGA) \u7684\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u7de9\u5b58\u80fd\u529b\u3002<\/li>\n<li><strong>\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u8abf\u6574\u4e26\u884c\u5ea6\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u80fd\u5920\u5145\u5206\u5229\u7528\u591a\u6838 CPU \u7684\u512a\u52e2\u3002<\/li>\n<li><strong>\u5feb\u53d6\u53c3\u6578\uff1a<\/strong>\u8abf\u6574\u5feb\u53d6\u53c3\u6578\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f8b\u5982\u589e\u52a0 buffer cache \u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%87%89%e7%94%a8%e5%b1%a4%e7%9a%84%e5%84%aa%e5%8c%96-wCKGOOTDBW\">4. \u61c9\u7528\u5c64\u7684\u512a\u5316<\/h2>\n<p>\u9664\u4e86\u6578\u64da\u5eab\u5c64\u7684\u8abf\u6574\uff0c\u61c9\u7528\u5c64\u7684\u512a\u5316\u540c\u6a23\u91cd\u8981\uff1a<\/p>\n<ul>\n<li><strong>SQL \u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316 SQL \u67e5\u8a62\uff0c\u4f7f\u7528\u57f7\u884c\u8a08\u5283\u5206\u6790\u5de5\u5177\u4f86\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u9023\u63a5\u6c60\u7684\u4f7f\u7528\uff1a<\/strong>\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u4f86\u6e1b\u5c11\u9023\u63a5\u6578\u91cf\uff0c\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5be6\u65bd\u8ca0\u8f09\u5747\u8861\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e6%95%b4-wCKGOOTDBW\">5. \u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n<p>\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u8abf\u6574\u662f\u6027\u80fd\u512a\u5316\u7684\u95dc\u9375\u3002\u4f7f\u7528 Oracle \u63d0\u4f9b\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5982 AWR (Automatic Workload Repository) \u548c ASH (Active Session History)\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u554f\u984c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"%e7%b5%90%e8%ab%96-wCKGOOTDBW\">\u7d50\u8ad6<\/h3>\n<p>Oracle RAC \u7684\u6027\u80fd\u8abf\u6574\u662f\u4e00\u500b\u7d9c\u5408\u6027\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u786c\u9ad4\u3001\u7db2\u7d61\u3001\u6578\u64da\u5eab\u53c3\u6578\u53ca\u61c9\u7528\u5c64\u7684\u591a\u65b9\u9762\u512a\u5316\u3002\u901a\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u6301\u7e8c\u7684\u76e3\u63a7\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5176\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u696d\u52d9\u74b0\u5883\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle RAC\u6027\u80fd\u8abf\u6574\u7684\u6709\u6548\u65b9\u6848\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u512a\u5316\u8cc7\u6e90\u5229\u7528\uff0c\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u8207\u7a69\u5b9a\u6027\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-94098","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94098","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=94098"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94098\/revisions"}],"predecessor-version":[{"id":94106,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94098\/revisions\/94106"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}