{"id":81472,"date":"2024-10-16T16:05:17","date_gmt":"2024-10-16T08:05:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/81472\/"},"modified":"2024-10-16T16:05:17","modified_gmt":"2024-10-16T08:05:17","slug":"opengauss%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e6%a6%82%e8%bf%b0%e5%8f%8a%e5%af%a6%e4%be%8b%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/81472\/","title":{"rendered":"OpenGauss\u6578\u64da\u5eab\u6027\u80fd\u8abf\u512a\u6982\u8ff0\u53ca\u5be6\u4f8b\u5206\u6790"},"content":{"rendered":"<h1 id=\"opengauss%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e6%a6%82%e8%bf%b0%e5%8f%8a%e5%af%a6%e4%be%8b%e5%88%86%e6%9e%90-jjxFTgFRuP\">OpenGauss\u6578\u64da\u5eab\u6027\u80fd\u8abf\u512a\u6982\u8ff0\u53ca\u5be6\u4f8b\u5206\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002OpenGauss\u4f5c\u70ba\u4e00\u6b3e\u958b\u6e90\u7684\u95dc\u806f\u6578\u64da\u5eab\uff0c\u56e0\u5176\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0eOpenGauss\u7684\u6027\u80fd\u8abf\u512a\u65b9\u6cd5\uff0c\u4e26\u901a\u904e\u5be6\u4f8b\u5206\u6790\u4f86\u5c55\u793a\u5176\u61c9\u7528\u6548\u679c\u3002<\/p>\n<h2 id=\"opengauss%e7%b0%a1%e4%bb%8b-jjxFTgFRuP\">OpenGauss\u7c21\u4ecb<\/h2>\n<p>OpenGauss\u662f\u4e00\u6b3e\u7531\u83ef\u70ba\u4e3b\u5c0e\u958b\u767c\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0c\u65e8\u5728\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u6a21\u578b\uff0c\u4e26\u5177\u5099\u5f37\u5927\u7684\u4e8b\u52d9\u8655\u7406\u80fd\u529b\u548c\u9ad8\u53ef\u7528\u6027\u3002OpenGauss\u7684\u67b6\u69cb\u8a2d\u8a08\u4f7f\u5176\u80fd\u5920\u5728\u591a\u7a2e\u5834\u666f\u4e0b\u904b\u884c\uff0c\u5305\u62ec\u96f2\u8a08\u7b97\u3001\u5927\u6578\u64da\u5206\u6790\u7b49\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%aa%bf%e5%84%aa%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-jjxFTgFRuP\">\u6027\u80fd\u8abf\u512a\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u6027\u80fd\u8abf\u512a\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u9084\u80fd\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5c0d\u65bcOpenGauss\u4f86\u8aaa\uff0c\u6027\u80fd\u8abf\u512a\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-jjxFTgFRuP\">\u67e5\u8a62\u512a\u5316<\/li>\n<li id=\"%e7%b4%a2%e5%bc%95%e7%ae%a1%e7%90%86-jjxFTgFRuP\">\u7d22\u5f15\u7ba1\u7406<\/li>\n<li id=\"%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8%e8%aa%bf%e6%95%b4-jjxFTgFRuP\">\u914d\u7f6e\u53c3\u6578\u8abf\u6574<\/li>\n<li id=\"%e7%a1%ac%e4%bb%b6%e8%b3%87%e6%ba%90%e7%9a%84%e5%90%88%e7%90%86%e5%88%a9%e7%94%a8-jjxFTgFRuP\">\u786c\u4ef6\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-jjxFTgFRuP\">\u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u512a\u5316\u662f\u6027\u80fd\u8abf\u512a\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u74b0\u3002OpenGauss\u63d0\u4f9b\u4e86\u591a\u7a2e\u67e5\u8a62\u512a\u5316\u5de5\u5177\uff0c\u5982\u57f7\u884c\u8a08\u5283\u5206\u6790\u548c\u67e5\u8a62\u91cd\u5beb\u3002\u901a\u904e\u5206\u6790\u57f7\u884c\u8a08\u5283\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\u3002<\/p>\n<pre><code>EXPLAIN SELECT * FROM employees WHERE department = 'Sales';<\/code><\/pre>\n<p>\u4e0a\u8ff0\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%ae%a1%e7%90%86-jjxFTgFRuP\">\u7d22\u5f15\u7ba1\u7406<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002OpenGauss\u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ecB\u6a39\u7d22\u5f15\u3001\u54c8\u5e0c\u7d22\u5f15\u548cGIN\u7d22\u5f15\u3002\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<pre><code>CREATE INDEX idx_department ON employees(department);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u70ba\u201cemployees\u201d\u8868\u7684\u201cdepartment\u201d\u5217\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0\u5feb\u57fa\u65bc\u90e8\u9580\u7684\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8%e8%aa%bf%e6%95%b4-jjxFTgFRuP\">\u914d\u7f6e\u53c3\u6578\u8abf\u6574<\/h2>\n<p>OpenGauss\u7684\u6027\u80fd\u9084\u53d7\u5230\u914d\u7f6e\u53c3\u6578\u7684\u5f71\u97ff\u3002\u901a\u904e\u8abf\u6574\u5167\u5b58\u3001\u9023\u63a5\u6578\u548c\u7de9\u5b58\u7b49\u53c3\u6578\uff0c\u53ef\u4ee5\u512a\u5316\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u589e\u52a0\u5171\u4eab\u5167\u5b58\u7684\u5927\u5c0f\u53ef\u4ee5\u63d0\u9ad8\u4e26\u767c\u67e5\u8a62\u7684\u6027\u80fd\u3002<\/p>\n<pre><code>ALTER SYSTEM SET shared_buffers = '2GB';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5171\u4eab\u7de9\u5b58\u8a2d\u7f6e\u70ba2GB\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%a1%ac%e4%bb%b6%e8%b3%87%e6%ba%90%e7%9a%84%e5%90%88%e7%90%86%e5%88%a9%e7%94%a8-jjxFTgFRuP\">\u786c\u4ef6\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528<\/h2>\n<p>\u6700\u5f8c\uff0c\u786c\u4ef6\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528\u4e5f\u662f\u6027\u80fd\u8abf\u512a\u7684\u91cd\u8981\u65b9\u9762\u3002\u9078\u64c7\u5408\u9069\u7684\u786c\u4ef6\u914d\u7f6e\uff0c\u5982CPU\u3001\u5167\u5b58\u548c\u5b58\u5132\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8OpenGauss\u7684\u6027\u80fd\u3002\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684VPS\u6216\u96f2\u670d\u52d9\u5668\u914d\u7f6e\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%af%a6%e4%be%8b%e5%88%86%e6%9e%90-jjxFTgFRuP\">\u5be6\u4f8b\u5206\u6790<\/h2>\n<p>\u4ee5\u67d0\u96fb\u5546\u5e73\u53f0\u70ba\u4f8b\uff0c\u8a72\u5e73\u53f0\u4f7f\u7528OpenGauss\u4f5c\u70ba\u5176\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u67e5\u8a62\u6027\u80fd\u51fa\u73fe\u4e86\u74f6\u9838\u3002\u7d93\u904e\u6027\u80fd\u8abf\u512a\u5f8c\uff0c\u67e5\u8a62\u901f\u5ea6\u63d0\u9ad8\u4e8650%\u3002\u5177\u9ad4\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5c0d\u5e38\u7528\u67e5\u8a62\u9032\u884c\u4e86\u512a\u5316\uff0c\u6e1b\u5c11\u4e86\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6383\u63cf\u3002<\/li>\n<li>\u70ba\u95dc\u9375\u5b57\u6bb5\u5275\u5efa\u4e86\u7d22\u5f15\uff0c\u986f\u8457\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li>\u8abf\u6574\u4e86\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u589e\u52a0\u4e86\u5167\u5b58\u548c\u7de9\u5b58\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u63aa\u65bd\u7684\u5be6\u65bd\u4f7f\u5f97\u8a72\u5e73\u53f0\u5728\u9ad8\u5cf0\u671f\u4e5f\u80fd\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\uff0c\u63d0\u5347\u4e86\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jjxFTgFRuP\">\u7e3d\u7d50<\/h2>\n<p>OpenGauss\u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5176\u6027\u80fd\u8abf\u512a\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u67e5\u8a62\u512a\u5316\u3001\u7d22\u5f15\u7ba1\u7406\u3001\u914d\u7f6e\u53c3\u6578\u8abf\u6574\u548c\u786c\u4ef6\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u914d\u7f6e\u5c07\u662f\u63d0\u5347OpenGauss\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22OpenGauss\u6578\u64da\u5eab\u6027\u80fd\u8abf\u512a\u7684\u6982\u8ff0\u8207\u5be6\u4f8b\u5206\u6790\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\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-81472","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81472","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=81472"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81472\/revisions"}],"predecessor-version":[{"id":81473,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81472\/revisions\/81473"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=81472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=81472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=81472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}