{"id":175055,"date":"2024-11-08T02:17:29","date_gmt":"2024-11-07T18:17:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175055\/"},"modified":"2024-11-08T02:17:30","modified_gmt":"2024-11-07T18:17:30","slug":"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e5%a4%a7%e5%85%a7%e5%ad%98%e5%a4%a7%e5%b0%8f%ef%bc%9f-%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e5%a4%a7%e5%85%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175055\/","title":{"rendered":"\u5982\u4f55\u8a2d\u7f6e\u6578\u64da\u5eab\u66f4\u5927\u5167\u5b58\u5927\u5c0f\uff1f (\u8a2d\u7f6e\u6578\u64da\u5eab\u66f4\u5927\u5167\u5b58\u5927\u5c0f)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e5%a4%a7%e5%85%a7%e5%ad%98%e5%a4%a7%e5%b0%8f%ef%bc%9f-tmzhZNUAXI\">\u5982\u4f55\u8a2d\u7f6e\u6578\u64da\u5eab\u66f4\u5927\u5167\u5b58\u5927\u5c0f\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u9069\u7576\u914d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e5%85%a7%e5%ad%98%e5%a4%a7%e5%b0%8f%e9%87%8d%e8%a6%81%ef%bc%9f-tmzhZNUAXI\">\u70ba\u4ec0\u9ebc\u5167\u5b58\u5927\u5c0f\u91cd\u8981\uff1f<\/h2>\n<p>\u5167\u5b58\u5927\u5c0f\u76f4\u63a5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u7576\u6578\u64da\u5eab\u7684\u5167\u5b58\u4e0d\u8db3\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u983b\u7e41\u5730\u5f9e\u786c\u789f\u8b80\u53d6\u6578\u64da\uff0c\u9019\u6703\u5c0e\u81f4\u5ef6\u9072\u548c\u6027\u80fd\u4e0b\u964d\u3002\u76f8\u53cd\uff0c\u8db3\u5920\u7684\u5167\u5b58\u53ef\u4ee5\u8b93\u6578\u64da\u5eab\u5c07\u66f4\u591a\u7684\u6578\u64da\u7de9\u5b58\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u548c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%85%a7%e5%ad%98%e5%a4%a7%e5%b0%8f-tmzhZNUAXI\">\u5982\u4f55\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f<\/h2>\n<p>\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f\u901a\u5e38\u53d6\u6c7a\u65bc\u6240\u4f7f\u7528\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u5167\u5b58\u8a2d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-mysql-tmzhZNUAXI\">1. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u4e3b\u8981\u7684\u5167\u5b58\u8a2d\u7f6e\u53c3\u6578\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>innodb_buffer_pool_size<\/code>\uff1a\u9019\u662fInnoDB\u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5340\u57df\u3002\u901a\u5e38\u5efa\u8b70\u5c07\u5176\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470-80%\u3002<\/li>\n<li><code>key_buffer_size<\/code>\uff1a\u9019\u662fMyISAM\u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u7d22\u5f15\u7684\u5167\u5b58\u5340\u57df\u3002\u5c0d\u65bc\u4f7f\u7528MyISAM\u7684\u6578\u64da\u5eab\uff0c\u9019\u500b\u53c3\u6578\u4e5f\u5f88\u91cd\u8981\u3002<\/li>\n<li><code>query_cache_size<\/code>\uff1a\u9019\u662f\u7528\u65bc\u7de9\u5b58\u67e5\u8a62\u7d50\u679c\u7684\u5167\u5b58\u5927\u5c0f\u3002\u96d6\u7136\u5728\u65b0\u7248\u672c\u4e2d\u4e0d\u518d\u63a8\u85a6\u4f7f\u7528\uff0c\u4f46\u5982\u679c\u4f7f\u7528\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u8981\u4fee\u6539\u9019\u4e9b\u53c3\u6578\uff0c\u53ef\u4ee5\u7de8\u8f2fMySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662f<code>my.cnf<\/code>\u6216<code>my.ini<\/code>\uff09\uff0c\u7136\u5f8c\u91cd\u555fMySQL\u670d\u52d9\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>[mysqld]\ninnodb_buffer_pool_size=2G\nkey_buffer_size=256M\nquery_cache_size=64M\n<\/code><\/pre>\n<h3 id=\"2-postgresql-tmzhZNUAXI\">2. PostgreSQL<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u4e3b\u8981\u7684\u5167\u5b58\u8a2d\u7f6e\u53c3\u6578\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>shared_buffers<\/code>\uff1a\u9019\u662fPostgreSQL\u7528\u65bc\u7de9\u5b58\u6578\u64da\u7684\u5167\u5b58\u5340\u57df\u3002\u5efa\u8b70\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768425%\u3002<\/li>\n<li><code>work_mem<\/code>\uff1a\u9019\u662f\u6bcf\u500b\u67e5\u8a62\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528\u7684\u5167\u5b58\u5927\u5c0f\u3002\u6839\u64da\u67e5\u8a62\u7684\u8907\u96dc\u6027\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><code>maintenance_work_mem<\/code>\uff1a\u9019\u662f\u7528\u65bc\u7dad\u8b77\u64cd\u4f5c\uff08\u5982VACUUM\u548cCREATE INDEX\uff09\u7684\u5167\u5b58\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<p>\u8981\u4fee\u6539\u9019\u4e9b\u53c3\u6578\uff0c\u53ef\u4ee5\u7de8\u8f2fPostgreSQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662f<code>postgresql.conf<\/code>\uff09\uff0c\u7136\u5f8c\u91cd\u555fPostgreSQL\u670d\u52d9\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>shared_buffers = 1GB\nwork_mem = 64MB\nmaintenance_work_mem = 256MB\n<\/code><\/pre>\n<h3 id=\"3-sql-server-tmzhZNUAXI\">3. SQL Server<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u5167\u5b58\u7684\u7ba1\u7406\u76f8\u5c0d\u81ea\u52d5\u5316\uff0c\u4f46\u4ecd\u7136\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\u8abf\u6574\uff1a<\/p>\n<ul>\n<li>\u5728SQL Server Management Studio\u4e2d\uff0c\u53f3\u9375\u55ae\u64ca\u4f3a\u670d\u5668\u5be6\u4f8b\uff0c\u9078\u64c7\u5c6c\u6027\uff0c\u7136\u5f8c\u5728\u5167\u5b58\u9078\u9805\u5361\u4e2d\u8a2d\u7f6e\u6700\u5927\u548c\u6700\u5c0f\u5167\u5b58\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768480%\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8-tmzhZNUAXI\">\u76e3\u63a7\u548c\u8abf\u6574\u5167\u5b58\u4f7f\u7528<\/h2>\n<p>\u8a2d\u7f6e\u5167\u5b58\u5927\u5c0f\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2e\u5de5\u5177\u4f86\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>MySQL\u7684<code>SHOW STATUS<\/code>\u547d\u4ee4<\/li>\n<li>PostgreSQL\u7684<code>pg_stat_activity<\/code>\u8996\u5716<\/li>\n<li>SQL Server\u7684\u6027\u80fd\u76e3\u8996\u5668<\/li>\n<\/ul>\n<p>\u6839\u64da\u76e3\u63a7\u7d50\u679c\uff0c\u96a8\u6642\u8abf\u6574\u5167\u5b58\u8a2d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u5728\u6700\u4f73\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tmzhZNUAXI\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f\u662f\u4e00\u500b\u95dc\u9375\u6b65\u9a5f\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u901a\u904e\u4e86\u89e3\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u5167\u5b58\u8a2d\u7f6e\u65b9\u6cd5\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u97ff\u61c9\u901f\u5ea6\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5167\u5b58\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u6d41\u66a2\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-175055","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175055","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=175055"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175055\/revisions"}],"predecessor-version":[{"id":175056,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175055\/revisions\/175056"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}