{"id":97762,"date":"2024-10-20T20:55:20","date_gmt":"2024-10-20T12:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97762\/"},"modified":"2024-10-20T20:55:20","modified_gmt":"2024-10-20T12:55:20","slug":"redis%e8%a2%abbgsave%e5%92%8cbgrewriteaof%e9%98%bb%e5%a1%9e%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97762\/","title":{"rendered":"Redis\u88abbgsave\u548cbgrewriteaof\u963b\u585e\u7684\u89e3\u6c7a\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"redis%e8%a2%abbgsave%e5%92%8cbgrewriteaof%e9%98%bb%e5%a1%9e%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95-UUiyeNaAHM\">Redis\u88abbgsave\u548cbgrewriteaof\u963b\u585e\u7684\u89e3\u6c7a\u65b9\u6cd5<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u96d6\u7136Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u4f46\u5728\u4f7f\u7528<b>bgsave<\/b>\u548c<b>bgrewriteaof<\/b>\u547d\u4ee4\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u963b\u585e\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u554f\u984c\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e6%a9%9f%e5%88%b6-UUiyeNaAHM\">Redis\u7684\u6301\u4e45\u5316\u6a5f\u5236<\/h2>\n<p>Redis\u4e3b\u8981\u6709\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff1aRDB\uff08\u5feb\u7167\uff09\u548cAOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\u3002<\/p>\n<ul>\n<li><b>RDB\uff08\u5feb\u7167\uff09<\/b>: \u901a\u904e<b>bgsave<\/b>\u547d\u4ee4\uff0cRedis\u6703\u5728\u5f8c\u53f0\u751f\u6210\u6578\u64da\u7684\u5feb\u7167\uff0c\u4e26\u5c07\u5176\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\u3002<\/li>\n<li><b>AOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09<\/b>: \u901a\u904e<b>bgrewriteaof<\/b>\u547d\u4ee4\uff0cRedis\u6703\u5728\u5f8c\u53f0\u91cd\u5bebAOF\u6587\u4ef6\uff0c\u4ee5\u6e1b\u5c11\u6587\u4ef6\u5927\u5c0f\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u9019\u5169\u7a2e\u547d\u4ee4\u90fd\u6703\u5728\u5f8c\u53f0\u904b\u884c\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u963b\u585e\uff0c\u5f71\u97ffRedis\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e9%98%bb%e5%a1%9e%e7%9a%84%e5%8e%9f%e5%9b%a0-UUiyeNaAHM\">\u963b\u585e\u7684\u539f\u56e0<\/h2>\n<p>\u7576Redis\u57f7\u884c<b>bgsave<\/b>\u6216<b>bgrewriteaof<\/b>\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4ee5\u4e0b\u5e7e\u7a2e\u963b\u585e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><b>IO\u74f6\u9838<\/b>: \u5982\u679c\u78c1\u789fIO\u6027\u80fd\u4e0d\u8db3\uff0c\u5247\u5728\u5beb\u5165\u5feb\u7167\u6216\u91cd\u5bebAOF\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u963b\u585e\u3002<\/li>\n<li><b>\u5167\u5b58\u4e0d\u8db3<\/b>: \u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u63a5\u8fd1\u4e0a\u9650\u6642\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6301\u4e45\u5316\u64cd\u4f5c\u7684\u57f7\u884c\u3002<\/li>\n<li><b>\u9577\u6642\u9593\u7684\u963b\u585e\u64cd\u4f5c<\/b>: \u5982\u679c\u6709\u5176\u4ed6\u9577\u6642\u9593\u904b\u884c\u7684\u547d\u4ee4\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6301\u4e45\u5316\u64cd\u4f5c\u7684\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95-UUiyeNaAHM\">\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aRedis\u5728\u57f7\u884c<b>bgsave<\/b>\u548c<b>bgrewriteaof<\/b>\u6642\u7684\u963b\u585e\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e7%a3%81%e7%a2%9fio%e6%80%a7%e8%83%bd-UUiyeNaAHM\">1. \u512a\u5316\u78c1\u789fIO\u6027\u80fd<\/h3>\n<p>\u78ba\u4fdd\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u78c1\u789f\uff0c\u5982SSD\uff0c\u4e26\u6aa2\u67e5\u78c1\u789f\u7684\u5065\u5eb7\u72c0\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u78c1\u789f\u7684IO\u6027\u80fd\uff1a<\/p>\n<pre><code>iostat -x 1<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73feIO\u6027\u80fd\u4e0d\u8db3\uff0c\u53ef\u4ee5\u8003\u616e\u5347\u7d1a\u786c\u9ad4\u6216\u4f7f\u7528RAID\u914d\u7f6e\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e5%85%a7%e5%ad%98-UUiyeNaAHM\">2. \u589e\u52a0\u5167\u5b58<\/h3>\n<p>\u5982\u679cRedis\u7684\u5167\u5b58\u4f7f\u7528\u63a5\u8fd1\u4e0a\u9650\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u52a0\u5167\u5b58\u5bb9\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u6839\u64da\u9700\u8981\u8abf\u6574Redis\u7684\u5167\u5b58\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd\u6709\u8db3\u5920\u7684\u5167\u5b58\u4f86\u652f\u6301\u6301\u4e45\u5316\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"3-%e6%b8%9b%e5%b0%91%e9%95%b7%e6%99%82%e9%96%93%e7%9a%84%e9%98%bb%e5%a1%9e%e6%93%8d%e4%bd%9c-UUiyeNaAHM\">3. \u6e1b\u5c11\u9577\u6642\u9593\u7684\u963b\u585e\u64cd\u4f5c<\/h3>\n<p>\u6aa2\u67e5Redis\u4e2d\u662f\u5426\u6709\u9577\u6642\u9593\u904b\u884c\u7684\u547d\u4ee4\uff0c\u4e26\u8003\u616e\u512a\u5316\u9019\u4e9b\u547d\u4ee4\u7684\u57f7\u884c\u6642\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u57f7\u884c\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code>CLIENT LIST<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6709\u4e0d\u5fc5\u8981\u7684\u9577\u6642\u9593\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u616e\u7d42\u6b62\u9019\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"4-%e8%aa%bf%e6%95%b4%e6%8c%81%e4%b9%85%e5%8c%96%e7%ad%96%e7%95%a5-UUiyeNaAHM\">4. \u8abf\u6574\u6301\u4e45\u5316\u7b56\u7565<\/h3>\n<p>\u6839\u64da\u61c9\u7528\u9700\u6c42\uff0c\u8abf\u6574\u6301\u4e45\u5316\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u9078\u64c7\u5728\u4f4e\u5cf0\u671f\u57f7\u884c<b>bgsave<\/b>\u548c<b>bgrewriteaof<\/b>\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UUiyeNaAHM\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684<b>bgsave<\/b>\u548c<b>bgrewriteaof<\/b>\u547d\u4ee4\u5728\u6301\u4e45\u5316\u6578\u64da\u6642\u53ef\u80fd\u6703\u9047\u5230\u963b\u585e\u554f\u984c\uff0c\u9019\u901a\u5e38\u8207IO\u6027\u80fd\u3001\u5167\u5b58\u4f7f\u7528\u548c\u9577\u6642\u9593\u64cd\u4f5c\u6709\u95dc\u3002\u901a\u904e\u512a\u5316\u78c1\u789fIO\u6027\u80fd\u3001\u589e\u52a0\u5167\u5b58\u3001\u6e1b\u5c11\u9577\u6642\u9593\u7684\u963b\u585e\u64cd\u4f5c\u4ee5\u53ca\u8abf\u6574\u6301\u4e45\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2dbgsave\u548cbgrewriteaof\u963b\u585e\u554f\u984c\u7684\u89e3\u6c7a\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u6301\u4e45\u6027\u548c\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-97762","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97762","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=97762"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97762\/revisions"}],"predecessor-version":[{"id":97763,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97762\/revisions\/97763"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}