{"id":154279,"date":"2024-11-02T14:29:34","date_gmt":"2024-11-02T06:29:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154279\/"},"modified":"2024-11-02T14:29:35","modified_gmt":"2024-11-02T06:29:35","slug":"%e8%aa%bf%e6%95%b4redis%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98-%e5%88%87%e5%af%a6%e6%8e%a7%e5%88%b6%e5%8d%a0%e7%94%a8%ef%bc%88redis%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98%e9%81%8e%e5%a4%a7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154279\/","title":{"rendered":"\u8abf\u6574Redis\u904b\u884c\u5167\u5b58 \u5207\u5be6\u63a7\u5236\u5360\u7528\uff08redis\u904b\u884c\u5167\u5b58\u904e\u5927\uff09"},"content":{"rendered":"<h1 id=\"%e8%aa%bf%e6%95%b4redis%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98-%e5%88%87%e5%af%a6%e6%8e%a7%e5%88%b6%e5%8d%a0%e7%94%a8%ef%bc%88redis%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98%e9%81%8e%e5%a4%a7%ef%bc%89-fYFNxINsmW\">\u8abf\u6574Redis\u904b\u884c\u5167\u5b58 \u5207\u5be6\u63a7\u5236\u5360\u7528\uff08redis\u904b\u884c\u5167\u5b58\u904e\u5927\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u52a0\uff0c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u6216\u8cc7\u6e90\u6d6a\u8cbb\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8abf\u6574Redis\u7684\u904b\u884c\u5167\u5b58\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"redis%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a6%82%e8%bf%b0-fYFNxINsmW\">Redis\u5167\u5b58\u7ba1\u7406\u6982\u8ff0<\/h2>\n<p>Redis\u7684\u5167\u5b58\u7ba1\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5176\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u53c3\u6578\u8a2d\u7f6e\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u4f86\u63a7\u5236Redis\u7684\u5167\u5b58\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u8981\u7684\u5167\u5b58\u7ba1\u7406\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>maxmemory<\/code>\uff1a\u8a2d\u7f6eRedis\u53ef\u4ee5\u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u91cf\u3002<\/li>\n<li><code>maxmemory-policy<\/code>\uff1a\u5b9a\u7fa9\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis\u61c9\u8a72\u5982\u4f55\u8655\u7406\u65b0\u9032\u7684\u6578\u64da\u3002<\/li>\n<li><code>maxmemory-samples<\/code>\uff1a\u5728\u4f7f\u7528LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u6642\uff0cRedis\u7528\u4f86\u9078\u64c7\u8981\u522a\u9664\u7684\u9375\u7684\u6a23\u672c\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%aa%bf%e6%95%b4redis%e9%81%8b%e8%a1%8c%e5%85%a7%e5%ad%98-fYFNxINsmW\">\u5982\u4f55\u8abf\u6574Redis\u904b\u884c\u5167\u5b58<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\u548c\u5efa\u8b70\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u8abf\u6574Redis\u7684\u904b\u884c\u5167\u5b58\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e6%9c%80%e5%a4%a7%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-fYFNxINsmW\">1. \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728Redis\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e<code>maxmemory<\/code>\u53c3\u6578\u3002\u9019\u500b\u53c3\u6578\u53ef\u4ee5\u6839\u64da\u60a8\u7684\u7cfb\u7d71\u8cc7\u6e90\u548c\u61c9\u7528\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u4f3a\u670d\u5668\u67098GB\u7684\u5167\u5b58\uff0c\u60a8\u53ef\u4ee5\u5c07Redis\u7684\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u70ba6GB\uff0c\u4ee5\u7559\u51fa\u8db3\u5920\u7684\u5167\u5b58\u7d66\u5176\u4ed6\u61c9\u7528\u3002<\/p>\n<pre><code>maxmemory 6gb<\/code><\/pre>\n<h3 id=\"2-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5-fYFNxINsmW\">2. \u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565<\/h3>\n<p>\u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u4e0a\u9650\u6642\uff0c\u60a8\u9700\u8981\u9078\u64c7\u4e00\u7a2e\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u7b56\u7565\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>noeviction<\/code>\uff1a\u4e0d\u6dd8\u6c70\u4efb\u4f55\u9375\uff0c\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u5beb\u5165\u64cd\u4f5c\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><code>allkeys-lru<\/code>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u9078\u64c7\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<li><code>volatile-lru<\/code>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u9078\u64c7\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u60a8\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u6700\u5408\u9069\u7684\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u61c9\u7528\u9700\u8981\u6301\u7e8c\u5beb\u5165\u6578\u64da\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<code>allkeys-lru<\/code>\u7b56\u7565\u3002<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-fYFNxINsmW\">3. \u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Redis\u7684<code>INFO<\/code>\u547d\u4ee4\u4f86\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5df2\u7528\u5167\u5b58\u3001\u6700\u5927\u5167\u5b58\u548c\u5167\u5b58\u788e\u7247\u7387\u7b49\u3002\u6839\u64da\u9019\u4e9b\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u9032\u4e00\u6b65\u8abf\u6574<code>maxmemory<\/code>\u548c<code>maxmemory-policy<\/code>\u53c3\u6578\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-fYFNxINsmW\">4. \u512a\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4e5f\u80fd\u6709\u6548\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>hash<\/code>\u4f86\u5b58\u5132\u591a\u500b\u5b57\u6bb5\u7684\u6578\u64da\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u591a\u500b\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u7bc0\u7701\u5167\u5b58\u958b\u92b7\u3002<\/p>\n<pre><code>HSET user:1000 username \"john\" age 30<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fYFNxINsmW\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u5408\u7406\u8a2d\u7f6eRedis\u7684\u5167\u5b58\u53c3\u6578\u3001\u9078\u64c7\u5408\u9069\u7684\u6dd8\u6c70\u7b56\u7565\u3001\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u4ee5\u53ca\u512a\u5316\u6578\u64da\u7d50\u69cb\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u63a7\u5236Redis\u7684\u5167\u5b58\u5360\u7528\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8abf\u6574Redis\u904b\u884c\u5167\u5b58\uff0c\u6709\u6548\u63a7\u5236\u5167\u5b58\u5360\u7528\uff0c\u907f\u514d\u904e\u5927\u5f71\u97ff\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6548\u7387\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-154279","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154279","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=154279"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154279\/revisions"}],"predecessor-version":[{"id":154280,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154279\/revisions\/154280"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}