{"id":123568,"date":"2024-10-25T13:55:20","date_gmt":"2024-10-25T05:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/123568\/"},"modified":"2024-10-25T13:55:21","modified_gmt":"2024-10-25T05:55:21","slug":"redis-%e9%9b%86%e7%be%a4%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/123568\/","title":{"rendered":"Redis \u96c6\u7fa4\u5167\u5b58\u8abf\u512a\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e5%85%a7%e5%ad%98%e8%aa%bf%e5%84%aa%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-NzRZzkzsij\">Redis \u96c6\u7fa4\u5167\u5b58\u8abf\u512a\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u5206\u6790\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0cRedis \u96c6\u7fa4\u7684\u5167\u5b58\u8abf\u512a\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u5167\u5b58\u8abf\u512a\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u5229\u7528\u5167\u5b58\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3-redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-NzRZzkzsij\">1. \u7406\u89e3 Redis \u7684\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis \u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba\u300c\u5167\u5b58\u6578\u64da\u7d50\u69cb\u300d\u7684\u65b9\u5f0f\u4f86\u5b58\u5132\u6578\u64da\u3002\u9019\u610f\u5473\u8457\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97 Redis \u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\u3002\u7136\u800c\uff0c\u9019\u4e5f\u610f\u5473\u8457\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230 Redis \u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"2-%e8%a8%ad%e5%ae%9a%e5%90%88%e7%90%86%e7%9a%84%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-NzRZzkzsij\">2. \u8a2d\u5b9a\u5408\u7406\u7684\u5167\u5b58\u9650\u5236<\/h2>\n<p>\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e <code>maxmemory<\/code> \u53c3\u6578\u4f86\u9650\u5236 Redis \u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62 Redis \u4f7f\u7528\u904e\u591a\u7684\u5167\u5b58\uff0c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u8a2d\u5b9a\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>maxmemory 2gb<\/code><\/pre>\n<p>\u7576 Redis \u4f7f\u7528\u7684\u5167\u5b58\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0c\u6703\u6839\u64da <code>maxmemory-policy<\/code> \u7684\u8a2d\u5b9a\u4f86\u6c7a\u5b9a\u5982\u4f55\u8655\u7406\u65b0\u9032\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"3-%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-NzRZzkzsij\">3. \u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>noeviction<\/code>: \u4e0d\u6dd8\u6c70\u4efb\u4f55\u6578\u64da\uff0c\u7576\u5167\u5b58\u9054\u5230\u9650\u5236\u6642\uff0c\u5beb\u5165\u64cd\u4f5c\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><code>allkeys-lru<\/code>: \u6dd8\u6c70\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/li>\n<li><code>volatile-lru<\/code>: \u53ea\u6dd8\u6c70\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><code>allkeys-random<\/code>: \u96a8\u6a5f\u6dd8\u6c70\u9375\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u5167\u5b58\u4f7f\u7528\u6548\u7387\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-NzRZzkzsij\">4. \u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5927\u91cf\u9375\u503c\u5c0d\u7684\u5834\u666f\uff0c\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u6bd4\u4f7f\u7528\u5b57\u7b26\u4e32\u7d50\u69cb\u66f4\u70ba\u9ad8\u6548\uff0c\u56e0\u70ba\u54c8\u5e0c\u7d50\u69cb\u5728\u5b58\u5132\u5c0f\u9375\u503c\u5c0d\u6642\u7684\u5167\u5b58\u958b\u92b7\u66f4\u5c0f\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e6%95%b8%e6%93%9a-NzRZzkzsij\">5. \u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da<\/h2>\n<p>Redis \u652f\u6301\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u53ef\u4ee5\u91cb\u653e\u5167\u5b58\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9019\u6a23\uff0c<code>mykey<\/code> \u5c07\u5728 60 \u79d2\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h2 id=\"6-%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-NzRZzkzsij\">6. \u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u4f7f\u7528 Redis \u7684 <code>INFO<\/code> \u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<h2 id=\"7-%e8%80%83%e6%85%ae%e4%bd%bf%e7%94%a8-redis-cluster-NzRZzkzsij\">7. \u8003\u616e\u4f7f\u7528 Redis Cluster<\/h2>\n<p>\u5982\u679c\u55ae\u500b Redis \u5be6\u4f8b\u7684\u5167\u5b58\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis Cluster\u3002Redis Cluster \u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u64f4\u5c55\u5167\u5b58\u5bb9\u91cf\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NzRZzkzsij\">\u7e3d\u7d50<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u5167\u5b58\u8abf\u512a\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u901a\u904e\u5408\u7406\u8a2d\u5b9a\u5167\u5b58\u9650\u5236\u3001\u9078\u64c7\u5408\u9069\u7684\u6dd8\u6c70\u7b56\u7565\u548c\u6578\u64da\u7d50\u69cb\u3001\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u4ee5\u53ca\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8 Redis \u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u70ba Redis \u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u5167\u5b58\u8abf\u512a\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b58\u5132\u7684\u7a69\u5b9a\u6027\u8207\u53ef\u9760\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-123568","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123568","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=123568"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123568\/revisions"}],"predecessor-version":[{"id":123569,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123568\/revisions\/123569"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=123568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=123568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=123568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}