{"id":126523,"date":"2024-10-26T05:26:20","date_gmt":"2024-10-25T21:26:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126523\/"},"modified":"2024-10-26T05:26:20","modified_gmt":"2024-10-25T21:26:20","slug":"redis-%e5%85%a7%e5%ad%98%e5%a6%82%e4%bd%95%e6%8a%8a%e6%8f%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126523\/","title":{"rendered":"Redis \u5167\u5b58\u5982\u4f55\u628a\u63e1"},"content":{"rendered":"<h1 id=\"redis-%e5%85%a7%e5%ad%98%e5%a6%82%e4%bd%95%e6%8a%8a%e6%8f%a1-MkrqBOlvfD\">Redis \u5167\u5b58\u5982\u4f55\u628a\u63e1<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u5b83\u7684\u6027\u80fd\u512a\u52e2\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002\u7136\u800c\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406 Redis \u7684\u5167\u5b58\uff0c\u78ba\u4fdd\u5176\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u537b\u662f\u4e00\u500b\u503c\u5f97\u6df1\u5165\u63a2\u8a0e\u7684\u8a71\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a9%9f%e5%88%b6-MkrqBOlvfD\">Redis \u7684\u5167\u5b58\u7ba1\u7406\u6a5f\u5236<\/h2>\n<p>Redis \u4f7f\u7528\u5167\u5b58\u4f86\u5b58\u5132\u6578\u64da\uff0c\u9019\u610f\u5473\u8457\u5b83\u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5e6b\u52a9\u7528\u6236\u6839\u64da\u9700\u6c42\u8abf\u6574\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6%e8%a8%ad%e5%ae%9a-MkrqBOlvfD\">\u5167\u5b58\u9650\u5236\u8a2d\u5b9a<\/h3>\n<p>Redis \u5141\u8a31\u7528\u6236\u8a2d\u5b9a\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory<\/code> \u53c3\u6578\u4f86\u5be6\u73fe\u3002\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0c\u5c07\u6839\u64da\u8a2d\u5b9a\u7684\u9a45\u9010\u7b56\u7565\u4f86\u8655\u7406\u6578\u64da\u3002<\/p>\n<pre><code>maxmemory 256mb\n<\/code><\/pre>\n<h3 id=\"%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-MkrqBOlvfD\">\u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u9019\u4e9b\u7b56\u7565\u6c7a\u5b9a\u4e86\u5728\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u54ea\u4e9b\u6578\u64da\u5c07\u88ab\u522a\u9664\u3002\u5e38\u898b\u7684\u9a45\u9010\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>\uff1a\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u7121\u6cd5\u518d\u5beb\u5165\u6578\u64da\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u4f7f\u7528 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u9a45\u9010\u6578\u64da\u3002<\/li>\n<li><strong>volatile-lru<\/strong>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u4f7f\u7528 LRU \u7b97\u6cd5\u9a45\u9010\u6578\u64da\u3002<\/li>\n<li><strong>allkeys-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u4efb\u610f\u9375\u3002<\/li>\n<li><strong>volatile-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e7%9b%a3%e6%8e%a7-MkrqBOlvfD\">\u5167\u5b58\u4f7f\u7528\u76e3\u63a7<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u7ba1\u7406 Redis \u7684\u5167\u5b58\uff0c\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u81f3\u95dc\u91cd\u8981\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u5e6b\u52a9\u7528\u6236\u6aa2\u67e5\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><code>INFO memory<\/code>\uff1a\u986f\u793a\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/li>\n<li><code>MEMORY USAGE key<\/code>\uff1a\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u3002<\/li>\n<li><code>MEMORY STATS<\/code>\uff1a\u63d0\u4f9b\u6709\u95dc\u5167\u5b58\u7684\u7d71\u8a08\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e7%9a%84%e9%81%b8%e6%93%87-MkrqBOlvfD\">\u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7<\/h2>\n<p>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\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\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u5229\u7528\u5167\u5b58\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u54c8\u5e0c\u4f86\u5b58\u5132\u591a\u500b\u5c6c\u6027\u6642\uff0c\u53ef\u4ee5\u7bc0\u7701\u5167\u5b58\uff0c\u76f8\u6bd4\u65bc\u4f7f\u7528\u591a\u500b\u5b57\u7b26\u4e32\u9375\u3002<\/p>\n<pre><code>HSET user:1000 name \"Alice\" age 30\n<\/code><\/pre>\n<h2 id=\"%e5%85%a7%e5%ad%98%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7-MkrqBOlvfD\">\u5167\u5b58\u512a\u5316\u6280\u5de7<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316 Redis \u5167\u5b58\u4f7f\u7528\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/strong>\uff1a\u6839\u64da\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/strong>\uff1a\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4ee5\u81ea\u52d5\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406<\/strong>\uff1a\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u4fdd\u6301\u5167\u5b58\u7684\u9ad8\u6548\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-MkrqBOlvfD\">\u7d50\u8ad6<\/h2>\n<p>\u6709\u6548\u7ba1\u7406 Redis \u7684\u5167\u5b58\u662f\u78ba\u4fdd\u5176\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u5408\u7406\u8a2d\u5b9a\u5167\u5b58\u9650\u5236\u3001\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u3001\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u4ee5\u53ca\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u6236\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8 Redis \u7684\u6027\u80fd\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6301\u7e8c\u512a\u5316\u5167\u5b58\u4f7f\u7528\u5c07\u6210\u70ba\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5167\u5b58\u7ba1\u7406\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u914d\u7f6e\u548c\u512a\u5316\u5167\u5b58\u4f7f\u7528\uff0c\u63d0\u5347\u6027\u80fd\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-126523","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126523","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=126523"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126523\/revisions"}],"predecessor-version":[{"id":126524,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126523\/revisions\/126524"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}