{"id":174041,"date":"2024-11-07T20:34:12","date_gmt":"2024-11-07T12:34:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174041\/"},"modified":"2024-11-07T20:34:13","modified_gmt":"2024-11-07T12:34:13","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%b7%b2%e6%bb%bf%e7%9a%84%e5%9b%b0%e5%a2%83%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%af%ab%e6%bb%bf%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174041\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7aRedis\u7de9\u5b58\u5df2\u6eff\u7684\u56f0\u5883\uff08redis\u7de9\u5b58\u5beb\u6eff\u600e\u9ebc\u8fa6\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%b7%b2%e6%bb%bf%e7%9a%84%e5%9b%b0%e5%a2%83%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%af%ab%e6%bb%bf%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89-AXVDUrjMdw\">\u5982\u4f55\u89e3\u6c7aRedis\u7de9\u5b58\u5df2\u6eff\u7684\u56f0\u5883\uff08redis\u7de9\u5b58\u5beb\u6eff\u600e\u9ebc\u8fa6\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u7576Redis\u7de9\u5b58\u5df2\u6eff\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u6578\u64da\u4e1f\u5931\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u89e3\u6c7aRedis\u7de9\u5b58\u5df2\u6eff\u7684\u56f0\u5883\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%ba%86%e8%a7%a3redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-AXVDUrjMdw\">\u4e86\u89e3Redis\u7684\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis\u4f7f\u7528\u5167\u5b58\u4f86\u5b58\u5132\u6578\u64da\uff0c\u9019\u610f\u5473\u8457\u5b83\u7684\u6027\u80fd\u975e\u5e38\u5feb\uff0c\u4f46\u4e5f\u6709\u5176\u5c40\u9650\u6027\u3002\u7576Redis\u7684\u5167\u5b58\u9054\u5230\u8a2d\u5b9a\u7684\u4e0a\u9650\u6642\uff0c\u6703\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u4f86\u8655\u7406\u65b0\u9032\u7684\u6578\u64da\u3002\u9019\u4e9b\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>\uff1a\u7576\u5167\u5b58\u6eff\u6642\uff0c\u62d2\u7d55\u5beb\u5165\u65b0\u6578\u64da\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u9078\u64c7\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u9a45\u9010\u3002<\/li>\n<li><strong>volatile-lru<\/strong>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u9078\u64c7\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u9a45\u9010\u3002<\/li>\n<li><strong>allkeys-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u4e00\u500b\u9375\u3002<\/li>\n<li><strong>volatile-random<\/strong>\uff1a\u96a8\u6a5f\u9a45\u9010\u4e00\u500b\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u4e86\u89e3\u9019\u4e9b\u7b56\u7565\u6709\u52a9\u65bc\u6211\u5011\u5728\u7de9\u5b58\u5df2\u6eff\u7684\u60c5\u6cc1\u4e0b\u505a\u51fa\u6b63\u78ba\u7684\u6c7a\u7b56\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e5%b7%b2%e6%bb%bf%e7%9a%84%e7%ad%96%e7%95%a5-AXVDUrjMdw\">\u89e3\u6c7aRedis\u7de9\u5b58\u5df2\u6eff\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-AXVDUrjMdw\">1. \u589e\u52a0\u5167\u5b58\u9650\u5236<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u589e\u52a0Redis\u7684\u5167\u5b58\u9650\u5236\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory<\/code> \u53c3\u6578\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>maxmemory 2gb<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u8b93Redis\u4f7f\u7528\u66f4\u591a\u7684\u5167\u5b58\u4f86\u5b58\u5132\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u7de9\u5b58\u5df2\u6eff\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-AXVDUrjMdw\">2. \u8abf\u6574\u9a45\u9010\u7b56\u7565<\/h3>\n<p>\u6839\u64da\u61c9\u7528\u5834\u666f\u7684\u4e0d\u540c\uff0c\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u5982\u679c\u4f60\u7684\u61c9\u7528\u5c0d\u65bc\u67d0\u4e9b\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u8f03\u9ad8\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <code>allkeys-lru<\/code> \u7b56\u7565\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u9a45\u9010\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\uff0c\u4fdd\u6301\u71b1\u6578\u64da\u5728\u5167\u5b58\u4e2d\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-AXVDUrjMdw\">3. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u91cb\u653e\u5167\u5b58\u3002\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u53ef\u4ee5\u70ba\u7279\u5b9a\u7684\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 3600<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u88ab\u522a\u9664\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-AXVDUrjMdw\">4. \u512a\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>HASH<\/code> \u4f86\u5b58\u5132\u591a\u500b\u76f8\u95dc\u7684\u9375\u503c\u5c0d\uff0c\u800c\u4e0d\u662f\u70ba\u6bcf\u500b\u9375\u55ae\u7368\u5b58\u5132\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u958b\u92b7\u3002<\/p>\n<pre><code>HSET user:1000 username \"john\" age 30<\/code><\/pre>\n<h3 id=\"5-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a-AXVDUrjMdw\">5. \u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u4f86\u904d\u6b77\u9375\uff0c\u4e26\u6839\u64da\u696d\u52d9\u908f\u8f2f\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SCAN 0 MATCH user:* COUNT 100<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AXVDUrjMdw\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7de9\u5b58\u5df2\u6eff\u7684\u554f\u984c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u89e3\u6c7a\uff0c\u5305\u62ec\u589e\u52a0\u5167\u5b58\u9650\u5236\u3001\u8abf\u6574\u9a45\u9010\u7b56\u7565\u3001\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u512a\u5316\u6578\u64da\u7d50\u69cb\u4ee5\u53ca\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8Redis\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884cRedis\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406Redis\u7de9\u5b58\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u89e3\u6c7aRedis\u7de9\u5b58\u5df2\u6eff\u7684\u554f\u984c\uff0c\u63a2\u7d22\u6700\u4f73\u5be6\u8e10\u548c\u7b56\u7565\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u4e0d\u53d7\u5f71\u97ff\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-174041","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174041","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=174041"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174041\/revisions"}],"predecessor-version":[{"id":174042,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174041\/revisions\/174042"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}