{"id":106897,"date":"2024-10-23T15:04:55","date_gmt":"2024-10-23T07:04:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/106897\/"},"modified":"2024-10-23T15:04:56","modified_gmt":"2024-10-23T07:04:56","slug":"redis-%e6%a0%b8%e5%bf%83%e6%8a%80%e8%a1%93%e5%8f%8a%e5%af%a6%e6%88%b0%e6%94%bb%e7%95%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/106897\/","title":{"rendered":"Redis \u6838\u5fc3\u6280\u8853\u53ca\u5be6\u6230\u653b\u7565"},"content":{"rendered":"<h1 id=\"redis-%e6%a0%b8%e5%bf%83%e6%8a%80%e8%a1%93%e5%8f%8a%e5%af%a6%e6%88%b0%e6%94%bb%e7%95%a5-nLHHgBiUPs\">Redis \u6838\u5fc3\u6280\u8853\u53ca\u5be6\u6230\u653b\u7565<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u5b83\u4e0d\u50c5\u63d0\u4f9b\u4e86\u6975\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0c\u9084\u5177\u5099\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u8c50\u5bcc\u7684\u529f\u80fd\uff0c\u9069\u5408\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u3001\u5be6\u6642\u5206\u6790\u7b49\u591a\u7a2e\u5834\u666f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u6838\u5fc3\u6280\u8853\u53ca\u5176\u5be6\u6230\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%a0%b8%e5%bf%83%e6%8a%80%e8%a1%93-nLHHgBiUPs\">Redis \u7684\u6838\u5fc3\u6280\u8853<\/h2>\n<h3 id=\"1-%e9%8d%b5%e5%80%bc%e5%ad%98%e5%84%b2-nLHHgBiUPs\">1. \u9375\u503c\u5b58\u5132<\/h3>\n<p>Redis \u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\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\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u4f7f\u5f97 Redis \u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002<\/p>\n<h3 id=\"2-%e6%8c%81%e4%b9%85%e5%8c%96%e6%a9%9f%e5%88%b6-nLHHgBiUPs\">2. \u6301\u4e45\u5316\u6a5f\u5236<\/h3>\n<p>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u5169\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff1aRDB\uff08\u5feb\u7167\uff09\u548c AOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\u3002RDB \u6703\u5b9a\u671f\u5c07\u6578\u64da\u5feb\u7167\u4fdd\u5b58\u5230\u78c1\u789f\uff0c\u800c AOF \u5247\u6703\u8a18\u9304\u6240\u6709\u5beb\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u91cd\u555f\u6642\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h3 id=\"3-%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7%e8%88%87%e5%88%86%e4%bd%88%e5%bc%8f-nLHHgBiUPs\">3. \u9ad8\u53ef\u7528\u6027\u8207\u5206\u4f48\u5f0f<\/h3>\n<p>Redis \u652f\u6301\u4e3b\u5f9e\u8907\u88fd\u548c\u54e8\u5175\u6a21\u5f0f\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3002\u4e3b\u5f9e\u8907\u88fd\u5141\u8a31\u6578\u64da\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u540c\u6b65\uff0c\u800c\u54e8\u5175\u6a21\u5f0f\u5247\u80fd\u5920\u81ea\u52d5\u76e3\u63a7\u548c\u6545\u969c\u8f49\u79fb\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h3 id=\"4-%e4%ba%8b%e5%8b%99%e6%94%af%e6%8c%81-nLHHgBiUPs\">4. \u4e8b\u52d9\u652f\u6301<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u4e8b\u52d9\u652f\u6301\uff0c\u5141\u8a31\u591a\u500b\u547d\u4ee4\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u57f7\u884c\u3002\u9019\u662f\u901a\u904e MULTI\u3001EXEC\u3001WATCH \u7b49\u547d\u4ee4\u4f86\u5be6\u73fe\u7684\uff0c\u80fd\u5920\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%af%a6%e6%88%b0%e6%94%bb%e7%95%a5-nLHHgBiUPs\">Redis \u7684\u5be6\u6230\u653b\u7565<\/h2>\n<h3 id=\"1-%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-nLHHgBiUPs\">1. \u7de9\u5b58\u7b56\u7565<\/h3>\n<p>\u5728 Web \u61c9\u7528\u4e2d\uff0c\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u5c64\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u5e38\u898b\u7684\u7de9\u5b58\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09<\/strong>\uff1a\u7576\u7de9\u5b58\u6eff\u6642\uff0c\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002<\/li>\n<li><strong>TTL\uff08\u751f\u5b58\u6642\u9593\uff09<\/strong>\uff1a\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u81ea\u52d5\u522a\u9664\u904e\u671f\u6578\u64da\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-nLHHgBiUPs\">2. \u6d88\u606f\u968a\u5217<\/h3>\n<p>Redis \u7684\u5217\u8868\u7d50\u69cb\u53ef\u4ee5\u7528\u4f5c\u6d88\u606f\u968a\u5217\u3002\u4f7f\u7528 LPUSH \u548c RPOP \u547d\u4ee4\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u751f\u7522\u8005-\u6d88\u8cbb\u8005\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>LPUSH queue_name \"message1\"\nLPUSH queue_name \"message2\"\nRPOP queue_name  \/\/ \u53d6\u51fa\u6d88\u606f\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-nLHHgBiUPs\">3. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h3>\n<p>\u5229\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u5be6\u73fe\u5be6\u6642\u6578\u64da\u5206\u6790\u3002\u4f8b\u5982\uff0c\u5c0d\u7528\u6236\u884c\u70ba\u9032\u884c\u8a08\u6578\u548c\u6392\u540d\uff1a<\/p>\n<pre><code>ZINCRBY user_activity \"user1\" 1  \/\/ \u589e\u52a0\u7528\u62361\u7684\u884c\u70ba\u8a08\u6578\nZREVRANGE user_activity 0 9 WITHSCORES  \/\/ \u7372\u53d6\u524d10\u540d\u7528\u6236\n<\/code><\/pre>\n<h3 id=\"4-%e5%88%86%e4%bd%88%e5%bc%8f%e9%8e%96-nLHHgBiUPs\">4. \u5206\u4f48\u5f0f\u9396<\/h3>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0cRedis \u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u9396\u6a5f\u5236\uff0c\u9632\u6b62\u8cc7\u6e90\u7af6\u722d\u3002\u53ef\u4ee5\u4f7f\u7528 SETNX \u547d\u4ee4\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9396\uff1a<\/p>\n<pre><code>SETNX lock_key \"lock_value\"  \/\/ \u5617\u8a66\u7372\u53d6\u9396\nEXPIRE lock_key 30  \/\/ \u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nLHHgBiUPs\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u5099\u591a\u7a2e\u6838\u5fc3\u6280\u8853\u548c\u9748\u6d3b\u7684\u61c9\u7528\u5834\u666f\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u9084\u662f\u5be6\u6642\u6578\u64da\u5206\u6790\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\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\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u642d\u914d Redis\uff0c\u5c07\u80fd\u5920\u5927\u5e45\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u6838\u5fc3\u6280\u8853\u8207\u5be6\u6230\u653b\u7565\uff0c\u638c\u63e1\u9ad8\u6548\u6578\u64da\u5b58\u5132\u8207\u7ba1\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u64f4\u5c55\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-106897","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/106897","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=106897"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/106897\/revisions"}],"predecessor-version":[{"id":106898,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/106897\/revisions\/106898"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=106897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=106897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=106897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}