{"id":128431,"date":"2024-10-26T14:06:19","date_gmt":"2024-10-26T06:06:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128431\/"},"modified":"2024-10-26T14:06:20","modified_gmt":"2024-10-26T06:06:20","slug":"redis-%e5%af%a6%e7%8f%be%e8%ae%80%e5%af%ab%e9%9b%99%e4%b8%80%e8%87%b4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128431\/","title":{"rendered":"Redis \u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e8%ae%80%e5%af%ab%e9%9b%99%e4%b8%80%e8%87%b4-nsVlrOcHXW\">Redis \u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u662f\u61c9\u7528\u7a0b\u5e8f\u8a2d\u8a08\u4e2d\u7684\u91cd\u8981\u8003\u91cf\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u5be6\u73fe\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u8b80\u5beb\u64cd\u4f5c\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%ae%80%e5%af%ab%e9%9b%99%e4%b8%80%e8%87%b4%ef%bc%9f-nsVlrOcHXW\">\u4ec0\u9ebc\u662f\u8b80\u5beb\u96d9\u4e00\u81f4\uff1f<\/h2>\n<p>\u8b80\u5beb\u96d9\u4e00\u81f4\u662f\u6307\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u78ba\u4fdd\u8b80\u53d6\u7684\u6578\u64da\u8207\u5beb\u5165\u7684\u6578\u64da\u4fdd\u6301\u4e00\u81f4\u7684\u72c0\u614b\u3002\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u7528\u6236\u5beb\u5165\u6578\u64da\u5f8c\uff0c\u5176\u4ed6\u7528\u6236\u5728\u8b80\u53d6\u8a72\u6578\u64da\u6642\uff0c\u61c9\u8a72\u80fd\u5920\u7372\u5f97\u6700\u65b0\u7684\u6578\u64da\u72c0\u614b\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5373\u6642\u6578\u64da\u66f4\u65b0\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\uff0c\u4f8b\u5982\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u548c\u793e\u4ea4\u5a92\u9ad4\u7db2\u7ad9\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e6%a8%a1%e5%9e%8b-nsVlrOcHXW\">Redis \u7684\u6578\u64da\u4e00\u81f4\u6027\u6a21\u578b<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u4e00\u81f4\u6027\u6a21\u578b\uff0c\u5305\u62ec\u4e3b\u5f9e\u8907\u88fd\u548c\u54e8\u5175\u6a21\u5f0f\u3002\u9019\u4e9b\u6a21\u578b\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u4e0d\u540c\u7684\u5834\u666f\u4e2d\u9078\u64c7\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h3 id=\"%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-nsVlrOcHXW\">\u4e3b\u5f9e\u8907\u88fd<\/h3>\n<p>\u5728\u4e3b\u5f9e\u8907\u88fd\u6a21\u5f0f\u4e2d\uff0cRedis \u5141\u8a31\u4e00\u500b\u4e3b\u7bc0\u9ede\u548c\u591a\u500b\u5f9e\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u6578\u64da\u8907\u88fd\u3002\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u8655\u7406\u6240\u6709\u7684\u5beb\u5165\u8acb\u6c42\uff0c\u800c\u5f9e\u7bc0\u9ede\u5247\u7528\u65bc\u8b80\u53d6\u8acb\u6c42\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/p>\n<pre><code>redis-cli&gt; SET key \"value\"  # \u5728\u4e3b\u7bc0\u9ede\u4e0a\u5beb\u5165\u6578\u64da\nredis-cli&gt; GET key  # \u5728\u5f9e\u7bc0\u9ede\u4e0a\u8b80\u53d6\u6578\u64da\n<\/code><\/pre>\n<p>\u70ba\u4e86\u78ba\u4fdd\u8b80\u53d6\u5230\u6700\u65b0\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u5f37\u5236\u5f9e\u7bc0\u9ede\u91cd\u65b0\u540c\u6b65\uff1a\u5728\u8b80\u53d6\u4e4b\u524d\uff0c\u5f37\u5236\u5f9e\u7bc0\u9ede\u8207\u4e3b\u7bc0\u9ede\u9032\u884c\u540c\u6b65\u3002<\/li>\n<li>\u4f7f\u7528\u8b80\u5beb\u5206\u96e2\uff1a\u6839\u64da\u696d\u52d9\u9700\u6c42\uff0c\u5c07\u8b80\u53d6\u8acb\u6c42\u767c\u9001\u5230\u4e3b\u7bc0\u9ede\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%93%a8%e5%85%b5%e6%a8%a1%e5%bc%8f-nsVlrOcHXW\">\u54e8\u5175\u6a21\u5f0f<\/h3>\n<p>\u54e8\u5175\u6a21\u5f0f\u662f Redis \u63d0\u4f9b\u7684\u4e00\u7a2e\u9ad8\u53ef\u7528\u6027\u89e3\u6c7a\u65b9\u6848\u3002\u5b83\u80fd\u5920\u76e3\u63a7\u4e3b\u5f9e\u7bc0\u9ede\u7684\u72c0\u614b\uff0c\u4e26\u5728\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\u81ea\u52d5\u9032\u884c\u6545\u969c\u8f49\u79fb\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<pre><code>sentinel monitor mymaster 127.0.0.1 6379 2\nsentinel failover mymaster\n<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e8%ae%80%e5%af%ab%e9%9b%99%e4%b8%80%e8%87%b4%e7%9a%84%e7%ad%96%e7%95%a5-nsVlrOcHXW\">\u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>Redis \u652f\u6301\u4e8b\u52d9\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904e MULTI \u548c EXEC \u547d\u4ee4\u4f86\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528 Lua \u8173\u672c\uff1a<\/strong>\u901a\u904e Lua \u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u8d77\uff0c\u78ba\u4fdd\u5b83\u5011\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u5e72\u64fe\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7248\u672c\u865f\uff1a<\/strong>\u5728\u6bcf\u6b21\u5beb\u5165\u6642\uff0c\u589e\u52a0\u7248\u672c\u865f\uff0c\u4e26\u5728\u8b80\u53d6\u6642\u6aa2\u67e5\u7248\u672c\u865f\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-nsVlrOcHXW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Lua \u8173\u672c\u4f86\u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>local current_value = redis.call(\"GET\", KEYS[1])\nif current_value == ARGV[1] then\n    return redis.call(\"SET\", KEYS[1], ARGV[2])\nelse\n    return nil\nend\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u53ea\u6709\u7576\u7576\u524d\u503c\u8207\u9810\u671f\u503c\u76f8\u7b26\u6642\uff0c\u624d\u6703\u9032\u884c\u5beb\u5165\u64cd\u4f5c\uff0c\u5f9e\u800c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-nsVlrOcHXW\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\u662f\u4e00\u500b\u6311\u6230\uff0c\u4f46 Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u7b56\u7565\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u9054\u6210\u9019\u4e00\u76ee\u6a19\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u4e3b\u5f9e\u8907\u88fd\u3001\u54e8\u5175\u6a21\u5f0f\u3001\u4e8b\u52d9\u3001Lua \u8173\u672c\u7b49\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u8b80\u5beb\u96d9\u4e00\u81f4\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9ad8\u6548\u6027\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\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-128431","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128431","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=128431"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128431\/revisions"}],"predecessor-version":[{"id":128432,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128431\/revisions\/128432"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}