{"id":159043,"date":"2024-11-03T11:03:19","date_gmt":"2024-11-03T03:03:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159043\/"},"modified":"2024-11-03T11:03:20","modified_gmt":"2024-11-03T03:03:20","slug":"%e7%b4%85%e8%89%b2%e5%af%b6%e7%9f%b3%e7%86%b1%e9%bb%9e-key-%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7%ef%bc%88redis-%e7%86%b1%e9%bb%9e-key-%e5%84%aa%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159043\/","title":{"rendered":"\u7d05\u8272\u5bf6\u77f3\u71b1\u9ede Key \u512a\u5316\u6280\u5de7\uff08Redis \u71b1\u9ede Key \u512a\u5316\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e5%af%b6%e7%9f%b3%e7%86%b1%e9%bb%9e-key-%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7%ef%bc%88redis-%e7%86%b1%e9%bb%9e-key-%e5%84%aa%e5%8c%96%ef%bc%89-rMGnWkEnSd\">\u7d05\u8272\u5bf6\u77f3\u71b1\u9ede Key \u512a\u5316\u6280\u5de7\uff08Redis \u71b1\u9ede Key \u512a\u5316\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u91cf\u7684\u589e\u52a0\u548c\u6578\u64da\u7684\u589e\u9577\uff0cRedis \u4e2d\u7684\u71b1\u9ede Key \u554f\u984c\u9010\u6f38\u986f\u73fe\uff0c\u9019\u5c0d\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u9020\u6210\u4e86\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u7d05\u8272\u5bf6\u77f3\u71b1\u9ede Key \u7684\u512a\u5316\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%86%b1%e9%bb%9e-key%ef%bc%9f-rMGnWkEnSd\">\u4ec0\u9ebc\u662f\u71b1\u9ede Key\uff1f<\/h2>\n<p>\u71b1\u9ede Key \u662f\u6307\u5728 Redis \u4e2d\u88ab\u983b\u7e41\u8a2a\u554f\u7684\u9375\uff0c\u9019\u4e9b\u9375\u7684\u8a2a\u554f\u91cf\u9060\u9ad8\u65bc\u5176\u4ed6\u9375\u3002\u7576\u591a\u500b\u8acb\u6c42\u540c\u6642\u8a2a\u554f\u540c\u4e00\u500b\u71b1\u9ede Key \u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4 Redis \u7684\u6027\u80fd\u74f6\u9838\uff0c\u751a\u81f3\u5f15\u767c\u670d\u52d9\u5668\u5d29\u6f70\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u4e2d\u5c24\u70ba\u660e\u986f\uff0c\u7279\u5225\u662f\u5728\u96fb\u5546\u3001\u793e\u4ea4\u5a92\u9ad4\u7b49\u5834\u666f\u4e2d\u3002<\/p>\n<h2 id=\"%e7%86%b1%e9%bb%9e-key-%e7%9a%84%e6%88%90%e5%9b%a0-rMGnWkEnSd\">\u71b1\u9ede Key \u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u4e0d\u5747\u8861\u7684\u6578\u64da\u8a2a\u554f\uff1a<\/strong>\u67d0\u4e9b\u6578\u64da\u56e0\u70ba\u696d\u52d9\u9700\u6c42\u800c\u88ab\u983b\u7e41\u8a2a\u554f\uff0c\u5c0e\u81f4\u8a2a\u554f\u91cf\u4e0d\u5747\u8861\u3002<\/li>\n<li><strong>\u4e0d\u5408\u7406\u7684\u6578\u64da\u8a2d\u8a08\uff1a<\/strong>\u5982\u679c\u6578\u64da\u6a21\u578b\u8a2d\u8a08\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u67d0\u4e9b Key \u6210\u70ba\u71b1\u9ede\u3002<\/li>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c0d\u540c\u4e00 Key \u7684\u8acb\u6c42\u6703\u96c6\u4e2d\u5728\u77ed\u6642\u9593\u5167\u5230\u9054\uff0c\u9020\u6210\u71b1\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e7%86%b1%e9%bb%9e-key-%e7%9a%84%e6%8a%80%e5%b7%a7-rMGnWkEnSd\">\u512a\u5316\u71b1\u9ede Key \u7684\u6280\u5de7<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%88%86%e7%89%87-rMGnWkEnSd\">1. \u6578\u64da\u5206\u7247<\/h3>\n<p>\u5c07\u6578\u64da\u9032\u884c\u5206\u7247\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5c07\u71b1\u9ede Key \u7684\u6578\u64da\u5206\u6563\u5230\u591a\u500b Redis \u5be6\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u55ae\u500b\u5be6\u4f8b\u7684\u8ca0\u64d4\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u7528\u6236 ID \u6216\u5176\u4ed6\u6a19\u8b58\u7b26\u5c07\u6578\u64da\u5206\u7247\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5c0d\u55ae\u4e00 Key \u7684\u8a2a\u554f\u58d3\u529b\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u6709\u4e00\u500b\u7528\u6236\u6578\u64da\u7684 Redis \u9375\nSET user:1001 \"User Data 1\"\nSET user:1002 \"User Data 2\"\n# \u5c07\u7528\u6236\u6578\u64da\u5206\u7247\u5230\u4e0d\u540c\u7684 Redis \u5be6\u4f8b\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e7%a9%bf%e9%80%8f%e6%8a%80%e8%a1%93-rMGnWkEnSd\">2. \u4f7f\u7528\u7de9\u5b58\u7a7f\u900f\u6280\u8853<\/h3>\n<p>\u7de9\u5b58\u7a7f\u900f\u662f\u6307\u8acb\u6c42\u76f4\u63a5\u5230\u9054\u5f8c\u7aef\u6578\u64da\u5eab\u800c\u7e5e\u904e\u7de9\u5b58\u7684\u60c5\u6cc1\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668\u4f86\u6aa2\u67e5\u8acb\u6c42\u7684\u5408\u6cd5\u6027\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u71b1\u9ede Key \u7684\u8acb\u6c42\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668\u6aa2\u67e5\u7528\u6236 ID \u662f\u5426\u5b58\u5728\nif (bloomFilter.mightContain(userId)) {\n    \/\/ \u67e5\u8a62 Redis\n} else {\n    \/\/ \u8fd4\u56de\u7a7a\u7d50\u679c\n}\n<\/code><\/pre>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e5%92%8c%e7%86%94%e6%96%b7-rMGnWkEnSd\">3. \u9650\u6d41\u548c\u7194\u65b7<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u901a\u904e\u9650\u6d41\u548c\u7194\u65b7\u6280\u8853\u4f86\u63a7\u5236\u5c0d\u71b1\u9ede Key \u7684\u8a2a\u554f\u983b\u7387\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5c0d Redis \u7684\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u964d\u4f4e\u71b1\u9ede Key \u7684\u58d3\u529b\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528\u4ee4\u724c\u6876\u7b97\u6cd5\u9032\u884c\u9650\u6d41\nif (rateLimiter.tryAcquire()) {\n    \/\/ \u5141\u8a31\u8a2a\u554f\n} else {\n    \/\/ \u62d2\u7d55\u8a2a\u554f\n}\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-rMGnWkEnSd\">4. \u6578\u64da\u904e\u671f\u7b56\u7565<\/h3>\n<p>\u5c0d\u65bc\u67d0\u4e9b\u4e0d\u9700\u8981\u9577\u671f\u4fdd\u5b58\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5b9a\u671f\u6e05\u7406\u71b1\u9ede Key\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11 Redis \u4e2d\u7684\u6578\u64da\u91cf\uff0c\u964d\u4f4e\u71b1\u9ede Key \u7684\u5f71\u97ff\u3002<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\nEXPIRE user:1001 3600  # 1\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-rMGnWkEnSd\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316 Redis \u4e2d\u7684\u71b1\u9ede Key \u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u63aa\u65bd\u3002\u901a\u904e\u6578\u64da\u5206\u7247\u3001\u7de9\u5b58\u7a7f\u900f\u6280\u8853\u3001\u9650\u6d41\u548c\u7194\u65b7\u3001\u4ee5\u53ca\u6578\u64da\u904e\u671f\u7b56\u7565\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u71b1\u9ede Key \u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u3002\u96a8\u8457\u696d\u52d9\u7684\u767c\u5c55\uff0c\u6301\u7e8c\u76e3\u63a7\u548c\u512a\u5316 Redis \u7684\u4f7f\u7528\u5c07\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\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\u7d05\u8272\u5bf6\u77f3\u71b1\u9ede Key \u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347 Redis \u6548\u80fd\uff0c\u6e1b\u5c11\u71b1\u9ede\u554f\u984c\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u8207\u9ad8\u6548\u904b\u884c\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-159043","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159043","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=159043"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159043\/revisions"}],"predecessor-version":[{"id":159044,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159043\/revisions\/159044"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159043"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}