{"id":159889,"date":"2024-11-03T18:30:22","date_gmt":"2024-11-03T10:30:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159889\/"},"modified":"2024-11-03T18:30:24","modified_gmt":"2024-11-03T10:30:24","slug":"redis-%e7%9b%a3%e6%8e%a7-key-%e5%a4%b1%e6%95%88%ef%bc%9a%e7%b4%85%e8%89%b2%e4%b9%8b%e9%96%80%e8%a7%a3%e8%ae%80-redis-%e7%8b%80%e6%85%8b%e4%bf%a1%e6%81%af%e4%b8%ad-key-%e5%a4%b1%e6%95%88%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159889\/","title":{"rendered":"REDIS \u76e3\u63a7 key \u5931\u6548\uff1a\u7d05\u8272\u4e4b\u9580\u89e3\u8b80 Redis \u72c0\u614b\u4fe1\u606f\u4e2d Key \u5931\u6548\u7684\u539f\u56e0"},"content":{"rendered":"<h1 id=\"redis-%e7%9b%a3%e6%8e%a7-key-%e5%a4%b1%e6%95%88%ef%bc%9a%e7%b4%85%e8%89%b2%e4%b9%8b%e9%96%80%e8%a7%a3%e8%ae%80-redis-%e7%8b%80%e6%85%8b%e4%bf%a1%e6%81%af%e4%b8%ad-key-%e5%a4%b1%e6%95%88%e7%9a%84-eaQaYkkERG\">REDIS \u76e3\u63a7 Key \u5931\u6548\uff1a\u7d05\u8272\u4e4b\u9580\u89e3\u8b80 Redis \u72c0\u614b\u4fe1\u606f\u4e2d Key \u5931\u6548\u7684\u539f\u56e0<\/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\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u7136\u800c\uff0cRedis \u7684\u4e00\u500b\u5e38\u898b\u554f\u984c\u662f Key \u7684\u5931\u6548\uff0c\u9019\u53ef\u80fd\u6703\u5c0d\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u9020\u6210\u5f71\u97ff\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u4e2d Key \u5931\u6548\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u76e3\u63a7\u548c\u6392\u67e5\u7684\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-key-%e5%a4%b1%e6%95%88%ef%bc%9f-eaQaYkkERG\">\u4ec0\u9ebc\u662f Redis Key \u5931\u6548\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0cKey \u5931\u6548\u662f\u6307\u67d0\u500b\u5b58\u5132\u5728 Redis \u4e2d\u7684\u6578\u64da\u9805\uff08Key\uff09\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u88ab\u81ea\u52d5\u522a\u9664\u7684\u904e\u7a0b\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\uff08TTL\uff09\u6216\u56e0\u70ba\u5167\u5b58\u9650\u5236\u800c\u89f8\u767c\u7684\u3002\u7576 Key \u5931\u6548\u6642\uff0c\u76f8\u95dc\u7684\u6578\u64da\u5c07\u7121\u6cd5\u518d\u88ab\u8a2a\u554f\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u51fa\u73fe\u932f\u8aa4\u6216\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<h2 id=\"key-%e5%a4%b1%e6%95%88%e7%9a%84%e4%b8%bb%e8%a6%81%e5%8e%9f%e5%9b%a0-eaQaYkkERG\">Key \u5931\u6548\u7684\u4e3b\u8981\u539f\u56e0<\/h2>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88ttl%ef%bc%89-eaQaYkkERG\">1. \u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff08TTL\uff09<\/h3>\n<p>Redis \u5141\u8a31\u7528\u6236\u70ba\u6bcf\u500b Key \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72 Key \u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u500b\u5e38\u898b\u7684\u7528\u6cd5\uff0c\u7279\u5225\u662f\u5728\u7de9\u5b58\u5834\u666f\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET mykey \"Hello\"\nEXPIRE mykey 10<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cKey &#8220;mykey&#8221; \u5c07\u5728 10 \u79d2\u5f8c\u5931\u6548\u3002<\/p>\n<h3 id=\"2-%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-eaQaYkkERG\">2. \u5167\u5b58\u9650\u5236<\/h3>\n<p>Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u7576\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0cRedis \u6703\u6839\u64da\u7279\u5b9a\u7684\u9a45\u9010\u7b56\u7565\uff08\u5982 LRU\u3001LFU \u6216 TTL\uff09\u81ea\u52d5\u522a\u9664\u67d0\u4e9b Key\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u4e00\u4e9b\u91cd\u8981\u7684\u6578\u64da\u88ab\u610f\u5916\u522a\u9664\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory<\/code> \u53c3\u6578\u4f86\u8a2d\u7f6e\u5167\u5b58\u9650\u5236\u3002<\/p>\n<h3 id=\"3-%e6%89%8b%e5%8b%95%e5%88%aa%e9%99%a4-eaQaYkkERG\">3. \u624b\u52d5\u522a\u9664<\/h3>\n<p>\u9664\u4e86\u81ea\u52d5\u5931\u6548\u5916\uff0c\u7528\u6236\u4e5f\u53ef\u4ee5\u901a\u904e\u547d\u4ee4\u624b\u52d5\u522a\u9664 Key\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DEL mykey<\/code><\/pre>\n<p>\u9019\u5c07\u7acb\u5373\u522a\u9664 Key &#8220;mykey&#8221; \u53ca\u5176\u76f8\u95dc\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7-redis-key-%e5%a4%b1%e6%95%88-eaQaYkkERG\">\u5982\u4f55\u76e3\u63a7 Redis Key \u5931\u6548<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5730\u76e3\u63a7 Redis \u4e2d\u7684 Key \u5931\u6548\uff0c\u5efa\u8b70\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 Redis \u76e3\u63a7\u547d\u4ee4\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u4f86\u76e3\u63a7 Key \u7684\u72c0\u614b\uff0c\u4f8b\u5982 <code>INFO<\/code> \u547d\u4ee4\u53ef\u4ee5\u986f\u793a\u7576\u524d\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u548c Key \u7684\u6578\u91cf\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u8b66\u5831\u7cfb\u7d71\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u5982 Redis Sentinel \u6216\u7b2c\u4e09\u65b9\u76e3\u63a7\u5de5\u5177\uff08\u5982 Prometheus \u548c Grafana\uff09\u4f86\u8a2d\u7f6e\u8b66\u5831\uff0c\u7576 Key \u5931\u6548\u7387\u8d85\u904e\u67d0\u500b\u95be\u503c\u6642\u767c\u9001\u901a\u77e5\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u8a18\u9304\uff1a<\/strong>\u901a\u904e\u8a18\u9304 Key \u7684\u64cd\u4f5c\u65e5\u8a8c\uff0c\u53ef\u4ee5\u8ffd\u8e64 Key \u7684\u5275\u5efa\u3001\u8a2a\u554f\u548c\u522a\u9664\u60c5\u6cc1\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u7406\u89e3 Key \u5931\u6548\u7684\u539f\u56e0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-eaQaYkkERG\">\u7d50\u8ad6<\/h2>\n<p>Redis \u4e2d\u7684 Key \u5931\u6548\u662f\u4e00\u500b\u91cd\u8981\u7684\u554f\u984c\uff0c\u4e86\u89e3\u5176\u539f\u56e0\u548c\u76e3\u63a7\u65b9\u6cd5\u5c0d\u65bc\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u4ee5\u53ca\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11 Key \u5931\u6548\u5c0d\u61c9\u7528\u7a0b\u5e8f\u7684\u5f71\u97ff\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u76e3\u63a7\u60a8\u7684\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Redis \u76e3\u63a7\u4e2d Key \u5931\u6548\u7684\u539f\u56e0\uff0c\u900f\u904e\u7d05\u8272\u4e4b\u9580\u6df1\u5165\u89e3\u8b80 Redis \u72c0\u614b\u4fe1\u606f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\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-159889","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159889","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=159889"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159889\/revisions"}],"predecessor-version":[{"id":159890,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159889\/revisions\/159890"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}