{"id":128005,"date":"2024-10-26T10:58:20","date_gmt":"2024-10-26T02:58:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128005\/"},"modified":"2024-10-26T10:58:21","modified_gmt":"2024-10-26T02:58:21","slug":"redis-%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f-key","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128005\/","title":{"rendered":"Redis \u5982\u4f55\u6709\u6548\u6e05\u7406\u904e\u671f Key"},"content":{"rendered":"<h1 id=\"redis-%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f-key-kHkPCRMxKg\">Redis \u5982\u4f55\u6709\u6548\u6e05\u7406\u904e\u671f Key<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u548c\u5373\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5b58\u5132\u5728 Redis \u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u671f\uff0c\u9019\u4e9b\u904e\u671f\u7684\u9375\uff08Key\uff09\u5982\u679c\u4e0d\u53ca\u6642\u6e05\u7406\uff0c\u5c07\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u6e05\u7406\u904e\u671f\u7684\u9375\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%ae%a1%e7%90%86%e6%a9%9f%e5%88%b6-kHkPCRMxKg\">Redis \u7684\u904e\u671f\u9375\u7ba1\u7406\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u9375\u7ba1\u7406\u6a5f\u5236\uff1a\u5b9a\u6642\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002<\/p>\n<h3 id=\"1-%e5%ae%9a%e6%99%82%e5%88%aa%e9%99%a4-kHkPCRMxKg\">1. \u5b9a\u6642\u522a\u9664<\/h3>\n<p>Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u6240\u6709\u7684\u9375\uff0c\u4e26\u522a\u9664\u90a3\u4e9b\u5df2\u7d93\u904e\u671f\u7684\u9375\u3002\u9019\u500b\u904e\u7a0b\u662f\u7531 Redis \u7684\u4e3b\u5faa\u74b0\u9032\u884c\u7684\uff0c\u901a\u5e38\u6bcf 100 \u6beb\u79d2\u6703\u9032\u884c\u4e00\u6b21\u6aa2\u67e5\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u80fd\u5920\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u4fdd\u8b49\u5167\u5b58\u7684\u91cb\u653e\uff0c\u4f46\u7f3a\u9ede\u662f\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u9375\u5728\u4e00\u6bb5\u6642\u9593\u5167\u4ecd\u7136\u5b58\u5728\u65bc\u5167\u5b58\u4e2d\u3002<\/p>\n<h3 id=\"2-%e6%83%b0%e6%80%a7%e5%88%aa%e9%99%a4-kHkPCRMxKg\">2. \u60f0\u6027\u522a\u9664<\/h3>\n<p>\u7576\u5ba2\u6236\u7aef\u8acb\u6c42\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u6703\u7acb\u5373\u522a\u9664\u8a72\u9375\u4e26\u8fd4\u56de nil\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u80fd\u5920\u5373\u6642\u91cb\u653e\u5167\u5b58\uff0c\u4f46\u7f3a\u9ede\u662f\u5982\u679c\u67d0\u4e9b\u904e\u671f\u9375\u9577\u6642\u9593\u672a\u88ab\u8a2a\u554f\uff0c\u5247\u53ef\u80fd\u6703\u4f54\u7528\u5167\u5b58\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%ae%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-kHkPCRMxKg\">\u5982\u4f55\u914d\u7f6e\u904e\u671f\u9375\u7684\u6e05\u7406\u7b56\u7565<\/h2>\n<p>Redis \u5141\u8a31\u7528\u6236\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u6216\u547d\u4ee4\u884c\u53c3\u6578\u4f86\u8abf\u6574\u904e\u671f\u9375\u7684\u6e05\u7406\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u914d\u7f6e\u9078\u9805\uff1a<\/p>\n<ul>\n<li><code>active-expire-effort<\/code>: \u6b64\u53c3\u6578\u63a7\u5236 Redis \u5728\u6bcf\u6b21\u4e3b\u5faa\u74b0\u4e2d\u5617\u8a66\u522a\u9664\u7684\u904e\u671f\u9375\u7684\u6578\u91cf\u3002\u9ed8\u8a8d\u503c\u70ba 1\uff0c\u9019\u610f\u5473\u8457 Redis \u6bcf\u6b21\u6700\u591a\u6703\u522a\u9664 1 \u500b\u904e\u671f\u9375\u3002\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u6b64\u503c\u4ee5\u63d0\u9ad8\u6e05\u7406\u6548\u7387\u3002<\/li>\n<li><code>maxmemory-policy<\/code>: \u6b64\u53c3\u6578\u5b9a\u7fa9\u4e86\u7576 Redis \u7684\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\u7684\u884c\u70ba\u3002\u53ef\u4ee5\u9078\u64c7\u4e0d\u540c\u7684\u7b56\u7565\uff0c\u5982 <code>volatile-lru<\/code>\u3001<code>allkeys-lru<\/code> \u7b49\uff0c\u9019\u4e9b\u7b56\u7565\u6703\u5f71\u97ff\u904e\u671f\u9375\u7684\u522a\u9664\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e6%89%8b%e5%8b%95%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e9%8d%b5-kHkPCRMxKg\">\u4f7f\u7528\u547d\u4ee4\u624b\u52d5\u6e05\u7406\u904e\u671f\u9375<\/h2>\n<p>\u9664\u4e86\u81ea\u52d5\u6e05\u7406\uff0cRedis \u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u4f86\u624b\u52d5\u6e05\u7406\u904e\u671f\u9375\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u4f86\u67e5\u8a62\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u9375\u3002<\/p>\n<pre><code>SET mykey \"value\"\nEXPIRE mykey 10  # \u8a2d\u7f6e mykey \u5728 10 \u79d2\u5f8c\u904e\u671f\nTTL mykey         # \u67e5\u8a62 mykey \u7684\u5269\u9918\u751f\u5b58\u6642\u9593\nDEL mykey        # \u624b\u52d5\u522a\u9664 mykey\n<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%9a%84%e6%83%85%e6%b3%81-kHkPCRMxKg\">\u76e3\u63a7\u904e\u671f\u9375\u7684\u60c5\u6cc1<\/h2>\n<p>\u70ba\u4e86\u66f4\u597d\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u5efa\u8b70\u4f7f\u7528 Redis \u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5982 <code>MONITOR<\/code> \u547d\u4ee4\uff0c\u4f86\u89c0\u5bdf\u904e\u671f\u9375\u7684\u522a\u9664\u60c5\u6cc1\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u8abf\u6574\u904e\u671f\u9375\u7684\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-kHkPCRMxKg\">\u7d50\u8ad6<\/h2>\n<p>\u6709\u6548\u6e05\u7406\u904e\u671f\u9375\u662f\u78ba\u4fdd Redis \u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u904e\u671f\u9375\u7684\u6e05\u7406\u7b56\u7565\u3001\u4f7f\u7528\u624b\u52d5\u547d\u4ee4\u4ee5\u53ca\u76e3\u63a7\u904e\u671f\u9375\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8 Redis \u7684\u904b\u884c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Redis \u4e2d\u6709\u6548\u6e05\u7406\u904e\u671f Key\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u7ba1\u7406\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u6d41\u66a2\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-128005","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128005","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=128005"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128005\/revisions"}],"predecessor-version":[{"id":128006,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128005\/revisions\/128006"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}