{"id":98328,"date":"2024-10-21T01:41:21","date_gmt":"2024-10-20T17:41:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98328\/"},"modified":"2024-10-21T01:41:21","modified_gmt":"2024-10-20T17:41:21","slug":"redis-%e8%99%95%e7%90%86%e6%b5%b7%e9%87%8f-key-%e7%9a%84%e6%8c%91%e6%88%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98328\/","title":{"rendered":"Redis \u8655\u7406\u6d77\u91cf Key \u7684\u6311\u6230"},"content":{"rendered":"<h1 id=\"redis-%e8%99%95%e7%90%86%e6%b5%b7%e9%87%8f-key-%e7%9a%84%e6%8c%91%e6%88%b0-gmWThUhSET\">Redis \u8655\u7406\u6d77\u91cf Key \u7684\u6311\u6230<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\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\u5206\u6790\u3002\u7136\u800c\uff0c\u7576\u9762\u5c0d\u6d77\u91cf\u7684\u9375\u6642\uff0cRedis \u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u6703\u9762\u81e8\u4e00\u7cfb\u5217\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e9b\u6311\u6230\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"1-%e9%8d%b5%e7%9a%84%e6%95%b8%e9%87%8f%e8%88%87%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-gmWThUhSET\">1. \u9375\u7684\u6578\u91cf\u8207\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis \u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u9019\u610f\u5473\u8457\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728 RAM \u4e2d\u3002\u7576\u9375\u7684\u6578\u91cf\u9054\u5230\u6578\u767e\u842c\u751a\u81f3\u6578\u5341\u5104\u6642\uff0c\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u5c07\u6210\u70ba\u4e00\u500b\u91cd\u8981\u554f\u984c\u3002\u6bcf\u500b\u9375\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u5167\u5b58\u4f86\u5b58\u5132\u5176\u5143\u6578\u64da\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u5167\u5b58\u7684\u5feb\u901f\u6d88\u8017\u3002<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u788e\u7247\u5316\uff1a<\/strong>\u96a8\u8457\u9375\u7684\u589e\u9577\uff0c\u5167\u5b58\u788e\u7247\u5316\u554f\u984c\u53ef\u80fd\u6703\u8b8a\u5f97\u66f4\u52a0\u56b4\u91cd\uff0c\u9019\u6703\u5f71\u97ff Redis \u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236\uff1a<\/strong>\u5982\u679c\u8d85\u904e\u4e86\u53ef\u7528\u5167\u5b58\uff0cRedis \u5c07\u7121\u6cd5\u518d\u5b58\u5132\u65b0\u7684\u9375\uff0c\u9019\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u51fa\u73fe\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e9%8d%b5%e7%9a%84%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87-gmWThUhSET\">2. \u9375\u7684\u67e5\u8a62\u6548\u7387<\/h2>\n<p>\u5728\u6d77\u91cf\u9375\u7684\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u96d6\u7136 Redis \u63d0\u4f9b\u4e86 O(1) \u7684\u67e5\u8a62\u6642\u9593\uff0c\u4f46\u7576\u9375\u7684\u6578\u91cf\u904e\u591a\u6642\uff0c\u67d0\u4e9b\u64cd\u4f5c\uff08\u5982\u6383\u63cf\u9375\uff09\u53ef\u80fd\u6703\u8b8a\u5f97\u7de9\u6162\u3002<\/p>\n<pre><code>SCAN \u547d\u4ee4\u793a\u4f8b\uff1a\nSCAN 0 MATCH user:* COUNT 100\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u9010\u6b65\u6383\u63cf\u6240\u6709\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684\u9375\uff0c\u4f46\u5728\u9375\u7684\u6578\u91cf\u975e\u5e38\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u6a23\u7684\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e6%8c%81%e4%b9%85%e5%8c%96%e7%9a%84%e6%8c%91%e6%88%b0-gmWThUhSET\">3. \u6578\u64da\u6301\u4e45\u5316\u7684\u6311\u6230<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u4f46\u5728\u8655\u7406\u6d77\u91cf\u9375\u6642\uff0c\u6301\u4e45\u5316\u904e\u7a0b\u53ef\u80fd\u6703\u8b8a\u5f97\u975e\u5e38\u8017\u6642\uff0c\u751a\u81f3\u5c0e\u81f4\u670d\u52d9\u5668\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<ul>\n<li><strong>RDB\uff08\u5feb\u7167\uff09\uff1a<\/strong>\u5728\u9032\u884c\u5feb\u7167\u6642\uff0cRedis \u9700\u8981\u5c07\u6240\u6709\u6578\u64da\u5beb\u5165\u78c1\u789f\uff0c\u9019\u5728\u6578\u64da\u91cf\u9f90\u5927\u6642\u6703\u5c0e\u81f4\u5ef6\u9072\u3002<\/li>\n<li><strong>AOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\uff1a<\/strong>\u6bcf\u6b21\u5beb\u5165\u64cd\u4f5c\u90fd\u6703\u88ab\u8ffd\u52a0\u5230 AOF \u6587\u4ef6\u4e2d\uff0c\u9019\u5728\u9ad8\u983b\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\u6703\u5c0e\u81f4\u6587\u4ef6\u589e\u9577\u8fc5\u901f\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e8%88%87%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1-gmWThUhSET\">4. \u6578\u64da\u4e00\u81f4\u6027\u8207\u5206\u4f48\u5f0f\u7cfb\u7d71<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\uff0cRedis \u7684\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u4e5f\u4e0d\u5bb9\u5ffd\u8996\u3002\u7576\u9375\u7684\u6578\u91cf\u6975\u5927\u6642\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u7684\u4e00\u81f4\u6027\u6210\u70ba\u4e00\u500b\u6311\u6230\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u5f9e\u8907\u88fd\uff1a<\/strong>\u5728\u4e3b\u5f9e\u67b6\u69cb\u4e2d\uff0c\u4e3b\u7bc0\u9ede\u7684\u5beb\u5165\u64cd\u4f5c\u9700\u8981\u540c\u6b65\u5230\u5f9e\u7bc0\u9ede\uff0c\u9019\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u53ef\u80fd\u5c0e\u81f4\u5ef6\u9072\u3002<\/li>\n<li><strong>\u5206\u7247\uff1a<\/strong>\u4f7f\u7528 Redis Cluster \u9032\u884c\u6578\u64da\u5206\u7247\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u7ba1\u7406\u7684\u8907\u96dc\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e8%88%87%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-gmWThUhSET\">5. \u89e3\u6c7a\u65b9\u6848\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5730\u8655\u7406\u6d77\u91cf\u9375\u7684\u6311\u6230\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\u7684\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4f8b\u5982\u4f7f\u7528 Hash \u4f86\u5b58\u5132\u76f8\u95dc\u7684\u9375\u503c\u5c0d\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\uff1a<\/strong>\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u6216\u5b9a\u671f\u6e05\u7406\u7121\u7528\u7684\u9375\u4f86\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<li><strong>\u512a\u5316\u6301\u4e45\u5316\u7b56\u7565\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u4e26\u8abf\u6574\u76f8\u95dc\u53c3\u6578\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8207\u8abf\u512a\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e64\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u4ee5\u61c9\u5c0d\u8b8a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gmWThUhSET\">\u7e3d\u7d50<\/h2>\n<p>Redis \u5728\u8655\u7406\u6d77\u91cf\u9375\u6642\u9762\u81e8\u8457\u5167\u5b58\u7ba1\u7406\u3001\u67e5\u8a62\u6548\u7387\u3001\u6578\u64da\u6301\u4e45\u5316\u548c\u4e00\u81f4\u6027\u7b49\u591a\u65b9\u9762\u7684\u6311\u6230\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3001\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\u3001\u512a\u5316\u6301\u4e45\u5316\u7b56\u7565\u4ee5\u53ca\u9032\u884c\u6709\u6548\u7684\u76e3\u63a7\u8207\u8abf\u512a\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347 Redis \u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u5728\u8655\u7406\u6d77\u91cf Key \u6642\u9762\u81e8\u7684\u6311\u6230\uff0c\u5305\u62ec\u6027\u80fd\u74f6\u9838\u3001\u8a18\u61b6\u9ad4\u7ba1\u7406\u548c\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\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-98328","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98328","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=98328"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98328\/revisions"}],"predecessor-version":[{"id":98329,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98328\/revisions\/98329"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}