{"id":124907,"date":"2024-10-25T18:11:18","date_gmt":"2024-10-25T10:11:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124907\/"},"modified":"2024-10-25T18:11:18","modified_gmt":"2024-10-25T10:11:18","slug":"redis-%e7%9b%a3%e6%8e%a7%e6%b4%9e%e5%af%9f%e5%bf%ab%e5%8f%96%e4%b8%ad%e7%9a%84%e7%86%b1%e9%bb%9e-key","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124907\/","title":{"rendered":"Redis \u76e3\u63a7\u6d1e\u5bdf\u5feb\u53d6\u4e2d\u7684\u71b1\u9ede Key"},"content":{"rendered":"<h1 id=\"redis-%e7%9b%a3%e6%8e%a7%e6%b4%9e%e5%af%9f%e5%bf%ab%e5%8f%96%e4%b8%ad%e7%9a%84%e7%86%b1%e9%bb%9e-key-gxbdgaroQU\">Redis \u76e3\u63a7\u6d1e\u5bdf\u5feb\u53d6\u4e2d\u7684\u71b1\u9ede Key<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u76e3\u63a7\u548c\u7ba1\u7406 Redis \u4e2d\u7684\u71b1\u9ede Key \u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%86%b1%e9%bb%9e-key%ef%bc%9f-gxbdgaroQU\">\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\u3002\u9019\u4e9b\u9375\u7684\u9ad8\u8a2a\u554f\u983b\u7387\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u6642\u9593\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5047\u8a2d\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u7684\u71b1\u9580\u5546\u54c1 ID \u88ab\u5927\u91cf\u7528\u6236\u540c\u6642\u67e5\u8a62\uff0c\u9019\u5c07\u5c0e\u81f4\u8a72\u5546\u54c1\u7684 Key \u6210\u70ba\u71b1\u9ede Key\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e7%9b%a3%e6%8e%a7%e7%86%b1%e9%bb%9e-key-%e9%87%8d%e8%a6%81%ef%bc%9f-gxbdgaroQU\">\u70ba\u4ec0\u9ebc\u76e3\u63a7\u71b1\u9ede Key \u91cd\u8981\uff1f<\/h2>\n<p>\u76e3\u63a7\u71b1\u9ede Key \u7684\u91cd\u8981\u6027\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u8b58\u5225\u71b1\u9ede Key\uff0c\u53ef\u4ee5\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\uff0c\u6e1b\u5c11\u7cfb\u7d71\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u4e86\u89e3\u54ea\u4e9b Key \u662f\u71b1\u9ede\uff0c\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5206\u914d\u8cc7\u6e90\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u6545\u969c\u6392\u67e5\uff1a<\/strong>\u5728\u7cfb\u7d71\u51fa\u73fe\u6027\u80fd\u554f\u984c\u6642\uff0c\u71b1\u9ede Key \u7684\u76e3\u63a7\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e7%9a%84%e7%86%b1%e9%bb%9e-key-gxbdgaroQU\">\u5982\u4f55\u76e3\u63a7 Redis \u4e2d\u7684\u71b1\u9ede Key<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u7684\u71b1\u9ede Key \u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e5%85%a7%e5%bb%ba%e5%91%bd%e4%bb%a4-gxbdgaroQU\">1. \u4f7f\u7528 Redis \u7684\u5167\u5efa\u547d\u4ee4<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u547d\u4ee4\u4f86\u5e6b\u52a9\u76e3\u63a7 Key \u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>MONITOR<\/code> \u547d\u4ee4\u53ef\u4ee5\u5be6\u6642\u67e5\u770b\u6240\u6709\u7684\u8acb\u6c42\uff0c\u96d6\u7136\u9019\u6703\u589e\u52a0\u7cfb\u7d71\u7684\u8ca0\u64d4\uff0c\u4f46\u5c0d\u65bc\u5c0f\u578b\u61c9\u7528\u4f86\u8aaa\u662f\u500b\u4e0d\u932f\u7684\u9078\u64c7\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-gxbdgaroQU\">2. \u4f7f\u7528 Redis \u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u6709\u8a31\u591a\u7b2c\u4e09\u65b9\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u76e3\u63a7 Redis \u7684\u6027\u80fd\uff0c\u4f8b\u5982 RedisInsight \u548c Redis-Stat\u3002\u9019\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u53ef\u8996\u5316\u7684\u754c\u9762\uff0c\u65b9\u4fbf\u7528\u6236\u67e5\u770b Key \u7684\u8a2a\u554f\u983b\u7387\u548c\u5176\u4ed6\u6027\u80fd\u6307\u6a19\u3002<\/p>\n<h3 id=\"3-%e8%87%aa%e5%ae%9a%e7%be%a9%e7%9b%a3%e6%8e%a7%e8%85%b3%e6%9c%ac-gxbdgaroQU\">3. \u81ea\u5b9a\u7fa9\u76e3\u63a7\u8173\u672c<\/h3>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u81ea\u5b9a\u7fa9\u7684\u76e3\u63a7\u8173\u672c\uff0c\u5b9a\u671f\u6aa2\u67e5 Key \u7684\u8a2a\u554f\u983b\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u4f7f\u7528 Redis \u7684 <code>GET<\/code> \u547d\u4ee4\u4f86\u8a08\u7b97 Key \u7684\u8a2a\u554f\u6b21\u6578\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u5b9a\u4e00\u500b Key\nkey = 'hot_key'\nr.incr(key)  # \u6bcf\u6b21\u8a2a\u554f\u6642\u589e\u52a0\u8a08\u6578\n\n# \u7372\u53d6 Key \u7684\u8a2a\u554f\u6b21\u6578\naccess_count = r.get(key)\nprint(f'Key {key} has been accessed {access_count} times.')\n<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e7%86%b1%e9%bb%9e-key-gxbdgaroQU\">\u5982\u4f55\u8655\u7406\u71b1\u9ede Key<\/h2>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u71b1\u9ede Key\uff0c\u63a5\u4e0b\u4f86\u7684\u6b65\u9a5f\u662f\u5982\u4f55\u8655\u7406\u9019\u4e9b Key\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u7247\uff1a<\/strong>\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b Redis \u5be6\u4f8b\u4e2d\uff0c\u6e1b\u5c11\u55ae\u500b\u5be6\u4f8b\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5feb\u53d6\u7b56\u7565\uff1a<\/strong>\u5c0d\u71b1\u9ede Key \u4f7f\u7528\u4e0d\u540c\u7684\u5feb\u53d6\u7b56\u7565\uff0c\u4f8b\u5982\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u6216\u4f7f\u7528 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b56\u7565\u3002<\/li>\n<li><strong>\u6578\u64da\u9810\u71b1\uff1a<\/strong>\u5728\u9ad8\u5cf0\u671f\u4e4b\u524d\uff0c\u63d0\u524d\u52a0\u8f09\u71b1\u9ede Key \u7684\u6578\u64da\u5230\u5feb\u53d6\u4e2d\uff0c\u4ee5\u6e1b\u5c11\u8acb\u6c42\u5ef6\u9072\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-gxbdgaroQU\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7\u548c\u7ba1\u7406 Redis \u4e2d\u7684\u71b1\u9ede Key \u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u6709\u6548\u7684\u76e3\u63a7\u624b\u6bb5\u548c\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u7a69\u5b9a\u6027\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5c0d\u65bc\u71b1\u9ede Key \u7684\u7ba1\u7406\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u61c9\u8a72\u6301\u7e8c\u95dc\u6ce8\u9019\u4e00\u9818\u57df\u7684\u6700\u4f73\u5be6\u8e10\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>\u63a2\u7d22 Redis \u76e3\u63a7\u5de5\u5177\uff0c\u6df1\u5165\u6d1e\u5bdf\u5feb\u53d6\u4e2d\u7684\u71b1\u9ede Key\uff0c\u512a\u5316\u6027\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b58\u53d6\u5feb\u901f\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-124907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124907","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=124907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124907\/revisions"}],"predecessor-version":[{"id":124908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124907\/revisions\/124908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}