{"id":182890,"date":"2024-11-10T00:11:19","date_gmt":"2024-11-09T16:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182890\/"},"modified":"2024-11-10T00:11:20","modified_gmt":"2024-11-09T16:11:20","slug":"%e5%af%a6%e6%99%82%e7%8d%b2%e5%8f%96redis%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e8%a8%82%e9%96%b1%e6%8f%90%e9%86%92%ef%bc%88%e8%a8%82%e9%96%b1redis%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182890\/","title":{"rendered":"\u5be6\u6642\u7372\u53d6Redis\u904e\u671f\u4e8b\u4ef6\u8a02\u95b1\u63d0\u9192\uff08\u8a02\u95b1redis\u904e\u671f\u4e8b\u4ef6\uff09"},"content":{"rendered":"

\u5be6\u6642\u7372\u53d6Redis\u904e\u671f\u4e8b\u4ef6\u8a02\u95b1\u63d0\u9192\uff08\u8a02\u95b1redis\u904e\u671f\u4e8b\u4ef6\uff09<\/h1>\n

Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5176\u652f\u6301\u7684\u904e\u671f\u6642\u9593\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8a2d\u7f6e\u9375\u7684\u6709\u6548\u671f\uff0c\u7576\u9375\u904e\u671f\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002\u9019\u4e00\u7279\u6027\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u6703\u8a71\u7ba1\u7406\u3001\u7de9\u5b58\u5931\u6548\u7b49\u60c5\u6cc1\u4e0b\u3002\u7136\u800c\uff0c\u5982\u4f55\u5be6\u6642\u7372\u53d6Redis\u904e\u671f\u4e8b\u4ef6\u7684\u901a\u77e5\uff0c\u537b\u662f\u8a31\u591a\u958b\u767c\u8005\u9762\u81e8\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a02\u95b1Redis\u7684\u904e\u671f\u4e8b\u4ef6\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n

Redis\u7684\u904e\u671f\u4e8b\u4ef6\u6a5f\u5236<\/h2>\n

Redis\u63d0\u4f9b\u4e86\u5169\u7a2e\u65b9\u5f0f\u4f86\u8655\u7406\u904e\u671f\u9375\u7684\u522a\u9664\uff1a\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u671f\u522a\u9664\u662f\u6307Redis\u6703\u5b9a\u671f\u6aa2\u67e5\u9375\u7684\u904e\u671f\u72c0\u614b\uff0c\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff1b\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u67d0\u500b\u9375\u6642\uff0c\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u5169\u7a2e\u65b9\u5f0f\u96d6\u7136\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u4f46Redis\u672c\u8eab\u4e26\u4e0d\u6703\u4e3b\u52d5\u901a\u77e5\u61c9\u7528\u7a0b\u5e8f\u67d0\u500b\u9375\u5df2\u7d93\u904e\u671f\u3002<\/p>\n

\u5982\u4f55\u5be6\u6642\u7372\u53d6\u904e\u671f\u4e8b\u4ef6<\/h2>\n

\u8981\u5be6\u6642\u7372\u53d6Redis\u7684\u904e\u671f\u4e8b\u4ef6\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u5229\u7528Redis\u7684\u767c\u5e03\/\u8a02\u95b1\uff08Pub\/Sub\uff09\u529f\u80fd\u3002\u96d6\u7136Redis\u672c\u8eab\u4e0d\u6703\u81ea\u52d5\u767c\u4f48\u904e\u671f\u4e8b\u4ef6\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u7de8\u7a0b\u6280\u5de7\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002<\/p>\n

\u4f7f\u7528Keyspace Notifications<\/h3>\n

Redis\u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70baKeyspace Notifications\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u8a02\u95b1\u9375\u7a7a\u9593\u7684\u4e8b\u4ef6\uff0c\u5305\u62ec\u9375\u7684\u904e\u671f\u4e8b\u4ef6\u3002\u8981\u555f\u7528\u9019\u4e00\u529f\u80fd\uff0c\u9700\u8981\u5728Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u76f8\u61c9\u7684\u53c3\u6578\uff1a<\/p>\n

notify-keyspace-events Ex<\/code><\/pre>\n
\u9019\u88e1\u7684\u201cEx\u201d\u8868\u793a\u6211\u5011\u5e0c\u671b\u63a5\u6536\u904e\u671f\u4e8b\u4ef6\u7684\u901a\u77e5\u3002\u8a2d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u91cd\u555fRedis\u670d\u52d9\u5668\u4ee5\u4f7f\u914d\u7f6e\u751f\u6548\u3002<\/p>\n
\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u7684\u5be6\u73fe<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684Pub\/Sub\u6a5f\u5236\u4f86\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cRedis-py\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\np = r.pubsub()\np.subscribe('__keyevent@0__:expired')\n\n# \u76e3\u807d\u904e\u671f\u4e8b\u4ef6\nfor message in p.listen():\n    if message['type'] == 'message':\n        print(f\"\u9375 {message['data'].decode('utf-8')} \u5df2\u904e\u671f\")<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230Redis\uff0c\u7136\u5f8c\u8a02\u95b1\u4e86\u904e\u671f\u4e8b\u4ef6\u3002\u7576\u6709\u9375\u904e\u671f\u6642\uff0c\u6703\u89f8\u767c\u76f8\u61c9\u7684\u6d88\u606f\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u4e2d\u770b\u5230\u904e\u671f\u7684\u9375\u540d\u3002<\/p>\n
\u5be6\u969b\u61c9\u7528\u5834\u666f<\/h2>\n
\u5be6\u6642\u7372\u53d6Redis\u904e\u671f\u4e8b\u4ef6\u7684\u529f\u80fd\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u7576\u7528\u6236\u7684\u6703\u8a71\u904e\u671f\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u7acb\u5373\u6e05\u9664\u76f8\u95dc\u7684\u7de9\u5b58\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u8cc7\u6e90\u3002\u6b64\u5916\uff0c\u9019\u4e00\u529f\u80fd\u9084\u53ef\u4ee5\u7528\u65bc\u76e3\u63a7\u7cfb\u7d71\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u4e86\u89e3\u7cfb\u7d71\u4e2d\u54ea\u4e9b\u6578\u64da\u5df2\u7d93\u5931\u6548\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528Redis\u7684Keyspace Notifications\u529f\u80fd\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u6642\u7372\u53d6\u904e\u671f\u4e8b\u4ef6\u7684\u901a\u77e5\uff0c\u9019\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u5834\u666f\u4f86\u8aaa\u90fd\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\u3002\u7121\u8ad6\u662f\u5728\u6703\u8a71\u7ba1\u7406\u9084\u662f\u6578\u64da\u7de9\u5b58\u4e2d\uff0c\u80fd\u5920\u53ca\u6642\u97ff\u61c9\u904e\u671f\u4e8b\u4ef6\u90fd\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6548\u7387\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u4eab\u53d7\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5be6\u6642\u7372\u53d6Redis\u904e\u671f\u4e8b\u4ef6\u8a02\u95b1\u63d0\u9192\uff0c\u8f15\u9b06\u638c\u63e1\u6578\u64da\u904e\u671f\u72c0\u614b\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\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-182890","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182890","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=182890"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182890\/revisions"}],"predecessor-version":[{"id":182891,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182890\/revisions\/182891"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}