{"id":162171,"date":"2024-11-04T12:43:32","date_gmt":"2024-11-04T04:43:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162171\/"},"modified":"2024-11-04T12:43:33","modified_gmt":"2024-11-04T04:43:33","slug":"%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e9%8d%b5%e5%80%bc%e7%9a%84%e8%ae%8a%e5%8c%96%ef%bc%88redis-%e7%9b%a3%e8%81%bd%e9%8d%b5%e5%80%bc%e8%ae%8a%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162171\/","title":{"rendered":"\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\uff08redis \u76e3\u807d\u9375\u503c\u8b8a\u5316\uff09"},"content":{"rendered":"<h1 id=\"%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e9%8d%b5%e5%80%bc%e7%9a%84%e8%ae%8a%e5%8c%96%ef%bc%88redis-%e7%9b%a3%e8%81%bd%e9%8d%b5%e5%80%bc%e8%ae%8a%e5%8c%96%ef%bc%89-tleDhpSNZQ\">\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\uff08redis \u76e3\u807d\u9375\u503c\u8b8a\u5316\uff09<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u76e3\u807d Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%9b%a3%e6%8e%a7%e9%8d%b5%e5%80%bc%e8%ae%8a%e5%8c%96-tleDhpSNZQ\">\u70ba\u4ec0\u9ebc\u9700\u8981\u76e3\u63a7\u9375\u503c\u8b8a\u5316<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u7684\u9375\u503c\u8b8a\u5316\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u53ca\u6642\u4e86\u89e3\u6578\u64da\u7684\u8b8a\u5316\u60c5\u6cc1\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76e3\u63a7\u9375\u503c\u8b8a\u5316\u7684\u4e3b\u8981\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u4e2d\u7684\u6578\u64da\u8207 Redis \u4e2d\u7684\u6578\u64da\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u76e3\u63a7\u6578\u64da\u8b8a\u5316\uff0c\u8b58\u5225\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u512a\u5316\u3002<\/li>\n<li><strong>\u6545\u969c\u6392\u67e5\uff1a<\/strong>\u5728\u51fa\u73fe\u554f\u984c\u6642\uff0c\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u7684\u6839\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%9a%84-keyspace-notifications-tleDhpSNZQ\">Redis \u7684 Keyspace Notifications<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba Keyspace Notifications \u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u76e3\u807d\u9375\u7684\u8b8a\u5316\u3002\u9019\u500b\u529f\u80fd\u53ef\u4ee5\u901a\u904e\u914d\u7f6e Redis \u4f3a\u670d\u5668\u4f86\u555f\u7528\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u4e8b\u4ef6\u985e\u578b\uff0c\u5982\u9375\u7684\u65b0\u589e\u3001\u522a\u9664\u548c\u4fee\u6539\u7b49\u3002<\/p>\n<h3 id=\"%e5%95%9f%e7%94%a8-keyspace-notifications-tleDhpSNZQ\">\u555f\u7528 Keyspace Notifications<\/h3>\n<p>\u8981\u555f\u7528 Keyspace Notifications\uff0c\u60a8\u9700\u8981\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<pre><code>notify-keyspace-events Ex<\/code><\/pre>\n<p>\u9019\u88e1\u7684 &#8220;Ex&#8221; \u8868\u793a\u76e3\u807d\u9375\u7684\u904e\u671f\u4e8b\u4ef6\u3002\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u4e0d\u540c\u7684\u4e8b\u4ef6\u985e\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>K<\/code> &#8211; \u9375\u7684\u8b8a\u5316<\/li>\n<li><code>E<\/code> &#8211; \u9375\u7684\u904e\u671f<\/li>\n<li><code>g<\/code> &#8211; \u9375\u7684\u522a\u9664<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8-redis-pub-sub-%e7%9b%a3%e8%81%bd%e9%8d%b5%e5%80%bc%e8%ae%8a%e5%8c%96-tleDhpSNZQ\">\u4f7f\u7528 Redis Pub\/Sub \u76e3\u807d\u9375\u503c\u8b8a\u5316<\/h3>\n<p>\u555f\u7528 Keyspace Notifications \u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 Pub\/Sub \u6a5f\u5236\u4f86\u76e3\u807d\u9375\u503c\u7684\u8b8a\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u76e3\u807d\u9375\u7684\u8b8a\u5316\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u8a02\u95b1\u9375\u7a7a\u9593\u901a\u77e5\np = r.pubsub()\np.psubscribe('__key*__:*')\n\n# \u76e3\u807d\u6d88\u606f\nfor message in p.listen():\n    if message['type'] == 'pmessage':\n        print(f\"\u9375\u503c\u8b8a\u5316: {message['channel']} - {message['data']}\")\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 Python \u7684 redis \u5eab\u4f86\u9023\u63a5 Redis \u4f3a\u670d\u5668\uff0c\u4e26\u8a02\u95b1\u6240\u6709\u9375\u7684\u8b8a\u5316\u3002\u7576\u9375\u503c\u767c\u751f\u8b8a\u5316\u6642\uff0c\u6703\u6253\u5370\u51fa\u76f8\u61c9\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-tleDhpSNZQ\">\u5be6\u969b\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\u5728\u8a31\u591a\u5be6\u969b\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff1a<\/strong>\u76e3\u63a7\u5eab\u5b58\u6578\u91cf\u7684\u8b8a\u5316\uff0c\u53ca\u6642\u66f4\u65b0\u524d\u7aef\u986f\u793a\u3002<\/li>\n<li><strong>\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\uff1a<\/strong>\u76e3\u63a7\u7528\u6236\u72c0\u614b\u7684\u8b8a\u5316\uff0c\u5be6\u6642\u63a8\u9001\u901a\u77e5\u3002<\/li>\n<li><strong>\u904a\u6232\u61c9\u7528\uff1a<\/strong>\u76e3\u63a7\u73a9\u5bb6\u5206\u6578\u7684\u8b8a\u5316\uff0c\u5be6\u6642\u66f4\u65b0\u6392\u884c\u699c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-tleDhpSNZQ\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\u662f\u4e00\u500b\u91cd\u8981\u7684\u9700\u6c42\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684 Keyspace Notifications \u548c Pub\/Sub \u6a5f\u5236\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u7121\u8ad6\u662f\u5728\u96fb\u5b50\u5546\u52d9\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u904a\u6232\u61c9\u7528\u4e2d\uff0c\u9019\u7a2e\u76e3\u63a7\u90fd\u80fd\u5e36\u4f86\u986f\u8457\u7684\u6548\u76ca\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 \u4f3a\u670d\u5668\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76e3\u63a7 Redis \u4e2d\u9375\u503c\u7684\u8b8a\u5316\uff0c\u5be6\u6642\u76e3\u807d\u9375\u503c\u8b8a\u5316\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-162171","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162171","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=162171"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162171\/revisions"}],"predecessor-version":[{"id":162172,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162171\/revisions\/162172"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}