{"id":162173,"date":"2024-11-04T12:44:46","date_gmt":"2024-11-04T04:44:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162173\/"},"modified":"2024-11-04T12:44:47","modified_gmt":"2024-11-04T04:44:47","slug":"%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e6%8c%87%e5%ae%9a%e5%80%bc%e7%9a%84%e5%8b%95%e6%85%8b%e8%ae%8a%e5%8c%96%ef%bc%88%e7%9b%a3%e6%8e%a7-redis-%e6%8c%87%e5%ae%9a%e5%80%bc%e8%ae%8a%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162173\/","title":{"rendered":"\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u52d5\u614b\u8b8a\u5316\uff08\u76e3\u63a7 redis \u6307\u5b9a\u503c\u8b8a\u5316\uff09"},"content":{"rendered":"<h1 id=\"%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e6%8c%87%e5%ae%9a%e5%80%bc%e7%9a%84%e5%8b%95%e6%85%8b%e8%ae%8a%e5%8c%96-NLazXSpDvH\">\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u52d5\u614b\u8b8a\u5316<\/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\u7684\u6578\u64da\u8b8a\u5316\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u7279\u5225\u662f\u7576\u6211\u5011\u9700\u8981\u8ffd\u8e64\u7279\u5b9a\u9375\u7684\u503c\u8b8a\u5316\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u52d5\u614b\u8b8a\u5316\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-redis-%e4%b8%ad%e7%9a%84%e5%80%bc%e8%ae%8a%e5%8c%96-NLazXSpDvH\">\u70ba\u4ec0\u9ebc\u9700\u8981\u76e3\u63a7 Redis \u4e2d\u7684\u503c\u8b8a\u5316<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u7684\u503c\u8b8a\u5316\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u53ca\u6642\u767c\u73fe\u554f\u984c\uff0c\u512a\u5316\u6027\u80fd\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76e3\u63a7\u7684\u4e3b\u8981\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u76e3\u63a7\u7279\u5b9a\u9375\u7684\u8b8a\u5316\uff0c\u53ef\u4ee5\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u9032\u800c\u9032\u884c\u512a\u5316\u3002<\/li>\n<li><strong>\u6545\u969c\u6392\u67e5\uff1a<\/strong>\u7576\u7cfb\u7d71\u51fa\u73fe\u7570\u5e38\u6642\uff0c\u76e3\u63a7\u6578\u64da\u8b8a\u5316\u53ef\u4ee5\u5e6b\u52a9\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%9b%a3%e6%8e%a7-redis-%e4%b8%ad%e6%8c%87%e5%ae%9a%e5%80%bc%e7%9a%84%e8%ae%8a%e5%8c%96-NLazXSpDvH\">\u5982\u4f55\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u8b8a\u5316<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u8b8a\u5316\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-pub-sub-%e5%8a%9f%e8%83%bd-NLazXSpDvH\">1. \u4f7f\u7528 Redis \u7684 Pub\/Sub \u529f\u80fd<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86 Pub\/Sub \u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6d88\u606f\u7684\u5373\u6642\u63a8\u9001\u3002\u7576\u67d0\u500b\u9375\u7684\u503c\u767c\u751f\u8b8a\u5316\u6642\uff0c\u53ef\u4ee5\u767c\u9001\u4e00\u689d\u6d88\u606f\uff0c\u8b93\u8a02\u95b1\u8005\u5373\u6642\u7372\u53d6\u66f4\u65b0\u3002<\/p>\n<pre><code>SUBSCRIBE key_updates\n<\/code><\/pre>\n<p>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7576\u66f4\u65b0\u67d0\u500b\u9375\u7684\u503c\u6642\uff0c\u53ef\u4ee5\u540c\u6642\u767c\u9001\u4e00\u689d\u6d88\u606f\uff1a<\/p>\n<pre><code>PUBLISH key_updates \"key_name updated to new_value\"\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84-keyspace-notifications-NLazXSpDvH\">2. \u4f7f\u7528 Redis \u7684 Keyspace Notifications<\/h3>\n<p>Redis \u7684 Keyspace Notifications \u5141\u8a31\u7528\u6236\u76e3\u63a7\u9375\u7684\u4e8b\u4ef6\uff0c\u5982\u9375\u7684\u65b0\u589e\u3001\u522a\u9664\u548c\u4fee\u6539\u3002\u8981\u555f\u7528\u9019\u500b\u529f\u80fd\uff0c\u53ef\u4ee5\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>notify-keyspace-events Ex\n<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u76e3\u807d\u7279\u5b9a\u9375\u7684\u8b8a\u5316\uff1a<\/p>\n<pre><code>PSUBSCRIBE __key*__:key_name\n<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e8%bc%aa%e8%a9%a2-NLazXSpDvH\">3. \u5b9a\u671f\u8f2a\u8a62<\/h3>\n<p>\u5982\u679c\u4e0d\u60f3\u4f7f\u7528 Pub\/Sub \u6216 Keyspace Notifications\uff0c\u9084\u53ef\u4ee5\u9078\u64c7\u5b9a\u671f\u8f2a\u8a62\u7279\u5b9a\u9375\u7684\u503c\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u53ef\u80fd\u6703\u589e\u52a0 Redis \u7684\u8ca0\u64d4\u3002<\/p>\n<pre><code>while true; do\n    current_value=$(redis-cli GET key_name)\n    if [ \"$current_value\" != \"$previous_value\" ]; then\n        echo \"Value changed to: $current_value\"\n        previous_value=$current_value\n    fi\n    sleep 5\ndone\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-NLazXSpDvH\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u52d5\u614b\u8b8a\u5316\u5c0d\u65bc\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528 Pub\/Sub\u3001Keyspace Notifications \u9084\u662f\u5b9a\u671f\u8f2a\u8a62\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u7372\u53d6\u6578\u64da\u8b8a\u5316\u7684\u4fe1\u606f\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\u548c\u512a\u5316\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 \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u76e3\u63a7\u60a8\u7684\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76e3\u63a7 Redis \u4e2d\u6307\u5b9a\u503c\u7684\u52d5\u614b\u8b8a\u5316\uff0c\u5be6\u6642\u8ffd\u8e64\u6578\u64da\u8b8a\u5316\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\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-162173","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162173","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=162173"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162173\/revisions"}],"predecessor-version":[{"id":162174,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162173\/revisions\/162174"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}