{"id":158599,"date":"2024-11-03T03:12:33","date_gmt":"2024-11-02T19:12:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158599\/"},"modified":"2024-11-03T03:12:34","modified_gmt":"2024-11-02T19:12:34","slug":"%e6%a7%8b%e5%bb%ba%e5%88%86%e5%b8%83%e5%bc%8f-redis-%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%8c%e6%8f%90%e5%8d%87%e5%8f%af%e9%9d%a0%e6%80%a7%e8%88%87%e6%80%a7%e8%83%bd%ef%bc%88%e5%88%86%e5%b8%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158599\/","title":{"rendered":"\u69cb\u5efa\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\uff0c\u63d0\u5347\u53ef\u9760\u6027\u8207\u6027\u80fd\uff08\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\uff09"},"content":{"rendered":"<h1 id=\"%e6%a7%8b%e5%bb%ba%e5%88%86%e5%b8%83%e5%bc%8f-redis-%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%8c%e6%8f%90%e5%8d%87%e5%8f%af%e9%9d%a0%e6%80%a7%e8%88%87%e6%80%a7%e8%83%bd-PMhRZCwSCc\">\u69cb\u5efa\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\uff0c\u63d0\u5347\u53ef\u9760\u6027\u8207\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u67b6\u69cb\u4e2d\uff0c\u5ef6\u9072\u968a\u5217\u662f\u4e00\u500b\u91cd\u8981\u7684\u7d44\u4ef6\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u60c5\u6cc1\u4e0b\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u9069\u5408\u7528\u65bc\u69cb\u5efa\u5206\u5e03\u5f0f\u5ef6\u9072\u968a\u5217\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u4f86\u69cb\u5efa\u4e00\u500b\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u5ef6\u9072\u968a\u5217\uff0c\u4e26\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%9f-PMhRZCwSCc\">\u4ec0\u9ebc\u662f\u5ef6\u9072\u968a\u5217\uff1f<\/h2>\n<p>\u5ef6\u9072\u968a\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6d88\u606f\u968a\u5217\uff0c\u5141\u8a31\u6d88\u606f\u5728\u88ab\u6d88\u8cbb\u4e4b\u524d\u5ef6\u9072\u4e00\u6bb5\u6642\u9593\u3002\u9019\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5b9a\u6642\u4efb\u52d9\u3001\u91cd\u8a66\u6a5f\u5236\u7b49\u3002\u4f7f\u7528\u5ef6\u9072\u968a\u5217\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\uff0c\u907f\u514d\u7cfb\u7d71\u904e\u8f09\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-PMhRZCwSCc\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u6975\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\uff0c\u9069\u5408\u9ad8\u983b\u7387\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u652f\u6301 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>\u5206\u5e03\u5f0f\u652f\u6301\uff1a<\/strong>\u53ef\u4ee5\u901a\u904e Redis Cluster \u5be6\u73fe\u6578\u64da\u7684\u5206\u7247\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%a7%8b%e5%bb%ba%e5%88%86%e5%b8%83%e5%bc%8f-redis-%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%e7%9a%84%e6%ad%a5%e9%a9%9f-PMhRZCwSCc\">\u69cb\u5efa\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-PMhRZCwSCc\">1. \u8a2d\u8a08\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u5728 Redis \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5be6\u73fe\u5ef6\u9072\u968a\u5217\u3002\u6bcf\u500b\u6d88\u606f\u7684\u767c\u9001\u6642\u9593\u53ef\u4ee5\u4f5c\u70ba\u5206\u6578\uff0c\u6d88\u606f\u5167\u5bb9\u4f5c\u70ba\u6210\u54e1\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u5206\u6578\u4f86\u63a7\u5236\u6d88\u606f\u7684\u6d88\u8cbb\u6642\u9593\u3002<\/p>\n<pre><code>ZADD delay_queue  <\/code><\/pre>\n<h3 id=\"2-%e6%b6%88%e8%b2%bb%e8%80%85%e9%82%8f%e8%bc%af-PMhRZCwSCc\">2. \u6d88\u8cbb\u8005\u908f\u8f2f<\/h3>\n<p>\u6d88\u8cbb\u8005\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u5ef6\u9072\u968a\u5217\uff0c\u4e26\u6d88\u8cbb\u5230\u671f\u7684\u6d88\u606f\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 ZRANGEBYSCORE \u547d\u4ee4\u4f86\u7372\u53d6\u5230\u671f\u7684\u6d88\u606f\uff0c\u7136\u5f8c\u9032\u884c\u8655\u7406\u3002<\/p>\n<pre><code>while (true) {\n    \/\/ \u7372\u53d6\u7576\u524d\u6642\u9593\n    long now = System.currentTimeMillis();\n    \/\/ \u7372\u53d6\u5230\u671f\u7684\u6d88\u606f\n    Set&lt;String&gt; messages = redis.zrangeByScore(\"delay_queue\", 0, now);\n    for (String message : messages) {\n        \/\/ \u8655\u7406\u6d88\u606f\n        processMessage(message);\n        \/\/ \u522a\u9664\u5df2\u8655\u7406\u7684\u6d88\u606f\n        redis.zrem(\"delay_queue\", message);\n    }\n    \/\/ \u66ab\u505c\u4e00\u6bb5\u6642\u9593\n    Thread.sleep(1000);\n}<\/code><\/pre>\n<h3 id=\"3-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e8%88%87%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6-PMhRZCwSCc\">3. \u932f\u8aa4\u8655\u7406\u8207\u91cd\u8a66\u6a5f\u5236<\/h3>\n<p>\u5728\u6d88\u8cbb\u8005\u8655\u7406\u6d88\u606f\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u3002\u70ba\u4e86\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u91cd\u8a66\u6a5f\u5236\u3002\u7576\u8655\u7406\u5931\u6557\u6642\uff0c\u53ef\u4ee5\u5c07\u6d88\u606f\u91cd\u65b0\u52a0\u5165\u5ef6\u9072\u968a\u5217\uff0c\u4e26\u8a2d\u7f6e\u65b0\u7684\u5ef6\u9072\u6642\u9593\u3002<\/p>\n<pre><code>if (!processMessage(message)) {\n    \/\/ \u8a2d\u7f6e\u65b0\u7684\u5ef6\u9072\u6642\u9593\n    long newDelay = System.currentTimeMillis() + delayTime;\n    redis.zadd(\"delay_queue\", newDelay, message);\n}<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-PMhRZCwSCc\">\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6279\u91cf\u8655\u7406\uff1a<\/strong>\u5728\u6d88\u8cbb\u8005\u4e2d\u5be6\u73fe\u6279\u91cf\u8655\u7406\uff0c\u6e1b\u5c11\u8207 Redis \u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7ba1\u9053\uff1a<\/strong>\u5229\u7528 Redis \u7684\u7ba1\u9053\u6280\u8853\uff0c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8207\u8abf\u6574\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u5ef6\u9072\u968a\u5217\u7684\u72c0\u614b\uff0c\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u6d88\u8cbb\u8005\u7684\u6578\u91cf\u548c\u8655\u7406\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PMhRZCwSCc\">\u7e3d\u7d50<\/h2>\n<p>\u69cb\u5efa\u4e00\u500b\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u8207\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u3001\u6d88\u8cbb\u8005\u908f\u8f2f\u4ee5\u53ca\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u4e00\u500b\u9ad8\u6548\u7684\u5ef6\u9072\u968a\u5217\u7cfb\u7d71\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u95dc\u9375\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u9019\u6a23\u7684\u5e02\u5834\u4e2d\uff0c\u9078\u64c7\u4e00\u500b\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u69cb\u5efa\u5206\u5e03\u5f0f Redis \u5ef6\u9072\u968a\u5217\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u8207\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u4efb\u52d9\u8abf\u5ea6\u8207\u7ba1\u7406\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-158599","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158599","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=158599"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158599\/revisions"}],"predecessor-version":[{"id":158600,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/158599\/revisions\/158600"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=158599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=158599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=158599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}