{"id":163979,"date":"2024-11-05T04:01:24","date_gmt":"2024-11-04T20:01:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163979\/"},"modified":"2024-11-05T04:01:26","modified_gmt":"2024-11-04T20:01:26","slug":"%e8%a7%a3%e9%8e%96redis%e9%98%bb%e5%a1%9epop%e7%9a%84%e5%a8%81%e5%8a%9b%ef%bc%88redis%e9%98%bb%e5%a1%9epop%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163979\/","title":{"rendered":"\u89e3\u9396Redis\u963b\u585ePop\u7684\u5a01\u529b\uff08redis\u963b\u585epop\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e9%8e%96redis%e9%98%bb%e5%a1%9epop%e7%9a%84%e5%a8%81%e5%8a%9b%ef%bc%88redis%e9%98%bb%e5%a1%9epop%ef%bc%89-HCWeiSnCjm\">\u89e3\u9396Redis\u963b\u585ePop\u7684\u5a01\u529b\uff08redis\u963b\u585epop\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u9ad8\u4f75\u767c\u548c\u5be6\u6642\u6578\u64da\u7684\u5834\u666f\u4e2d\uff0cRedis\u7684\u6027\u80fd\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u5176\u4e2d\uff0cRedis\u7684\u963b\u585ePop\u64cd\u4f5c\uff08Blocking Pop\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u591a\u500b\u6d88\u8cbb\u8005\u540c\u6642\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u6578\u64da\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u963b\u585ePop\u7684\u539f\u7406\u3001\u4f7f\u7528\u5834\u666f\u53ca\u5176\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%98%bb%e5%a1%9epop%ef%bc%9f-HCWeiSnCjm\">\u4ec0\u9ebc\u662fRedis\u963b\u585ePop\uff1f<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u5217\u8868\uff08List\uff09\u662f\u4e00\u500b\u975e\u5e38\u5e38\u7528\u7684\u7d50\u69cb\u3002\u963b\u585ePop\u64cd\u4f5c\u4e3b\u8981\u662f\u91dd\u5c0d\u5217\u8868\u7684\u64cd\u4f5c\uff0c\u7576\u6d88\u8cbb\u8005\u5617\u8a66\u5f9e\u4e00\u500b\u7a7a\u7684\u5217\u8868\u4e2d\u53d6\u51fa\u5143\u7d20\u6642\uff0c\u9019\u500b\u64cd\u4f5c\u6703\u9032\u5165\u963b\u585e\u72c0\u614b\uff0c\u76f4\u5230\u6709\u65b0\u7684\u5143\u7d20\u88ab\u63a8\u5165\u5217\u8868\u4e2d\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8f2a\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4-HCWeiSnCjm\">\u57fa\u672c\u547d\u4ee4<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u5be6\u73fe\u963b\u585ePop\u7684\u4e3b\u8981\u547d\u4ee4\u662f <code>BRPOP<\/code>\u3002\u9019\u500b\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>BRPOP key [key ...] timeout<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code> \u662f\u8981\u5f9e\u4e2d\u53d6\u51fa\u5143\u7d20\u7684\u5217\u8868\u7684\u540d\u7a31\uff0c<code>timeout<\/code> \u662f\u963b\u585e\u7684\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u5728\u6307\u5b9a\u7684\u6642\u9593\u5167\u6c92\u6709\u65b0\u7684\u5143\u7d20\u88ab\u63a8\u5165\uff0c\u5247\u64cd\u4f5c\u6703\u8fd4\u56de nil\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-HCWeiSnCjm\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>BRPOP<\/code> \u547d\u4ee4\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; LPUSH mylist \"element1\"\n127.0.0.1:6379&gt; LPUSH mylist \"element2\"\n127.0.0.1:6379&gt; BRPOP mylist 5\n1) \"mylist\"\n2) \"element2\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u5c07\u5169\u500b\u5143\u7d20\u63a8\u5165\u5217\u8868\u4e2d\uff0c\u7136\u5f8c\u4f7f\u7528 <code>BRPOP<\/code> \u547d\u4ee4\u5f9e\u5217\u8868\u4e2d\u53d6\u51fa\u5143\u7d20\u3002\u5982\u679c\u5217\u8868\u70ba\u7a7a\uff0c\u5247\u6703\u963b\u585e\u6700\u591a5\u79d2\u9418\uff0c\u76f4\u5230\u6709\u65b0\u5143\u7d20\u88ab\u63a8\u5165\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-HCWeiSnCjm\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>Redis\u7684\u963b\u585ePop\u64cd\u4f5c\u7279\u5225\u9069\u5408\u4ee5\u4e0b\u5e7e\u7a2e\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u6d88\u606f\u968a\u5217\uff1a<\/strong>\u5728\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\uff0c\u670d\u52d9\u4e4b\u9593\u7684\u901a\u4fe1\u901a\u5e38\u4f9d\u8cf4\u65bc\u6d88\u606f\u968a\u5217\u3002\u4f7f\u7528Redis\u7684\u963b\u585ePop\u53ef\u4ee5\u78ba\u4fdd\u6d88\u8cbb\u8005\u5728\u6709\u65b0\u6d88\u606f\u6642\u81ea\u52d5\u7372\u53d6\uff0c\u800c\u4e0d\u9700\u8981\u4e0d\u65b7\u8f2a\u8a62\u3002<\/li>\n<li><strong>\u4efb\u52d9\u8abf\u5ea6\uff1a<\/strong>\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u4efb\u52d9\u7684\u7cfb\u7d71\u4e2d\uff0c\u963b\u585ePop\u53ef\u4ee5\u5e6b\u52a9\u5de5\u4f5c\u8005\u5728\u6709\u65b0\u4efb\u52d9\u6642\u81ea\u52d5\u555f\u52d5\uff0c\u5f9e\u800c\u63d0\u9ad8\u8cc7\u6e90\u7684\u5229\u7528\u7387\u3002<\/li>\n<li><strong>\u5be6\u6642\u6578\u64da\u8655\u7406\uff1a<\/strong>\u5728\u9700\u8981\u5be6\u6642\u8655\u7406\u6578\u64da\u7684\u61c9\u7528\u4e2d\uff0c\u963b\u585ePop\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5373\u6642\u6027\u548c\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8b%a2-HCWeiSnCjm\">\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528Redis\u7684\u963b\u585ePop\u64cd\u4f5c\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>\u901a\u904e\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8f2a\u8a62\uff0c\u963b\u585ePop\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>Redis\u7684\u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u652f\u6301\u591a\u500b\u6d88\u8cbb\u8005\u540c\u6642\u5f9e\u540c\u4e00\u500b\u5217\u8868\u4e2d\u53d6\u51fa\u6578\u64da\uff0c\u9069\u61c9\u6027\u5f37\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HCWeiSnCjm\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684\u963b\u585ePop\u64cd\u4f5c\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u591a\u6d88\u8cbb\u8005\u74b0\u5883\u4e2d\u7684\u6578\u64da\u8655\u7406\u554f\u984c\u3002\u901a\u904e\u4f7f\u7528 <code>BRPOP<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u7684\u6d88\u606f\u968a\u5217\u548c\u4efb\u52d9\u8abf\u5ea6\u7cfb\u7d71\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0cRedis\u7121\u7591\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u963b\u585ePop\u7684\u5f37\u5927\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6d88\u606f\u968a\u5217\u548c\u4efb\u52d9\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-163979","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163979","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=163979"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163979\/revisions"}],"predecessor-version":[{"id":163980,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163979\/revisions\/163980"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}