{"id":99030,"date":"2024-10-21T07:33:20","date_gmt":"2024-10-20T23:33:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99030\/"},"modified":"2024-10-21T07:33:21","modified_gmt":"2024-10-20T23:33:21","slug":"redis-%e9%9a%8a%e5%88%97%e7%9a%84%e7%95%b0%e5%90%8c%e6%9c%89%e4%bd%95%e4%b8%8d%e5%90%8c%e4%b9%8b%e8%99%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99030\/","title":{"rendered":"Redis \u968a\u5217\u7684\u7570\u540c\u6709\u4f55\u4e0d\u540c\u4e4b\u8655"},"content":{"rendered":"<h1 id=\"redis-%e9%9a%8a%e5%88%97%e7%9a%84%e7%95%b0%e5%90%8c%e6%9c%89%e4%bd%95%e4%b8%8d%e5%90%8c%e4%b9%8b%e8%99%95-ylbNOPXIPI\">Redis \u968a\u5217\u7684\u7570\u540c\u6709\u4f55\u4e0d\u540c\u4e4b\u8655<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u74b0\u5883\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u968a\u5217\u6642\uff0cRedis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u6d41\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u968a\u5217\u7684\u7570\u540c\u4e4b\u8655\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u548c\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis-%e9%9a%8a%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ylbNOPXIPI\">Redis \u968a\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u968a\u5217\u901a\u5e38\u662f\u901a\u904e\u5217\u8868\uff08List\uff09\u6216\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5be6\u73fe\u7684\u3002\u9019\u5169\u7a2e\u6578\u64da\u7d50\u69cb\u5404\u6709\u5176\u7279\u9ede\uff0c\u9069\u7528\u65bc\u4e0d\u540c\u7684\u5834\u666f\u3002<\/p>\n<h3 id=\"1-%e5%88%97%e8%a1%a8%ef%bc%88list%ef%bc%89-ylbNOPXIPI\">1. \u5217\u8868\uff08List\uff09<\/h3>\n<p>Redis \u7684\u5217\u8868\u662f\u4e00\u500b\u96d9\u5411\u93c8\u8868\uff0c\u652f\u6301\u5728\u5169\u7aef\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5217\u8868\u975e\u5e38\u9069\u5408\u7528\u4f5c\u7c21\u55ae\u7684\u968a\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><code>LPUSH<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u5217\u8868\u7684\u5de6\u5074\u3002<\/li>\n<li><code>RPUSH<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u5217\u8868\u7684\u53f3\u5074\u3002<\/li>\n<li><code>LPOP<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u5217\u8868\u7684\u5de6\u5074\u7b2c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<li><code>RPOP<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u5217\u8868\u7684\u53f3\u5074\u7b2c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u5217\u8868\u4f86\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u7684\u968a\u5217\uff1a<\/p>\n<pre><code>\nLPUSH myqueue \"task1\"\nLPUSH myqueue \"task2\"\nRPUSH myqueue \"task3\"\nLPOP myqueue  # \u8fd4\u56de \"task2\"\n<\/code><\/pre>\n<h3 id=\"2-%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%ef%bc%88sorted-set%ef%bc%89-ylbNOPXIPI\">2. \u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/h3>\n<p>\u6709\u5e8f\u96c6\u5408\u662f\u4e00\u7a2e\u57fa\u65bc\u5206\u6578\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u4e26\u6839\u64da\u5206\u6578\u81ea\u52d5\u6392\u5e8f\u3002\u9019\u4f7f\u5f97\u6709\u5e8f\u96c6\u5408\u5728\u9700\u8981\u6839\u64da\u512a\u5148\u7d1a\u8655\u7406\u4efb\u52d9\u6642\u975e\u5e38\u6709\u7528\u3002\u57fa\u672c\u64cd\u4f5c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>ZADD<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u6210\u54e1\u53ca\u5176\u5206\u6578\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\u3002<\/li>\n<li><code>ZREM<\/code>\uff1a\u79fb\u9664\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u4e00\u500b\u6216\u591a\u500b\u6210\u54e1\u3002<\/li>\n<li><code>ZPOPMIN<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u6709\u5e8f\u96c6\u5408\u4e2d\u5206\u6578\u6700\u4f4e\u7684\u6210\u54e1\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u5be6\u73fe\u512a\u5148\u7d1a\u968a\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nZADD mypriorityqueue 1 \"task1\"\nZADD mypriorityqueue 2 \"task2\"\nZADD mypriorityqueue 0 \"task3\"\nZPOPMIN mypriorityqueue  # \u8fd4\u56de (\"task3\", 0)\n<\/code><\/pre>\n<h2 id=\"%e7%95%b0%e5%90%8c%e4%b9%8b%e8%99%95-ylbNOPXIPI\">\u7570\u540c\u4e4b\u8655<\/h2>\n<p>\u96d6\u7136\u5217\u8868\u548c\u6709\u5e8f\u96c6\u5408\u90fd\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u968a\u5217\uff0c\u4f46\u5b83\u5011\u5728\u6027\u80fd\u548c\u4f7f\u7528\u5834\u666f\u4e0a\u5b58\u5728\u986f\u8457\u5dee\u7570\uff1a<\/p>\n<h3 id=\"1-%e6%80%a7%e8%83%bd-ylbNOPXIPI\">1. \u6027\u80fd<\/h3>\n<p>\u5217\u8868\u5728\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u4e0a\u8868\u73fe\u826f\u597d\uff0c\u5c24\u5176\u662f\u5728\u5169\u7aef\u64cd\u4f5c\u6642\uff0c\u6642\u9593\u8907\u96dc\u5ea6\u70ba O(1)\u3002\u800c\u6709\u5e8f\u96c6\u5408\u5728\u63d2\u5165\u6642\u9700\u8981\u7dad\u8b77\u6392\u5e8f\uff0c\u6642\u9593\u8907\u96dc\u5ea6\u70ba O(log(N))\uff0c\u56e0\u6b64\u5728\u9ad8\u983b\u7387\u7684\u63d2\u5165\u64cd\u4f5c\u4e2d\uff0c\u5217\u8868\u7684\u6027\u80fd\u66f4\u512a\u3002<\/p>\n<h3 id=\"2-%e5%8a%9f%e8%83%bd-ylbNOPXIPI\">2. \u529f\u80fd<\/h3>\n<p>\u6709\u5e8f\u96c6\u5408\u63d0\u4f9b\u4e86\u57fa\u65bc\u5206\u6578\u7684\u6392\u5e8f\u529f\u80fd\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u6839\u64da\u512a\u5148\u7d1a\u8655\u7406\u4efb\u52d9\u6642\u66f4\u5177\u9748\u6d3b\u6027\u3002\u800c\u5217\u8868\u5247\u66f4\u9069\u5408\u7528\u65bc\u7c21\u55ae\u7684\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u968a\u5217\u3002<\/p>\n<h3 id=\"3-%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-ylbNOPXIPI\">3. \u61c9\u7528\u5834\u666f<\/h3>\n<p>\u5982\u679c\u61c9\u7528\u5834\u666f\u9700\u8981\u7c21\u55ae\u7684\u4efb\u52d9\u6392\u968a\uff0c\u4f7f\u7528\u5217\u8868\u6703\u66f4\u70ba\u5408\u9069\uff1b\u800c\u5982\u679c\u9700\u8981\u6839\u64da\u4efb\u52d9\u7684\u512a\u5148\u7d1a\u9032\u884c\u8655\u7406\uff0c\u5247\u61c9\u9078\u64c7\u6709\u5e8f\u96c6\u5408\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ylbNOPXIPI\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u652f\u6301\u968a\u5217\u7684\u5be6\u73fe\uff0c\u5176\u4e2d\u5217\u8868\u548c\u6709\u5e8f\u96c6\u5408\u662f\u6700\u5e38\u7528\u7684\u5169\u7a2e\u3002\u5b83\u5011\u5404\u81ea\u64c1\u6709\u4e0d\u540c\u7684\u7279\u6027\u548c\u9069\u7528\u5834\u666f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5c07\u6709\u52a9\u65bc\u66f4\u6709\u6548\u5730\u5229\u7528 Redis \u9032\u884c\u6578\u64da\u8655\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u968a\u5217\u7684\u7570\u540c\uff0c\u4e86\u89e3\u5176\u7279\u6027\u3001\u512a\u7f3a\u9ede\u53ca\u61c9\u7528\u5834\u666f\uff0c\u52a9\u4f60\u9078\u64c7\u6700\u9069\u5408\u7684\u89e3\u6c7a\u65b9\u6848\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-99030","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99030","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=99030"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99030\/revisions"}],"predecessor-version":[{"id":99031,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99030\/revisions\/99031"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}