{"id":181316,"date":"2024-11-09T16:02:23","date_gmt":"2024-11-09T08:02:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181316\/"},"modified":"2024-11-09T16:02:24","modified_gmt":"2024-11-09T08:02:24","slug":"%e6%b7%b1%e5%85%a5%e5%89%96%e6%9e%90redis%e9%9a%8a%e5%88%97%e7%9a%84%e5%ba%95%e5%b1%a4%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88redis%e7%9a%84%e9%9a%8a%e5%88%97%e5%ba%95%e5%b1%a4%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181316\/","title":{"rendered":"\u6df1\u5165\u5256\u6790Redis\u968a\u5217\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406\uff08redis\u7684\u968a\u5217\u5e95\u5c64\u539f\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e5%89%96%e6%9e%90redis%e9%9a%8a%e5%88%97%e7%9a%84%e5%ba%95%e5%b1%a4%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-WMFtZSnXLZ\">\u6df1\u5165\u5256\u6790Redis\u968a\u5217\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5176\u4e2d\u968a\u5217\u7684\u5be6\u73fe\u662f\u5176\u91cd\u8981\u529f\u80fd\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u968a\u5217\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u904b\u4f5c\u6a5f\u5236\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-WMFtZSnXLZ\">Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u968a\u5217\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5169\u7a2e\u6578\u64da\u7d50\u69cb\uff1a\u5217\u8868\uff08List\uff09\u548c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u3002\u9019\u5169\u7a2e\u6578\u64da\u7d50\u69cb\u5404\u6709\u7279\u9ede\uff0c\u9069\u7528\u65bc\u4e0d\u540c\u7684\u5834\u666f\u3002<\/p>\n<h3 id=\"%e5%88%97%e8%a1%a8%ef%bc%88list%ef%bc%89-WMFtZSnXLZ\">\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\u968a\u5217\u3002\u4f7f\u7528\u5217\u8868\u4f5c\u70ba\u968a\u5217\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\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\u5143\u7d20\u3002<\/li>\n<li><code>RPOP<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u5217\u8868\u7684\u53f3\u5074\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u90fd\u662fO(1)\uff0c\u9019\u610f\u5473\u8457\u7121\u8ad6\u5217\u8868\u7684\u5927\u5c0f\u5982\u4f55\uff0c\u64cd\u4f5c\u7684\u6642\u9593\u90fd\u662f\u56fa\u5b9a\u7684\uff0c\u9019\u662fRedis\u9ad8\u6548\u6027\u80fd\u7684\u95dc\u9375\u6240\u5728\u3002<\/p>\n<h3 id=\"%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%ef%bc%88sorted-set%ef%bc%89-WMFtZSnXLZ\">\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/h3>\n<p>\u6709\u5e8f\u96c6\u5408\u662f\u4e00\u7a2e\u57fa\u65bc\u8df3\u8868\uff08Skip List\uff09\u548c\u54c8\u5e0c\u8868\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff08score\uff09\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\u7684\u5834\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f5c\u70ba\u968a\u5217\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\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>\u6709\u5e8f\u96c6\u5408\u7684\u64cd\u4f5c\u6642\u9593\u8907\u96dc\u5ea6\u70baO(log(N))\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u4ecd\u7136\u4fdd\u6301\u9ad8\u6548\u3002<\/p>\n<h2 id=\"redis%e9%9a%8a%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-WMFtZSnXLZ\">Redis\u968a\u5217\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>Redis\u968a\u5217\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4e0a\u8ff0\u6578\u64da\u7d50\u69cb\u7684\u9ad8\u6548\u6027\u3002\u7576\u4f7f\u7528\u5217\u8868\u4f5c\u70ba\u968a\u5217\u6642\uff0cRedis\u80fd\u5920\u5feb\u901f\u5730\u5728\u5169\u7aef\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5176\u5728\u8655\u7406\u9ad8\u4f75\u767c\u8acb\u6c42\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<p>\u800c\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f5c\u70ba\u968a\u5217\u6642\uff0cRedis\u80fd\u5920\u6839\u64da\u5206\u6578\u81ea\u52d5\u6392\u5e8f\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u6839\u64da\u512a\u5148\u7d1a\u8655\u7406\u4efb\u52d9\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u5f97Redis\u5728\u5404\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u80fd\u5920\u767c\u63ee\u4f5c\u7528\uff0c\u4f8b\u5982\u4efb\u52d9\u8abf\u5ea6\u3001\u6d88\u606f\u968a\u5217\u7b49\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-WMFtZSnXLZ\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0cRedis\u968a\u5217\u5e38\u88ab\u7528\u65bc\u8655\u7406\u9ad8\u4f75\u767c\u7684\u8acb\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u7576\u7528\u6236\u4e0b\u55ae\u6642\uff0c\u8a02\u55ae\u4fe1\u606f\u53ef\u4ee5\u88ab\u63a8\u9001\u5230Redis\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5f8c\u7aef\u670d\u52d9\u9032\u884c\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u7cfb\u7d71\u7684\u58d3\u529b\uff0c\u4e26\u63d0\u9ad8\u6574\u9ad4\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u5217\u8868\u4f86\u5be6\u73fe\u4e00\u500b\u57fa\u672c\u7684\u968a\u5217\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5c07\u4efb\u52d9\u63a8\u5165\u968a\u5217\nr.lpush('task_queue', 'task1')\nr.lpush('task_queue', 'task2')\n\n# \u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u4efb\u52d9\ntask = r.rpop('task_queue')\nprint(f'Processing {task.decode(\"utf-8\")}')\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WMFtZSnXLZ\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684\u968a\u5217\u5be6\u73fe\u57fa\u65bc\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5217\u8868\u548c\u6709\u5e8f\u96c6\u5408\uff0c\u80fd\u5920\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u63d0\u4f9b\u512a\u7570\u7684\u6027\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u5217\u8868\u9032\u884c\u7c21\u55ae\u7684\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u64cd\u4f5c\uff0c\u9084\u662f\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u9032\u884c\u57fa\u65bc\u512a\u5148\u7d1a\u7684\u4efb\u52d9\u8655\u7406\uff0cRedis\u90fd\u80fd\u5920\u6eff\u8db3\u5404\u7a2e\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5256\u6790Redis\u968a\u5217\u7684\u5e95\u5c64\u5be6\u73fe\u539f\u7406\uff0c\u63a2\u8a0e\u5176\u6578\u64da\u7d50\u69cb\u3001\u6027\u80fd\u512a\u52e2\u53ca\u61c9\u7528\u5834\u666f\uff0c\u52a9\u4f60\u66f4\u597d\u7406\u89e3Redis\u968a\u5217\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-181316","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181316","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=181316"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181316\/revisions"}],"predecessor-version":[{"id":181317,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181316\/revisions\/181317"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}