{"id":184244,"date":"2024-11-10T11:36:20","date_gmt":"2024-11-10T03:36:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184244\/"},"modified":"2024-11-10T11:36:21","modified_gmt":"2024-11-10T03:36:21","slug":"%e4%bd%bf%e7%94%a8redis%e6%a7%8b%e5%bb%ba%e5%ae%89%e5%85%a8%e7%9a%84%e9%9a%8a%e5%88%97%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e9%9a%8a%e5%88%97%e9%9c%80%e8%a6%81%e5%8a%a0%e9%8e%96%e5%97%8e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184244\/","title":{"rendered":"\u4f7f\u7528Redis\u69cb\u5efa\u5b89\u5168\u7684\u968a\u5217\u7cfb\u7d71\uff08redis\u968a\u5217\u9700\u8981\u52a0\u9396\u55ce\uff09"},"content":{"rendered":"

\u4f7f\u7528Redis\u69cb\u5efa\u5b89\u5168\u7684\u968a\u5217\u7cfb\u7d71\uff08redis\u968a\u5217\u9700\u8981\u52a0\u9396\u55ce\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u968a\u5217\u7cfb\u7d71\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u5b83\u5011\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u8acb\u6c42\uff0c\u4e26\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5e38\u88ab\u7528\u4f86\u69cb\u5efa\u968a\u5217\u7cfb\u7d71\u3002\u7136\u800c\uff0c\u7576\u6211\u5011\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u968a\u5217\u6642\uff0c\u662f\u5426\u9700\u8981\u8003\u616e\u52a0\u9396\u7684\u554f\u984c\u5462\uff1f\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n

Redis\u7684\u57fa\u672c\u7279\u6027<\/h2>\n

Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u69cb\u5efa\u968a\u5217\u7cfb\u7d71\u7684\u7406\u60f3\u9078\u64c7\u3002Redis\u7684\u5217\u8868\u7d50\u69cb\u7279\u5225\u9069\u5408\u7528\u4f86\u5be6\u73fe\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u7684\u968a\u5217\u3002<\/p>\n

\u4f7f\u7528Redis\u69cb\u5efa\u968a\u5217<\/h3>\n

\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u4f86\u5be6\u73fe\u968a\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684\u5217\u8868\u4f86\u6dfb\u52a0\u548c\u8655\u7406\u968a\u5217\u4e2d\u7684\u4efb\u52d9\uff1a<\/p>\n

redis-cli\n# \u6dfb\u52a0\u4efb\u52d9\u5230\u968a\u5217\nLPUSH task_queue \"task1\"\nLPUSH task_queue \"task2\"\nLPUSH task_queue \"task3\"\n\n# \u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u4efb\u52d9\nRPOP task_queue\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528LPUSH\u547d\u4ee4\u5c07\u4efb\u52d9\u6dfb\u52a0\u5230\u968a\u5217\u7684\u5de6\u5074\uff0c\u7136\u5f8c\u4f7f\u7528RPOP\u547d\u4ee4\u5f9e\u53f3\u5074\u53d6\u51fa\u4efb\u52d9\u3002\u9019\u6a23\u5c31\u5f62\u6210\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u968a\u5217\u7cfb\u7d71\u3002<\/p>\n
\u968a\u5217\u7cfb\u7d71\u4e2d\u7684\u4f75\u767c\u554f\u984c<\/h2>\n
\u5728\u591a\u500b\u6d88\u8cbb\u8005\u540c\u6642\u8655\u7406\u968a\u5217\u4e2d\u7684\u4efb\u52d9\u6642\uff0c\u4f75\u767c\u554f\u984c\u53ef\u80fd\u6703\u51fa\u73fe\u3002\u4f8b\u5982\uff0c\u5169\u500b\u6d88\u8cbb\u8005\u540c\u6642\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u4efb\u52d9\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4efb\u52d9\u7684\u91cd\u8907\u8655\u7406\u6216\u4e1f\u5931\u3002\u9019\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u662f\u5426\u9700\u8981\u52a0\u9396\u3002<\/p>\n
Redis\u4e2d\u7684\u9396\u6a5f\u5236<\/h3>\n
Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u9396\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n
redis-cli\n# \u5617\u8a66\u7372\u53d6\u9396\nSETNX lock_key \"locked\"\n# \u5982\u679c\u7372\u53d6\u6210\u529f\uff0c\u57f7\u884c\u4efb\u52d9\n# \u91cb\u653e\u9396\nDEL lock_key\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528SETNX\u547d\u4ee4\u4f86\u5617\u8a66\u7372\u53d6\u9396\u3002\u5982\u679c\u9396\u5df2\u7d93\u88ab\u5176\u4ed6\u6d88\u8cbb\u8005\u7372\u53d6\uff0c\u5247SETNX\u5c07\u8fd4\u56de0\uff0c\u8868\u793a\u7372\u53d6\u5931\u6557\u3002\u53ea\u6709\u5728\u6210\u529f\u7372\u53d6\u9396\u5f8c\uff0c\u6d88\u8cbb\u8005\u624d\u80fd\u57f7\u884c\u4efb\u52d9\uff0c\u4e26\u5728\u5b8c\u6210\u5f8c\u91cb\u653e\u9396\u3002<\/p>\n
\u662f\u5426\u9700\u8981\u52a0\u9396\uff1f<\/h2>\n
\u662f\u5426\u9700\u8981\u52a0\u9396\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u968a\u5217\u4e2d\u7684\u4efb\u52d9\u662f\u7121\u72c0\u614b\u7684\uff0c\u4e14\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u4efb\u52d9\u7684\u57f7\u884c\uff0c\u90a3\u9ebc\u52a0\u9396\u53ef\u80fd\u4e0d\u662f\u5fc5\u9700\u7684\u3002\u7136\u800c\uff0c\u5982\u679c\u4efb\u52d9\u4e4b\u9593\u5b58\u5728\u4f9d\u8cf4\u95dc\u4fc2\uff0c\u6216\u8005\u9700\u8981\u78ba\u4fdd\u4efb\u52d9\u7684\u552f\u4e00\u6027\uff0c\u90a3\u9ebc\u52a0\u9396\u662f\u5fc5\u8981\u7684\u3002<\/p>\n
\u7d50\u8ad6<\/h3>\n
\u4f7f\u7528Redis\u69cb\u5efa\u968a\u5217\u7cfb\u7d71\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5728\u8a2d\u8a08\u968a\u5217\u7cfb\u7d71\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u4f86\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u52a0\u9396\u3002\u901a\u904e\u5408\u7406\u7684\u9396\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u4f75\u767c\u554f\u984c\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u69cb\u5efa\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u968a\u5217\u7cfb\u7d71\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u69cb\u5efa\u5b89\u5168\u7684\u968a\u5217\u7cfb\u7d71\uff0c\u4e86\u89e3\u5728Redis\u968a\u5217\u4e2d\u662f\u5426\u9700\u8981\u52a0\u9396\u4ee5\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-184244","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184244","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=184244"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184244\/revisions"}],"predecessor-version":[{"id":184245,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184244\/revisions\/184245"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}