{"id":128341,"date":"2024-10-26T13:26:17","date_gmt":"2024-10-26T05:26:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128341\/"},"modified":"2024-10-26T13:26:17","modified_gmt":"2024-10-26T05:26:17","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%8e%9f%e7%90%86%e6%b7%ba%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128341\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u539f\u7406\u6dfa\u6790"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%8e%9f%e7%90%86%e6%b7%ba%e6%9e%90-PRPnARHOIM\">Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u539f\u7406\u6dfa\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u548c\u5354\u8abf\u662f\u975e\u5e38\u91cd\u8981\u7684\u554f\u984c\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5206\u5e03\u5f0f\u9396\u61c9\u904b\u800c\u751f\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u6709\u6548\u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u7684\u539f\u7406\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-PRPnARHOIM\">\u4ec0\u9ebc\u662f\u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7576\u591a\u500b\u5be6\u4f8b\u9700\u8981\u540c\u6642\u8a2a\u554f\u67d0\u500b\u8cc7\u6e90\u6642\uff0c\u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u78ba\u4fdd\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u8a2a\u554f\u8a72\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-PRPnARHOIM\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u5176\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002\u4ee5\u4e0b\u662f Redis \u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u7372\u53d6\u9396\uff1a<\/strong>\u4f7f\u7528 SETNX \u547d\u4ee4\u4f86\u8a2d\u7f6e\u4e00\u500b\u9396\u7684\u9375\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8a2d\u7f6e\u6210\u529f\uff0c\u8868\u793a\u7372\u53d6\u9396\u6210\u529f\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u901a\u5e38\u6703\u5728\u7372\u53d6\u9396\u7684\u540c\u6642\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e EXPIRE \u547d\u4ee4\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u91cb\u653e\u9396\uff1a<\/strong>\u91cb\u653e\u9396\u6642\uff0c\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u9396\u3002\u9019\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u9396\u7684\u503c\u4f86\u5be6\u73fe\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-PRPnARHOIM\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\n# \u7372\u53d6\u9396\ndef acquire_lock(redis_client, lock_name, acquire_time=10):\n    identifier = str(uuid.uuid4())  # \u751f\u6210\u552f\u4e00\u6a19\u8b58\n    lock = redis_client.set(lock_name, identifier, nx=True, ex=acquire_time)\n    return lock, identifier\n\n# \u91cb\u653e\u9396\ndef release_lock(redis_client, lock_name, identifier):\n    pipe = redis_client.pipeline(True)\n    while True:\n        try:\n            pipe.watch(lock_name)  # \u76e3\u8996\u9396\n            if pipe.get(lock_name) == identifier:  # \u78ba\u4fdd\u662f\u6301\u6709\u8005\n                pipe.multi()\n                pipe.delete(lock_name)  # \u91cb\u653e\u9396\n                pipe.execute()\n                return True\n            pipe.unwatch()\n            break\n        except redis.WatchError:\n            continue\n    return False\n<\/code><\/pre>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-PRPnARHOIM\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-PRPnARHOIM\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis \u7684\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u4ee3\u78bc\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>Redis \u53ef\u4ee5\u8f15\u9b06\u64f4\u5c55\uff0c\u9069\u5408\u5927\u898f\u6a21\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-PRPnARHOIM\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u53ef\u9760\u6027\uff1a<\/strong>\u5982\u679c\u6301\u6709\u9396\u7684\u9032\u7a0b\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\uff0c\u5f9e\u800c\u9020\u6210\u6b7b\u9396\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u9ad8\u5ef6\u9072\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-PRPnARHOIM\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u5354\u8abf\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u7684\u5834\u666f\u3002\u96d6\u7136 Redis \u5206\u5e03\u5f0f\u9396\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u4ecd\u7136\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u548c\u53ef\u9760\u7684\u9396\u6a5f\u5236\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7406\u89e3 Redis \u5206\u5e03\u5f0f\u9396\u7684\u539f\u7406\u548c\u5be6\u73fe\u65b9\u5f0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eRedis\u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u539f\u7406\uff0c\u89e3\u6790\u5176\u5de5\u4f5c\u6a5f\u5236\u8207\u61c9\u7528\u5834\u666f\uff0c\u52a9\u4f60\u7406\u89e3\u9ad8\u6548\u9396\u7ba1\u7406\u7684\u95dc\u9375\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-128341","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128341","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=128341"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128341\/revisions"}],"predecessor-version":[{"id":128342,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128341\/revisions\/128342"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}