{"id":197663,"date":"2024-11-14T09:40:52","date_gmt":"2024-11-14T01:40:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197663\/"},"modified":"2024-11-14T09:40:53","modified_gmt":"2024-11-14T01:40:53","slug":"%e5%88%a9%e7%94%a8redis%e6%9c%89%e6%95%88%e9%81%bf%e5%85%8d%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197663\/","title":{"rendered":"\u5229\u7528Redis\u6709\u6548\u907f\u514d\u91cd\u8907\u57f7\u884c\uff08redis\u7de9\u5b58\u91cd\u8907\u57f7\u884c\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e6%9c%89%e6%95%88%e9%81%bf%e5%85%8d%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c%ef%bc%89-FMvfxKsNif\">\u5229\u7528Redis\u6709\u6548\u907f\u514d\u91cd\u8907\u57f7\u884c\uff08redis\u7de9\u5b58\u91cd\u8907\u57f7\u884c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0c\u958b\u767c\u8005\u9762\u81e8\u8457\u5982\u4f55\u6709\u6548\u7ba1\u7406\u8cc7\u6e90\u548c\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u6311\u6230\u3002\u91cd\u8907\u57f7\u884c\u7684\u554f\u984c\u5e38\u5e38\u5c0e\u81f4\u8cc7\u6e90\u6d6a\u8cbb\u548c\u6027\u80fd\u4e0b\u964d\uff0c\u800cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5e6b\u52a9\u958b\u767c\u8005\u907f\u514d\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-FMvfxKsNif\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\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\u5b83\u901a\u5e38\u7528\u4f5c\u6578\u64da\u5eab\u3001\u7de9\u5b58\u548c\u6d88\u606f\u4ee3\u7406\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n<h2 id=\"%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c%e7%9a%84%e5%95%8f%e9%a1%8c-FMvfxKsNif\">\u91cd\u8907\u57f7\u884c\u7684\u554f\u984c<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u7279\u5225\u662f\u6d89\u53ca\u5230\u7db2\u7d61\u8acb\u6c42\u6216\u8a08\u7b97\u5bc6\u96c6\u578b\u64cd\u4f5c\u6642\uff0c\u91cd\u8907\u57f7\u884c\u7684\u554f\u984c\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8acb\u6c42\u76f8\u540c\u7684\u6578\u64da\u6216\u57f7\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u91cd\u8907\u8655\u7406\u9019\u4e9b\u8acb\u6c42\uff0c\u5f9e\u800c\u6d6a\u8cbb\u8cc7\u6e90\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u4e86\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"redis%e5%a6%82%e4%bd%95%e5%b9%ab%e5%8a%a9%e9%81%bf%e5%85%8d%e9%87%8d%e8%a4%87%e5%9f%b7%e8%a1%8c-FMvfxKsNif\">Redis\u5982\u4f55\u5e6b\u52a9\u907f\u514d\u91cd\u8907\u57f7\u884c<\/h2>\n<p>Redis\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u6709\u6548\u907f\u514d\u91cd\u8907\u57f7\u884c\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u6a5f\u5236\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u5206\u4f48\u5f0f\u9396\uff0c\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u57f7\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u500b\u8acb\u6c42\u540c\u6642\u57f7\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u8acb\u6c42\u7de9\u5b58\uff1a<\/strong>\u5c07\u8acb\u6c42\u7684\u7d50\u679c\u7de9\u5b58\u5728Redis\u4e2d\uff0c\u7576\u76f8\u540c\u7684\u8acb\u6c42\u518d\u6b21\u5230\u4f86\u6642\uff0c\u53ef\u4ee5\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u7d50\u679c\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u57f7\u884c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u904e\u671f\u7b56\u7565\uff1a<\/strong>\u5229\u7528Redis\u7684\u904e\u671f\u529f\u80fd\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u7de9\u5b58\u7684\u6709\u6548\u671f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6642\u6548\u6027\uff0c\u907f\u514d\u904e\u671f\u6578\u64da\u7684\u91cd\u8907\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e9%8e%96%e6%a9%9f%e5%88%b6-FMvfxKsNif\">\u793a\u4f8b\uff1a\u4f7f\u7528Redis\u9396\u6a5f\u5236<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u9396\u6a5f\u5236\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef execute_task(task_id):\n    lock_key = f\"lock:{task_id}\"\n    lock = r.lock(lock_key, timeout=10)  # \u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\n\n    if lock.acquire(blocking=False):  # \u5617\u8a66\u7372\u53d6\u9396\n        try:\n            # \u57f7\u884c\u4efb\u52d9\n            print(f\"\u57f7\u884c\u4efb\u52d9 {task_id}\")\n            time.sleep(5)  # \u6a21\u64ec\u4efb\u52d9\u57f7\u884c\u6642\u9593\n        finally:\n            lock.release()  # \u91cb\u653e\u9396\n    else:\n        print(f\"\u4efb\u52d9 {task_id} \u6b63\u5728\u57f7\u884c\u4e2d\uff0c\u8acb\u7a0d\u5f8c\u518d\u8a66\u3002\")\n\n# \u6a21\u64ec\u591a\u500b\u8acb\u6c42\nfor i in range(3):\n    execute_task(1)  # \u6240\u6709\u8acb\u6c42\u90fd\u5617\u8a66\u57f7\u884c\u4efb\u52d91\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576\u591a\u500b\u8acb\u6c42\u5617\u8a66\u57f7\u884c\u76f8\u540c\u7684\u4efb\u52d9\u6642\uff0c\u53ea\u6709\u7b2c\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u7372\u53d6\u9396\u4e26\u57f7\u884c\u4efb\u52d9\uff0c\u5176\u4ed6\u8acb\u6c42\u5247\u6703\u7b49\u5f85\u6216\u8fd4\u56de\u63d0\u793a\u4fe1\u606f\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u91cd\u8907\u57f7\u884c\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-FMvfxKsNif\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u7684\u9ad8\u6548\u7de9\u5b58\u548c\u9396\u6a5f\u5236\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u907f\u514d\u91cd\u8907\u57f7\u884c\u7684\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0cRedis\u7684\u61c9\u7528\u5834\u666f\u5c07\u6703\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\uff0c\u6210\u70ba\u958b\u767c\u8005\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u5e36\u4f86\u66f4\u597d\u7684\u6548\u76ca\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u7de9\u5b58\u6280\u8853\uff0c\u6709\u6548\u907f\u514d\u91cd\u8907\u57f7\u884c\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u78ba\u4fdd\u4efb\u52d9\u552f\u4e00\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-197663","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197663","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=197663"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197663\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}