{"id":129397,"date":"2024-10-26T21:19:18","date_gmt":"2024-10-26T13:19:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129397\/"},"modified":"2024-10-26T21:19:18","modified_gmt":"2024-10-26T13:19:18","slug":"redis%e9%8e%96%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e9%81%8e%e6%9c%9f%ef%bc%88redis-%e9%8e%96%e9%81%8e%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129397\/","title":{"rendered":"Redis\u9396\u5982\u4f55\u907f\u514d\u904e\u671f\uff08redis \u9396\u904e\u671f\uff09"},"content":{"rendered":"

Redis\u9396\u5982\u4f55\u907f\u514d\u904e\u671f\uff08redis \u9396\u904e\u671f\uff09<\/h1>\n

\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u4f7f\u7528\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u9396\u6a5f\u5236\u3002\u7136\u800c\uff0cRedis\u9396\u7684\u904e\u671f\u554f\u984c\u537b\u662f\u958b\u767c\u8005\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u5e38\u5e38\u9762\u81e8\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u907f\u514dRedis\u9396\u7684\u904e\u671f\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis\u9396\u901a\u5e38\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u7684\uff0c\u9019\u500b\u9375\u7684\u503c\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u4e26\u4e14\u6703\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u5982\u679c\u9396\u7684\u64c1\u6709\u8005\u5728\u64cd\u4f5c\u5b8c\u6210\u4e4b\u524d\u5d29\u6f70\uff0c\u9396\u5c07\u5728\u904e\u671f\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n

\u9396\u904e\u671f\u7684\u554f\u984c<\/h2>\n

\u9396\u904e\u671f\u7684\u4e3b\u8981\u554f\u984c\u5728\u65bc\uff0c\u5982\u679c\u9396\u7684\u6301\u6709\u8005\u5728\u64cd\u4f5c\u904e\u7a0b\u4e2d\u8017\u6642\u904e\u9577\uff0c\u9396\u53ef\u80fd\u6703\u5728\u64cd\u4f5c\u5b8c\u6210\u4e4b\u524d\u904e\u671f\uff0c\u5c0e\u81f4\u5176\u4ed6\u8acb\u6c42\u7372\u5f97\u9396\uff0c\u5f9e\u800c\u5f15\u767c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u5c24\u70ba\u660e\u986f\u3002<\/p>\n

\u907f\u514dRedis\u9396\u904e\u671f\u7684\u7b56\u7565<\/h2>\n

1. \u4f7f\u7528\u8f03\u9577\u7684\u904e\u671f\u6642\u9593<\/h3>\n

\u6700\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u662f\u8a2d\u7f6e\u4e00\u500b\u8f03\u9577\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9396\u904e\u671f\u7684\u98a8\u96aa\uff0c\u4f46\u9019\u4e26\u4e0d\u662f\u4e00\u500b\u7406\u60f3\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u56e0\u70ba\u5982\u679c\u9396\u6301\u6709\u8005\u5d29\u6f70\uff0c\u9396\u5c07\u6703\u88ab\u9577\u6642\u9593\u4f54\u7528\u3002<\/p>\n

2. \u81ea\u52d5\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593<\/h3>\n

\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u505a\u6cd5\u662f\u5b9a\u671f\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\uff0c\u8a72\u4efb\u52d9\u6703\u5728\u9396\u6301\u6709\u8005\u57f7\u884c\u64cd\u4f5c\u7684\u904e\u7a0b\u4e2d\u5b9a\u671f\u66f4\u65b0\u9396\u7684\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

\nSET lock_key \"lock_value\" NX PX 30000  \/\/ \u8a2d\u7f6e\u9396\uff0c\u904e\u671f\u6642\u959330\u79d2\n\/\/ \u5728\u57f7\u884c\u64cd\u4f5c\u7684\u904e\u7a0b\u4e2d\nwhile (operation_is_running) {\n    \/\/ \u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\n    EXPIRE lock_key 30000\n    sleep(10)  \/\/ \u6bcf10\u79d2\u5ef6\u9577\u4e00\u6b21\n}\n<\/code><\/pre>\n
3. \u4f7f\u7528Redlock\u7b97\u6cd5<\/h3>\n
Redlock\u662f\u4e00\u7a2e\u7531Redis\u5275\u59cb\u4ebaAntirez\u63d0\u51fa\u7684\u5206\u4f48\u5f0f\u9396\u7b97\u6cd5\u3002\u5b83\u901a\u904e\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002Redlock\u7684\u57fa\u672c\u601d\u8def\u662f\uff1a\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\uff0c\u4e26\u8a2d\u7f6e\u76f8\u540c\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u67d0\u500b\u5be6\u4f8b\u5931\u6548\uff0c\u5176\u4ed6\u5be6\u4f8b\u4ecd\u7136\u53ef\u4ee5\u4fdd\u6301\u9396\u7684\u6709\u6548\u6027\u3002<\/p>\n
4. \u9396\u7684\u91cd\u8a66\u6a5f\u5236<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u9396\u7684\u6301\u6709\u8005\u53ef\u80fd\u6703\u56e0\u70ba\u67d0\u4e9b\u539f\u56e0\u7121\u6cd5\u5b8c\u6210\u64cd\u4f5c\u3002\u9019\u6642\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u91cd\u8a66\u6a5f\u5236\uff0c\u7576\u9396\u904e\u671f\u6642\uff0c\u5176\u4ed6\u8acb\u6c42\u53ef\u4ee5\u91cd\u65b0\u5617\u8a66\u7372\u53d6\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u56e0\u9396\u904e\u671f\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728\u4f7f\u7528Redis\u9396\u6642\uff0c\u907f\u514d\u9396\u904e\u671f\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u8a2d\u7f6e\u8f03\u9577\u7684\u904e\u671f\u6642\u9593\u3001\u81ea\u52d5\u5ef6\u9577\u9396\u7684\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528Redlock\u7b97\u6cd5\u4ee5\u53ca\u8a2d\u8a08\u9396\u7684\u91cd\u8a66\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9396\u904e\u671f\u5e36\u4f86\u7684\u554f\u984c\u3002\u9019\u4e9b\u7b56\u7565\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u589e\u5f37\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3Redis\u9396\u5982\u4f55\u907f\u514d\u904e\u671f\u554f\u984c\uff0c\u78ba\u4fdd\u9396\u7684\u6301\u4e45\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u61c9\u7528\u6548\u80fd\u8207\u53ef\u9760\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-129397","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129397","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=129397"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129397\/revisions"}],"predecessor-version":[{"id":129398,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129397\/revisions\/129398"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}