{"id":154419,"date":"2024-11-02T15:39:21","date_gmt":"2024-11-02T07:39:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154419\/"},"modified":"2024-11-02T15:39:22","modified_gmt":"2024-11-02T07:39:22","slug":"%e8%ae%80%e5%88%a9%e7%94%a8-redis-%e9%81%bf%e5%85%8d%e9%ab%92%e8%ae%80%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95%ef%bc%88redis-%e9%81%bf%e5%85%8d%e9%ab%92%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154419\/","title":{"rendered":"\u8b80\u5229\u7528 Redis \u907f\u514d\u9ad2\u8b80\u7684\u6709\u6548\u65b9\u6cd5\uff08Redis \u907f\u514d\u9ad2\uff09"},"content":{"rendered":"

\u8b80\u5229\u7528 Redis \u907f\u514d\u9ad2\u8b80\u7684\u6709\u6548\u65b9\u6cd5\uff08Redis \u907f\u514d\u9ad2\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u9ad2\u8b80\uff08Dirty Read\uff09\u662f\u6307\u5728\u4e8b\u52d9\u4e2d\u8b80\u53d6\u5230\u672a\u63d0\u4ea4\u7684\u6578\u64da\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u7d50\u679c\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u96d6\u7136\u5176\u4e3b\u8981\u8a2d\u8a08\u76ee\u7684\u662f\u70ba\u4e86\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u4e5f\u53ef\u80fd\u9762\u81e8\u9ad2\u8b80\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u907f\u514d\u9ad2\u8b80\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n

\u9ad2\u8b80\u7684\u5b9a\u7fa9\u8207\u5f71\u97ff<\/h2>\n

\u9ad2\u8b80\u767c\u751f\u5728\u4e00\u500b\u4e8b\u52d9\u8b80\u53d6\u4e86\u53e6\u4e00\u500b\u4e8b\u52d9\u5c1a\u672a\u63d0\u4ea4\u7684\u6578\u64da\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u5982\u679c\u7b2c\u4e00\u500b\u4e8b\u52d9\u56de\u6efe\uff0c\u5247\u7b2c\u4e8c\u500b\u4e8b\u52d9\u6240\u8b80\u53d6\u7684\u6578\u64da\u5c07\u662f\u7121\u6548\u7684\u3002\u9019\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\u932f\u8aa4\uff0c\u9032\u800c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n

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

Redis \u662f\u4e00\u500b\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\u5176\u9ad8\u6027\u80fd\u7684\u7279\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u7136\u800c\uff0cRedis \u7684\u6578\u64da\u4e00\u81f4\u6027\u6a21\u578b\u662f\u57fa\u65bc\u6700\u7d42\u4e00\u81f4\u6027\uff0c\u9019\u610f\u5473\u8457\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u53ef\u80fd\u6703\u51fa\u73fe\u77ed\u66ab\u7684\u4e0d\u4e00\u81f4\u6027\u3002<\/p>\n

\u907f\u514d\u9ad2\u8b80\u7684\u6709\u6548\u65b9\u6cd5<\/h2>\n

1. \u4f7f\u7528\u4e8b\u52d9\uff08Transactions\uff09<\/h3>\n

Redis \u63d0\u4f9b\u4e86\u4e8b\u52d9\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u901a\u904e MULTI\u3001EXEC\u3001WATCH \u7b49\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff0c\u5f9e\u800c\u907f\u514d\u9ad2\u8b80\u7684\u60c5\u6cc1\u3002<\/p>\n

MULTI\nSET key1 value1\nSET key2 value2\nEXEC<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709\u7576\u6240\u6709\u7684 SET \u64cd\u4f5c\u90fd\u6210\u529f\u6642\uff0c\u6578\u64da\u624d\u6703\u88ab\u63d0\u4ea4\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u9ad2\u8b80\u7684\u98a8\u96aa\u3002<\/p>\n
2. \u4f7f\u7528 WATCH \u547d\u4ee4<\/h3>\n
WATCH \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u7576\u9019\u4e9b\u9375\u88ab\u5176\u4ed6\u4e8b\u52d9\u4fee\u6539\u6642\uff0c\u7576\u524d\u4e8b\u52d9\u5c07\u6703\u5931\u6557\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u5728\u4e8b\u52d9\u57f7\u884c\u904e\u7a0b\u4e2d\u51fa\u73fe\u9ad2\u8b80\u7684\u60c5\u6cc1\u3002<\/p>\n
WATCH key1\nMULTI\nSET key1 value1\nEXEC<\/code><\/pre>\n
\u5982\u679c\u5728 EXEC \u4e4b\u524d\uff0ckey1 \u88ab\u5176\u4ed6\u4e8b\u52d9\u4fee\u6539\uff0c\u5247\u7576\u524d\u4e8b\u52d9\u5c07\u4e0d\u6703\u57f7\u884c\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u9ad2\u8b80\u3002<\/p>\n
3. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n
Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u9019\u610f\u5473\u8457\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u51fa\u73fe\u9ad2\u8b80\u7684\u60c5\u6cc1\u3002<\/p>\n
eval \"redis.call('set', KEYS[1], ARGV[1])\" 1 key1 value1<\/code><\/pre>\n
\u9019\u6a23\u7684\u64cd\u4f5c\u78ba\u4fdd\u4e86\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\uff0ckey1 \u7684\u503c\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u5f71\u97ff\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u9ad2\u8b80\u662f\u4e00\u500b\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u9700\u8981\u7279\u5225\u6ce8\u610f\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u4e8b\u52d9\u3001WATCH \u547d\u4ee4\u548c Lua \u8173\u672c\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u9ad2\u8b80\u7684\u60c5\u6cc1\uff0c\u5f9e\u800c\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 \u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u7a69\u5b9a\u7684 \u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u6700\u4f73\u7684\u652f\u6301\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u6709\u6548\u5229\u7528 Redis \u907f\u514d\u9ad2\u8b80\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u8207\u7a69\u5b9a\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-154419","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154419","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=154419"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154419\/revisions"}],"predecessor-version":[{"id":154420,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154419\/revisions\/154420"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}