{"id":201447,"date":"2025-05-10T10:06:09","date_gmt":"2025-05-10T02:06:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201447\/"},"modified":"2025-05-10T10:06:09","modified_gmt":"2025-05-10T02:06:09","slug":"%e5%b0%8f%e7%99%bd%e4%b9%9f%e8%83%bd%e7%9c%8b%e6%87%82%e7%9a%84redis%e9%81%8d%e5%8e%86%e9%94%ae%e5%92%8c%e6%95%b0%e6%8d%ae%e5%ba%93%e7%ae%a1%e7%90%86%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201447\/","title":{"rendered":"\u5c0f\u767d\u4e5f\u80fd\u770b\u61c2\u7684Redis\u904d\u5386\u952e\u548c\u6570\u636e\u5e93\u7ba1\u7406\u8be6\u89e3"},"content":{"rendered":"

<\/b> <\/p>\n

\u5c0f\u767d\u4e5f\u80fd\u770b\u61c2\u7684Redis\u904d\u5386\u952e\u548c\u6570\u636e\u5e93\u7ba1\u7406\u8be6\u89e3<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5c0f\u767d\u4e5f\u80fd\u770b\u61c2\u7684Redis\u904d\u5386\u952e\u548c\u6570\u636e\u5e93\u7ba1\u7406\u8be6\u89e3\u300b\uff0c\u4e3b\u8981\u5305\u62ec\u6570\u636e\u5e93\u3001Redis\u904d\u5386\u952e\u3001\u6570\u636e\u7ba1\u7406\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

1 \u904d\u5386\u952e<\/h2>\n

\u7ecf\u8fc7\u6211\u4eec\u4e4b\u524d\u7684\u8bb2\u89e3\uff0credis\u7684API\u5df2\u7ecf\u6240\u5269\u65e0\u51e0\u4e86\uff0c\u6211\u4eec\u8fd9\u7bc7\u770b\u4e00\u770b\u904d\u5386\u952e<\/strong>\u548c\u6570\u636e\u5e93\u7ba1\u7406<\/strong><\/p>\n

1.1 \u5168\u91cf\u904d\u5386\u952e<\/h3>\n

\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u5168\u91cf\u904d\u5386\u6240\u6709\u7684\u952e\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u7528\u5230keys pattern<\/code>\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5e76\u4e14\u8fd9\u4e2a\u547d\u4ee4\u652f\u6301pattern\u5339\u914d<\/p>\n

127.0.0.1:6379> mset name luke neme josh\nOK\n<\/pre>\n
\u82e5\u662f\u60f3\u8981\u904d\u5386\u6240\u6709\u7684\u952e\u5219\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4keys *<\/code><\/p>\n
127.0.0.1:6379> keys *\n1) \"name\"\n2) \"neme\"\n<\/pre>\n
pattern\u4f7f\u7528\u7684\u662fglob\u98ce\u683c\u7684\u901a\u914d\u7b26\uff0c\u5176\u4e2d\uff1a<\/p>\n
    \n
  • * \u4ee3\u8868\u4efb\u610f\u5b57\u7b26<\/li>\n
  • \uff1f\u4ee3\u8868\u4e00\u4e2a\u5b57\u7b26<\/li>\n
  • [] \u4ee3\u8868\u5339\u914d\u90e8\u5206\u5b57\u7b26\uff0c\u4f8b\u5982[a,b]\u8868\u793a\u5339\u914da,b\u4e24\u4e2a\u5b57\u7b26\uff0c[1-10]\u8868\u793a\u5339\u914d1\u523010\u7684\u4efb\u610f\u6570\u5b57<\/li>\n
  • \\x \u8868\u793a\u8f6c\u4e49\uff0c\u5f53\u9700\u8981\u5339\u914d*\u8fd9\u4e2a\u5b57\u7b26\u7684\u65f6\u5019\uff0c\u5c31\u9700\u8981\u8f6c\u4e49<\/li>\n<\/ul>\n
    \u6211\u4eec\u53ef\u4ee5\u505a\u5982\u4e0b\u64cd\u4f5c:<\/p>\n
    127.0.0.1:6379> keys n[a,e]me\n1) \"name\"\n2) \"neme\"\n<\/pre>\n
    \u4e5f\u53ef\u4ee5\u8fd9\u6837\u64cd\u4f5c<\/p>\n
    127.0.0.1:6379> keys n?me\n1) \"name\"\n2) \"neme\"\n<\/pre>\n
    \u4f46\u662f\u5f53redis\u6570\u636e\u5e93\u4e2d\u6709\u5927\u91cf\u7684\u952e\u7684\u65f6\u5019\uff0ckeys\u4f1a\u963b\u585eredis\u3002<\/p>\n
    \u82e5\u662f\u6211\u4eec\u6709\u9700\u6c42\u9700\u8981\u904d\u5386\u952e\u90a3\u4e48\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n
    \u4e00\u822c\u6211\u4eec\u751f\u4ea7\u73af\u5883\u662f\u591a\u8282\u70b9\u7684\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u627e\u4e00\u4e2a\u4e0d\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u7684redis\u4ece\u8282\u70b9\u8fdb\u884c\u904d\u5386\u6570\u636e<\/strong>\uff0c\u4f46\u662f\u82e5\u662f\u6570\u636e\u91cf\u5927\u8fd8\u662f\u4f1a\u963b\u585eredis\uff0c\u4f46\u662f\u5bf9\u4e8e\u4ece\u8282\u70b9\u6765\u8bf4\uff0c\u53ea\u662f\u5f71\u54cd\u5230\u4e86\u4e3b\u4ece\u590d\u5236\u3002<\/p>\n
    \u82e5\u662f\u786e\u5b9aredis\u4e0a\u7684\u952e\u5e76\u4e0d\u591a\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u3002<\/p>\n
    1.2 \u6e10\u8fdb\u5f0f\u904d\u5386<\/h3>\n
    \u6e10\u8fdb\u5f0f\u904d\u5386\u5c31\u662f\u6bcf\u6b21\u904d\u5386\u90e8\u5206key<\/strong>\uff0c\u7136\u540e\u8fd4\u56de\uff0c\u4e0b\u4e00\u6b21\u63a5\u7740\u904d\u5386\u4e4b\u540e\u7684\u6570\u636e\u3002\u8fd9\u6837\u5373\u53ef\u4ee5\u904d\u5386\u6240\u6709\u6570\u636e\uff0c\u4e5f\u4e0d\u4f1a\u963b\u585eredis\u670d\u52a1\u3002<\/p>\n
    scan cursor [MATCH pattern] [COUNT count]\n<\/pre>\n
    \u5176\u4e2d\u7684\u53c2\u6570\u89e3\u91ca\u5982\u4e0b\uff1a<\/p>\n
    cursor<\/code>\u662f\u5fc5\u987b\u53c2\u6570\uff0c\u4ed6\u662f\u4e00\u4e2a\u6e38\u6807\uff0c\u8868\u793a\u8fd9\u6b21\u904d\u5386\u5230\u54ea\u91cc\u4e86\uff0c\u4e0b\u6b21\u5c31\u4ece\u8fd9\u4e2a\u6e38\u6807\u5f00\u59cb\uff0c\u82e5\u662f\u8fd4\u56de0\u5219\u8868\u793a\u904d\u5386\u5b8c\u6210\u4e86\u3002<\/p>\n
    MATCH pattern<\/code> \u662f\u53ef\u9009\u53c2\u6570\uff0c\u548ckeys\u7684pattern\u662f\u4e00\u6837\u7684<\/p>\n
    COUNT count<\/code> \u8868\u793a\u904d\u5386\u51e0\u4e2akey\uff0c\u9ed8\u8ba4\u662f10\u4e2a\uff0c\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u53ef\u8fdb\u884c\u589e\u52a0<\/p>\n
    127.0.0.1:6379> mset a 1 b 1 c 1 d 1 e 1 f 1 g 1 h 1 i 1 g 1 k 1 l 1 m 1 n 1 o 1 p 1 q 1 r 1 s 1 t 1 u 1 v 1 w 1 x 1 y 1 z 1\nOK\n<\/pre>\n
    \u6211\u4eec\u4f7f\u7528scan\u8fdb\u884c\u904d\u5386\uff0c\u7b2c\u4e00\u6b21\u6267\u884c\u8fd4\u56de\u5982\u4e0b\uff1a<\/p>\n
    127.0.0.1:6379> scan 0\n1) \"1\"\n2)  1) \"l\"\n    2) \"f\"\n    3) \"k\"\n    4) \"y\"\n    5) \"c\"\n    6) \"e\"\n    7) \"w\"\n    8) \"d\"\n    9) \"b\"\n   10) \"o\"\n   11) \"q\"\n<\/pre>\n
    \u7b2c\u4e8c\u6b21\u4f7f\u7528\u7b2c\u4e00\u6b21\u8fd4\u56de\u76841\u8fdb\u884c\u904d\u5386\uff0c\u53c8\u53ef\u4ee5\u904d\u5386\u523010\u4e2akey<\/p>\n
    127.0.0.1:6379> scan 1\n1) \"23\"\n2)  1) \"v\"\n    2) \"u\"\n    3) \"z\"\n    4) \"g\"\n    5) \"n\"\n    6) \"s\"\n    7) \"i\"\n    8) \"a\"\n    9) \"r\"\n   10) \"t\"\n<\/pre>\n
    \u7b2c\u4e09\u6b21\u4f7f\u7528\u7b2c\u4e8c\u6b21\u8fd4\u56de\u768423\u8fdb\u884c\u904d\u5386\uff0c\u5f53\u8fd4\u56de\u4e3a0\u7684\u65f6\u5019\uff0c\u5219\u8868\u793a\u904d\u5386\u5b8c\u6210<\/p>\n
    127.0.0.1:6379> scan 23\n1) \"0\"\n2) 1) \"x\"\n   2) \"h\"\n   3) \"m\"\n   4) \"p\"\n<\/pre>\n
    \u540c\u65f6\u8fd8\u6709\u9488\u5bf9\u4e8e\u54c8\u5e0c\u7c7b\u578b\u7684hscan\uff0c\u9488\u5bf9\u96c6\u5408\u7c7b\u578b\u7684sscan\uff0c\u548c\u9488\u5bf9\u6709\u5e8f\u96c6\u5408\u7684zscan\uff0c\u4f7f\u7528\u65b9\u6cd5\u4e0escan\u90fd\u662f\u76f8\u540c\u7684<\/p>\n
    2 \u6570\u636e\u5e93\u7ba1\u7406<\/h2>\n
    redis\u8fd8\u6709\u51e0\u4e2a\u9762\u5411\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u547d\u4ee4\uff1adbsize<\/code>\uff0cselect<\/code>\uff0cflushdb\/flushall<\/code><\/p>\n
    2.1 \u5207\u6362\u6570\u636e\u5e93\uff0cselect<\/h3>\n
    select dbIndex<\/code>dbIndex\u662f\u5bf9\u5e94\u7684\u6570\u636e\u5e93\u5e8f\u53f7\uff0credis\u9ed8\u8ba4\u914d\u7f6e\u4e2d\u662f\u670916\u4e2a\u6570\u636e\u5e93\uff0cselect\u51e0\u5c31\u5207\u6362\u5230\u51e0\u53f7\u6570\u636e\u5e93\u3002<\/p>\n
    \u6bd4\u5982\u5728\u9ed8\u8ba4\u76840\u53f7\u6570\u636e\u5e93\u8bbe\u7f6e\u4e00\u4e2akey<\/p>\n
    127.0.0.1:6379> set name luke\nOK\n<\/pre>\n
    \u7136\u540e\u6211\u4eec\u5207\u6362\u52301\u53f7\u6570\u636e\u5e93\u6765\u83b7\u53d6\u8fd9\u4e2akey\uff0c\u5e76\u4e0d\u80fd\u83b7\u53d6\u5230\uff0c\u8868\u660e\u4e00\u4e2aredis\u670d\u52a1\u5185\u5404\u4e2a\u6570\u636e\u5e93\u4e4b\u95f4\u662f\u4e0d\u4e92\u901a\u7684\u3002<\/p>\n
    127.0.0.1:6379> select 1\nOK\n127.0.0.1:6379[1]> get name\n(nil)\n<\/pre>\n
    \u90a3\u4e48\u662f\u4e0d\u662f\u53ef\u4ee5\u5f53\u6210\u591a\u4e2aredis\u6765\u4f7f\u7528\u5462\uff0c\u5f53\u7136\u4e0d\u53ef\u4ee5\u3002\u867d\u7136\u5e93\u53d8\u591a\u4e86\uff0c\u4f46\u662f\u7531\u4e8eredis\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u5176\u5b9e\u8fd8\u662f\u4e00\u4e2aCPU\uff0c\u82e5\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u6709\u4e00\u6761\u547d\u4ee4\u6267\u884c\u5f88\u6162\uff0c\u5176\u4ed6\u5e93\u4e5f\u662f\u4f1a\u53d7\u5230\u5f71\u54cd\u7684\uff0c\u6240\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u82e5\u662f\u88ab\u5176\u4ed6\u5e93\u963b\u585e\uff0c\u5bf9\u4e8e\u4f7f\u7528\u67d0\u4e2a\u5e93\u7684\u5f00\u53d1\u4eba\u5458\uff0c\u5f88\u96be\u5206\u6790\u51fa\u662f\u4ec0\u4e48\u95ee\u9898\u3002<\/p>\n
    2.2 flushall\/flushdb<\/h3>\n
    flushall\u548cflushdb\u7684\u533a\u522b\u5728\u4e8e\uff0cflushall\u4f1a\u6e05\u9664\u6240\u6709\u5e93\u7684\u6240\u6709\u6570\u636e\uff0c\u800cflushdb\u53ea\u4f1a\u6e05\u9664\u5f53\u524d\u6570\u636e\u5e93\u7684\u3002<\/p>\n
    \u8fd9\u4e2a\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u6211\u4eec\u5c31\u4e0d\u4e3e\u4f8b\u5b50\u4e86\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e24\u4e2a\u547d\u4ee4\u4f1a\u6e05\u9664\u6240\u6709\u6570\u636e\uff0c\u4e00\u65e6\u8bef\u64cd\u4f5c<\/strong>\u540e\u679c\u4e0d\u582a\u60f3\u8c61\u3002\u800c\u4e14\u5f53key\u7279\u522b\u591a\u7684\u65f6\u5019\uff0c\u4e5f\u4f1a\u963b\u585eredis\uff0c\u6240\u4ee5\u5f53\u4f7f\u7528\u8fd9\u4e24\u4e2a\u547d\u4ee4\u7684\u65f6\u5019\u4e00\u5b9a\u8981\u614e\u4e4b\u53c8\u614e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5c0f\u767d\u4e5f\u80fd\u770b\u61c2\u7684Redis\u904d\u5386\u952e\u548c...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201447","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201447","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201447"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201447\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}