{"id":380,"date":"2023-09-02T12:58:28","date_gmt":"2023-09-02T04:58:28","guid":{"rendered":"https:\/\/www.aqrboyblog.top\/?p=380"},"modified":"2026-02-01T16:48:14","modified_gmt":"2026-02-01T08:48:14","slug":"redis","status":"publish","type":"post","link":"https:\/\/www.aqrboyblog.top\/?p=380","title":{"rendered":"Redis\u7b80\u4ecb"},"content":{"rendered":"\n

\u4e00\u3001\u7b80\u5355\u4ecb\u7ecd<\/h1>\n\n\n\n

1\u3001string\u5b57\u7b26\u4e32\u7c7b\u578b
String\u662fRedis\u6700\u57fa\u672c\u7684\u7c7b\u578b\uff0c\u4f60\u53ef\u4ee5\u7406\u89e3\u6210\u4e0eMemcached\u4e00\u6a21\u4e00\u6837\u7684\u7c7b\u578b\uff0c\u4e00\u4e2akey\u5bf9\u5e94\u4e00\u4e2avalue\u3002
String\u7c7b\u578b\u662f\u4e8c\u8fdb\u5236\u5b89\u5168\u7684\u3002\u610f\u5473\u7740Redis\u7684string\u53ef\u4ee5\u5305\u542b\u4efb\u4f55\u6570\u636e\u3002\u6bd4\u5982jpg\u56fe\u7247\u6216\u8005\u5e8f\u5217\u5316\u7684\u5bf9\u8c61\u3002
String\u7c7b\u578b\u662fRedis\u6700\u57fa\u672c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4e00\u4e2aRedis\u4e2d\u5b57\u7b26\u4e32value\u6700\u591a\u53ef\u4ee5\u662f512M<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


2\u3001hash\u54c8\u5e0c\u7c7b\u578b
Redis hash \u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u96c6\u5408\u3002
Redis hash\u662f\u4e00\u4e2astring\u7c7b\u578b\u7684field\u548cvalue\u7684\u6620\u5c04\u8868\uff0chash\u7279\u522b\u9002\u5408\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u3002\u7c7b\u4f3cJava\u91cc\u9762\u7684Map<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n


3\u3001list\u5217\u8868\u7c7b\u578b
\u5355\u952e\u591a\u503c
Redis \u5217\u8868\u662f\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u6309\u7167\u63d2\u5165\u987a\u5e8f\u6392\u5e8f\u3002\u4f60\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u5230\u5217\u8868\u7684\u5934\u90e8\uff08\u5de6\u8fb9\uff09\u6216\u8005\u5c3e\u90e8\uff08\u53f3\u8fb9\uff09\u3002
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\"\"<\/figure>\n\n\n\n

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

4\u3001set\u96c6\u5408\u7c7b\u578b
Redis set\u5bf9\u5916\u63d0\u4f9b\u7684\u529f\u80fd\u4e0elist\u7c7b\u4f3c\u662f\u4e00\u4e2a\u5217\u8868\u7684\u529f\u80fd\uff0c\u7279\u6b8a\u4e4b\u5904\u5728\u4e8eset\u662f\u53ef\u4ee5\u81ea\u52a8\u6392\u91cd\u7684\uff0c\u5f53\u4f60\u9700\u8981\u5b58\u50a8\u4e00\u4e2a\u5217\u8868\u6570\u636e\uff0c\u53c8\u4e0d\u5e0c\u671b\u51fa\u73b0\u91cd\u590d\u6570\u636e\u65f6\uff0cset\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\uff0c\u5e76\u4e14set\u63d0\u4f9b\u4e86\u5224\u65ad\u67d0\u4e2a\u6210\u5458\u662f\u5426\u5728\u4e00\u4e2aset\u96c6\u5408\u5185\u7684\u91cd\u8981\u63a5\u53e3\uff0c\u8fd9\u4e2a\u4e5f\u662flist\u6240\u4e0d\u80fd\u63d0\u4f9b\u7684\u3002
Redis\u7684Set\u662fstring\u7c7b\u578b\u7684\u65e0\u5e8f\u96c6\u5408\u3002\u5b83\u5e95\u5c42\u5176\u5b9e\u662f\u4e00\u4e2avalue\u4e3anull\u7684hash\u8868\uff0c\u6240\u4ee5\u6dfb\u52a0\uff0c\u5220\u9664\uff0c\u67e5\u627e\u7684\u590d\u6742\u5ea6\u90fd\u662fO(1)\u3002
\u4e00\u4e2a\u7b97\u6cd5\uff0c\u968f\u7740\u6570\u636e\u7684\u589e\u52a0\uff0c\u6267\u884c\u65f6\u95f4\u7684\u957f\u77ed\uff0c\u5982\u679c\u662fO(1)\uff0c\u6570\u636e\u589e\u52a0\uff0c\u67e5\u627e\u6570\u636e\u7684\u65f6\u95f4\u4e0d\u53d8
<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

5.zset\u6709\u5e8f\u96c6\u5408\u7c7b\u578b
Redis\u6709\u5e8f\u96c6\u5408zset\u4e0e\u666e\u901a\u96c6\u5408set\u975e\u5e38\u76f8\u4f3c\uff0c\u662f\u4e00\u4e2a\u6ca1\u6709\u91cd\u590d\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u96c6\u5408\u3002
\u4e0d\u540c\u4e4b\u5904\u662f\u6709\u5e8f\u96c6\u5408\u7684\u6bcf\u4e2a\u6210\u5458\u90fd\u5173\u8054\u4e86\u4e00\u4e2a\u8bc4\u5206\uff08score\uff09,\u8fd9\u4e2a\u8bc4\u5206\uff08score\uff09\u88ab\u7528\u6765\u6309\u7167\u4ece\u6700\u4f4e\u5206\u5230\u6700\u9ad8\u5206\u7684\u65b9\u5f0f\u6392\u5e8f\u96c6\u5408\u4e2d\u7684\u6210\u5458\u3002\u96c6\u5408\u7684\u6210\u5458\u662f\u552f\u4e00\u7684\uff0c\u4f46\u662f\u8bc4\u5206\u53ef\u4ee5\u662f\u91cd\u590d\u4e86 \u3002
\u56e0\u4e3a\u5143\u7d20\u662f\u6709\u5e8f\u7684, \u6240\u4ee5\u4f60\u4e5f\u53ef\u4ee5\u5f88\u5feb\u7684\u6839\u636e\u8bc4\u5206\uff08score\uff09\u6216\u8005\u6b21\u5e8f\uff08position\uff09\u6765\u83b7\u53d6\u4e00\u4e2a\u8303\u56f4\u7684\u5143\u7d20\u3002
\u8bbf\u95ee\u6709\u5e8f\u96c6\u5408\u7684\u4e2d\u95f4\u5143\u7d20\u4e5f\u662f\u975e\u5e38\u5feb\u7684,\u56e0\u6b64\u4f60\u80fd\u591f\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f5c\u4e3a\u4e00\u4e2a\u6ca1\u6709\u91cd\u590d\u6210\u5458\u7684\u667a\u80fd\u5217\u8868\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u793a\u4f8b<\/h2>\n\n\n\n

1.\u8ba1\u6570\u5668 string
\u5355\u7ebf\u7a0b\uff0c\u907f\u514d\u5e76\u53d1\u95ee\u9898\uff0c\u4fdd\u8bc1\u4e0d\u4f1a\u51fa\u9519\uff0c\u6beb\u79d2\u7ea7\u6027\u80fd
\u547d\u4ee4\uff1aINCRBY incrby<\/p>\n\n\n\n

2.\u961f\u5217 list \u7b80\u5355\u6d88\u606f\u961f\u5217<\/a>\u3001\u7528\u6237\u7b2c\u51e0\u4e2a\u8bbf\u95ee\u3001\u65b0\u95fb\u5217\u8868\u6392\u5e8f
\u7531\u4e8eredis\u628a\u6570\u636e\u6dfb\u52a0\u5230\u961f\u5217\u662f\u8fd4\u56de\u6dfb\u52a0\u5143\u7d20\u5728\u961f\u5217\u7684\u7b2c\u51e0\u4f4d\uff0c\u6240\u4ee5\u53ef\u4ee5\u505a\u5224\u65ad\u7528\u6237\u662f\u7b2c\u51e0\u4e2a\u8bbf\u95ee\u8fd9\u79cd\u4e1a\u52a1
\u65b0\u95fb\u5217\u8868\u9875\u9762\u6700\u65b0\u7684\u65b0\u95fb\u5217\u8868\uff0credis\u7684 LPUSH\u547d\u4ee4\u6784\u5efaList<\/p>\n\n\n\n

3.\u5728\u7ebf\u72b6\u6001\u3001\u7b7e\u5230\uff08\u5927\u6570\u636e\u5904\u7406\uff09
\u51e0\u4ebf\u7528\u6237\u7cfb\u7edf\u7684\u7b7e\u5230\uff0c\u53bb\u91cd\u767b\u5f55\u6b21\u6570\u7edf\u8ba1\uff0c\u7528\u6237\u662f\u5426\u5728\u7ebf\u72b6\u6001
setbit\u3001getbit\u3001bitcount\u547d\u4ee4<\/p>\n\n\n\n

\u539f\u7406\u662f\uff1a
redis\u5185\u6784\u5efa\u4e00\u4e2a\u8db3\u591f\u957f\u7684\u6570\u7ec4\uff0c\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u53ea\u80fd\u662f0\u548c1\u4e24\u4e2a\u503c
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4.hash\u5b9e\u73b0\u5e42\u7b49\u6027\u8bf7\u6c42
\uff08hash\u5b9e\u73b0\u5e42\u7b49\u6027\u8bf7\u6c42\uff09\u9a8c\u8bc1\u524d\u7aef\u7684\u91cd\u590d\u8bf7\u6c42\uff0c\u901a\u8fc7redis\u8fdb\u884c\u8fc7\u6ee4\uff1a\u6bcf\u6b21\u8bf7\u6c42\u5c06request ip\u3001\u53c2\u6570\u3001\u63a5\u53e3\u7b49hash\u4f5c\u4e3akey\u5b58\u50a8redis\uff0c\u8bbe\u7f6e\u591a\u957f\u65f6\u95f4\u6709\u6548\u671f\uff0c\u7136\u540e\u4e0b\u6b21\u8bf7\u6c42\u8fc7\u6765\u7684\u65f6\u5019\u5148\u5728redis\u4e2d\u68c0\u7d22\u6709\u6ca1\u6709\u8fd9\u4e2akey\uff0c\u8fdb\u800c\u9a8c\u8bc1\u662f\u4e0d\u662f\u4e00\u5b9a\u65f6\u95f4\u5185\u8fc7\u6765\u7684\u91cd\u590d\u63d0\u4ea4<\/p>\n\n\n\n

5.\u79d2\u6740\u7cfb\u7edf\uff08\u9632\u6b62\u8d85\u5356\uff09\uff0c\u5355\u7ebf\u7a0b\u7279\u5f81\uff0c\u81ea\u589e\uff0c\u65e0\u5e76\u53d1\u95ee\u9898 string<\/p>\n\n\n\n

6.\u5168\u5c40\u589e\u91cfID\u751f\u6210 \u751f\u6210\u5168\u5c40\u552f\u4e00\u5546\u54c1\u5e8f\u5217\u53f7\u3001\u63d2\u5165\u6570\u636e\u91cd\u590d\u95ee\u9898<\/p>\n\n\n\n

7.\u6392\u884c\u699c zrevrank \u67e5\u770b\u524dn\u540d ZRANGE \u67e5\u770b\u6240\u6709\u6392\u540d O(log(N))<\/p>\n\n\n\n


<\/h2>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u7b80\u5355\u4ecb\u7ecd 1\u3001string\u5b57\u7b26\u4e32\u7c7b\u578bSt […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67,65,1],"tags":[],"class_list":["post-380","post","type-post","status-publish","format-standard","hentry","category-linux","category-65","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/posts\/380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=380"}],"version-history":[{"count":4,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/posts\/380\/revisions"}],"predecessor-version":[{"id":437,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=\/wp\/v2\/posts\/380\/revisions\/437"}],"wp:attachment":[{"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aqrboyblog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}