{"id":1248,"date":"2021-07-30T14:17:56","date_gmt":"2021-07-30T06:17:56","guid":{"rendered":"https:\/\/egonlin.com\/?p=1248"},"modified":"2024-04-06T16:45:02","modified_gmt":"2024-04-06T08:45:02","slug":"%e7%ac%ac%e4%ba%8c%e8%8a%82%ef%bc%9aredis%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1248","title":{"rendered":"\u7b2c\u4e8c\u8282\uff1aredis\u7b80\u4ecb"},"content":{"rendered":"

Redis\u7b80\u4ecb<\/h1>\n
\n

Redis\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\uff0cANSI C\u8bed\u8a00\u7f16\u5199\u7684\uff0c\u9ad8\u7ea7\u952e\u503c(key-value)\u7f13\u5b58\u548c\u652f\u6301\u6c38\u4e45\u5b58\u50a8NoSQL\u6570\u636e\u5e93\u4ea7\u54c1\u3002Redis\u91c7\u7528\u5185\u5b58(In-Memory)\u6570\u636e\u96c6(DataSet) \u3002\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u3002\u8fd0\u884c\u4e8e\u5927\u591a\u6570POSIX\u7cfb\u7edf\uff0c\u5982Linux\u3001*BSD\u3001OSX\u7b49\u3002\u4e0d\u652f\u6301windows\u3002<\/p>\n<\/blockquote>\n

\"\"<\/div><\/p>\n

\u4e00\u3001Redis\u7684\u7279\u6027<\/h2>\n
1\u3001\u57fa\u4e8e\u5185\u5b58\uff0c\u6027\u80fd\u9ad8\u6548\n2\u3001\u652f\u6301\u5206\u5e03\u5f0f\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u65e0\u9650\u6269\u5c55\n3\u3001key-value\u5b58\u50a8\u7cfb\u7edf\n4\u3001\u5f00\u6e90\u7684\u4f7f\u7528ANSI C\u8bed\u8a00\u7f16\u5199\u3001\u9075\u5b88BSD\u534f\u8bae\u3001\u652f\u6301\u7f51\u7edc\u3001\u53ef\u57fa\u4e8e\u5185\u5b58\u4ea6\u53ef\u6301\u4e45\u5316\u7684\u65e5\u5fd7<\/code><\/pre>\n
\u4e8c\u3001Redis\u7684\u7279\u70b9<\/h2>\n
1\u3001C\/S\u901a\u8baf\u6a21\u578b\n2\u3001\u5355\u8fdb\u7a0b\u5355\u7ebf\u7a0b\u6a21\u578b\n3\u3001\u6570\u636e\u7c7b\u578b\u4e30\u5bcc\uff1aRedis\u5177\u6709\u4e30\u5bcc\u7684\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u9002\u7528\u4e8e\u5404\u79cd\u573a\u666f\u3002\n4\u3001\u64cd\u4f5c\u5177\u6709\u539f\u5b50\u6027\n5\u3001\u6301\u4e45\u5316\uff1a\u652f\u6301\u843d\u76d8\u52a8\u4f5c\u3002\u9632\u6b62\u6570\u636e\u4e22\u5931\n6\u3001\u9ad8\u5e76\u53d1\u9ad8\u901f\u8bfb\u5199\n7\u3001\u652f\u6301\u9ad8\u53ef\u7528\uff1aRedis\u652f\u6301\u4e24\u79cd\u9ad8\u53ef\u7528\u96c6\u7fa4\u65b9\u5f0f\n8\u3001\u652f\u6301\u4e8b\u7269\uff1aRedis\u4e5f\u652f\u6301\u7c7b\u4f3c\u4e8eMySQL\u6570\u636e\u5e93\u90a3\u6837\u7684\u4e8b\u52a1\u3002\n9\u3001\u6d88\u606f\u961f\u5217\u3001\u6d88\u606f\u8ba2\u9605\uff1a\u3000Redis\u7684\u5217\u8868\u7c7b\u578b\u952e\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u961f\u5217\uff0c\u5e76\u4e14\u652f\u6301\u963b\u585e\u5f0f\u8bfb\u53d6\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u5b9e\u73b0\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u4f18\u5148\u961f\u5217\u3002\u540c\u65f6\u5728\u66f4\u9ad8\u5c42\u9762\u4e0a\uff0cRedis\u8fd8\u652f\u6301"\u53d1\u5e03\/\u8ba2\u9605"\u7684\u6d88\u606f\u6a21\u5f0f\uff0c\u53ef\u4ee5\u57fa\u4e8e\u6b64\u6784\u5efa\u4e00\u4e2a\u804a\u5929\u7cfb\u7edf\u3002\n10\u30014\u591a\u79cd\u5185\u5b58\u5206\u914d\u53ca\u56de\u6536\u7b56\u7565\uff1aRedis\u53ef\u4ee5\u901a\u8fc7 maxmemory \u53c2\u6570\u6765\u9650\u5236\u6700\u5927\u53ef\u7528\u5185\u5b58\uff0c\u4e3b\u8981\u4e3a\u4e86\u907f\u514dRedis\u5185\u5b58\u8d85\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\uff0c\u4ece\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u54cd\u5e94\u53d8\u6162\u751a\u81f3\u6b7b\u673a\u7684\u60c5\u51b5\u3002\u800c\u56de\u6536\u7b56\u7565\u4e3b\u8981\u662f\u5220\u9664\u8fc7\u671f\u7684key\u4ee5\u53ca\u5185\u5b58\u8fbe\u5230 maxmemory \u540e\u7684\u6dd8\u6c70\u673a\u5236\u3002<\/code><\/pre>\n
\u4e09\u3001Redis\u7684\u5e94\u7528\u573a\u666f<\/h2>\n
Redis \u7684\u5e94\u7528\u573a\u666f\u5305\u62ec\uff1a\u7f13\u5b58\u7cfb\u7edf\uff08\u201c\u70ed\u70b9\u201d\u6570\u636e\uff1a\u9ad8\u9891\u8bfb\u3001\u4f4e\u9891\u5199\uff09\u3001\u8ba1\u6570\u5668\u3001\u6d88\u606f\u961f\u5217\u7cfb\u7edf\u3001\u6392\u884c\u699c\u3001\u793e\u4ea4\u7f51\u7edc\u548c\u5b9e\u65f6\u7cfb\u7edf\u3002<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u56db\u3001Redis\u7684\u6570\u636e\u7c7b\u578b\u53ca\u4e3b\u8981\u7279\u6027<\/h2>\n
\n
Redis\u63d0\u4f9b\u7684\u6570\u636e\u7c7b\u578b\u4e3b\u8981\u5206\u4e3a5\u79cd\u81ea\u6709\u7c7b\u578b\u548c\u4e00\u79cd\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u8fd95\u79cd\u81ea\u6709\u7c7b\u578b\u5305\u62ec\uff1aString\u7c7b\u578b\u3001\u54c8\u5e0c\u7c7b\u578b\u3001\u5217\u8868\u7c7b\u578b\u3001\u96c6\u5408\u7c7b\u578b\u548c\u987a\u5e8f\u96c6\u5408\u7c7b\u578b\u3002<\/p>\n<\/blockquote>\n
\"\"<\/div><\/p>\n
1\u3001String\u7c7b\u578b\uff1a<\/h3>\n
\n
\u5b83\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u5b89\u5168\u7684\u5b57\u7b26\u4e32\uff0c\u610f\u5473\u7740\u5b83\u4e0d\u4ec5\u80fd\u591f\u5b58\u50a8\u5b57\u7b26\u4e32\u3001\u8fd8\u80fd\u5b58\u50a8\u56fe\u7247\u3001\u89c6\u9891\u7b49\u591a\u79cd\u7c7b\u578b, \u6700\u5927\u957f\u5ea6\u652f\u6301512M\u3002<\/p>\n<\/blockquote>\n
\u64cd\u4f5c\u547d\u4ee4<\/strong><\/p>\n
GET\/MGET\nSET\/SETEX\/MSET\/MSETNX\nINCR\/DECR\nGETSET\nDEL<\/code><\/pre>\n
2\u3001\u54c8\u5e0c\u7c7b\u578b<\/h3>\n
\n
\u8be5\u7c7b\u578b\u662f\u7531field\u548c\u5173\u8054\u7684value\u7ec4\u6210\u7684map\u3002\u5176\u4e2d\uff0cfield\u548cvalue\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u3002<\/p>\n<\/blockquote>\n
LPUSH\/LPUSHX\/LPOP\/RPUSH\/RPUSHX\/RPOP\/LINSERT\/LSET\nLINDEX\/LRANGE\nLLEN\/LTRIM<\/code><\/pre>\n
3\u3001\u5217\u8868\u7c7b\u578b<\/h3>\n
\n
\u8be5\u7c7b\u578b\u662f\u4e00\u4e2a\u63d2\u5165\u987a\u5e8f\u6392\u5e8f\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u96c6\u5408, \u57fa\u4e8e\u53cc\u94fe\u8868\u5b9e\u73b0\u3002<\/p>\n<\/blockquote>\n
List\u7684\u64cd\u4f5c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
LPUSH\/LPUSHX\/LPOP\/RPUSH\/RPUSHX\/RPOP\/LINSERT\/LSET\nLINDEX\/LRANGE\nLLEN\/LTRIM<\/code><\/pre>\n
4\u3001\u96c6\u5408\u7c7b\u578b<\/h3>\n
\n
Set\u7c7b\u578b\u662f\u4e00\u79cd\u65e0\u987a\u5e8f\u96c6\u5408, \u5b83\u548cList\u7c7b\u578b\u6700\u5927\u7684\u533a\u522b\u662f\uff1a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u6ca1\u6709\u987a\u5e8f, \u4e14\u5143\u7d20\u662f\u552f\u4e00\u7684\u3002<\/p>\n
Set\u7c7b\u578b\u7684\u5e95\u5c42\u662f\u901a\u8fc7\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\uff0c\u5176\u64cd\u4f5c\u547d\u4ee4\u4e3a\uff1a<\/p>\n<\/blockquote>\n
SADD\/SPOP\/SMOVE\/SCARD\nSINTER\/SDIFF\/SDIFFSTORE\/SUNION<\/code><\/pre>\n
\n
Set\u7c7b\u578b\u4e3b\u8981\u5e94\u7528\u4e8e\uff1a\u5728\u67d0\u4e9b\u573a\u666f\uff0c\u5982\u793e\u4ea4\u573a\u666f\u4e2d\uff0c\u901a\u8fc7\u4ea4\u96c6\u3001\u5e76\u96c6\u548c\u5dee\u96c6\u8fd0\u7b97\uff0c\u901a\u8fc7Set\u7c7b\u578b\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u67e5\u627e\u5171\u540c\u597d\u53cb\u3001\u5171\u540c\u5173\u6ce8\u548c\u5171\u540c\u504f\u597d\u7b49\u793e\u4ea4\u5173\u7cfb\u3002<\/p>\n<\/blockquote>\n
5\u3001\u987a\u5e8f\u96c6\u5408\u7c7b\u578b<\/h3>\n
\n
ZSet\u662f\u4e00\u79cd\u6709\u5e8f\u96c6\u5408\u7c7b\u578b\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u5173\u8054\u4e00\u4e2adouble\u7c7b\u578b\u7684\u5206\u6570\u6743\u503c\uff0c\u901a\u8fc7\u8fd9\u4e2a\u6743\u503c\u6765\u4e3a\u96c6\u5408\u4e2d\u7684\u6210\u5458\u8fdb\u884c\u4ece\u5c0f\u5230\u5927\u7684\u6392\u5e8f\u3002\u4e0eSet\u7c7b\u578b\u4e00\u6837\uff0c\u5176\u5e95\u5c42\u4e5f\u662f\u901a\u8fc7\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\u3002<\/p>\n<\/blockquote>\n
ZSet\u547d\u4ee4\uff1a<\/p>\n
ZADD\/ZPOP\/ZMOVE\/ZCARD\/ZCOUNT\nZINTER\/ZDIFF\/ZDIFFSTORE\/ZUNION<\/code><\/pre>\n
\u4e94\u3001Redis\u5e38\u89c1\u95ee\u9898\u89e3\u6790<\/h2>\n
1\u3001\u7f13\u5b58\u7a7f\u900f<\/h3>\n
1\uff09\u6982\u5ff5<\/h4>\n
\n
\u5728Redis\u83b7\u53d6\u67d0\u4e00key\u65f6, \u7531\u4e8ekey\u4e0d\u5b58\u5728, \u7f13\u5b58\u4e0d\u8d77\u4f5c\u2f64\uff0c\u800c\u5fc5\u987b\u5411DB\u53d1\u8d77\u4e00\u6b21\u8bf7\u6c42\u7684\u884c\u4e3a, \u79f0\u4e3a\u201cRedis\u51fb\u7a7f\u201d\u3002\u6d41\u91cf\u2f24\u65f6db\u4f1a\u6302\u6389 \u3002<\/p>\n<\/blockquote>\n
\"\"<\/div><\/p>\n
2\uff09\u539f\u56e0<\/h4>\n
\u7b2c\u4e00\u6b21\u8bbf\u95ee\n\u6076\u610f\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684key\nKey\u8fc7\u671f<\/code><\/pre>\n
3\uff09\u89c4\u907f\u65b9\u6848<\/h4>\n
1.\u670d\u52a1\u5668\u542f\u52a8\u65f6, \u63d0\u524d\u5199\u5165\n2.\u89c4\u8303key\u7684\u547d\u540d, \u901a\u8fc7\u4e2d\u95f4\u4ef6\u62e6\u622a\uff08\u91c7\u2f64\u5e03\u9686\u8fc7\u6ee4\u5668, \u4f7f\u2f64\u2f00\u4e2a\u2f9c\u591f\u2f24\u7684bitmap, \u2f64\u4e8e\u5b58\u50a8\u53ef\u80fd\u8bbf\u95ee\u7684key, \u4e0d\u5b58\u5728\u7684key\u76f4\u63a5\u88ab\u8fc7\u6ee4;\uff09\n3.\u5bf9\u67d0\u4e9b\u9ad8\u9891\u8bbf\u95ee\u7684Key\uff0c\u8bbe\u7f6e\u5408\u7406\u7684TTL\u6216\u6c38\u4e0d\u8fc7\u671f<\/code><\/pre>\n
2\u3001\u7f13\u5b58\u96ea\u5d29<\/h3>\n
1\uff09\u6982\u5ff5<\/h4>\n
    1\u3001Redis\u7f13\u5b58\u5c42\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5b95\u673a\u540e\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u4f1a\u6d8c\u5411\u5b58\u50a8\u5c42\uff0c\u77ed\u65f6\u95f4\u5185\u7684\u9ad8\u5e76\u53d1\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5b58\u50a8\u5c42\u6302\u673a\uff0c\u79f0\u4e4b\u4e3a\u201cRedis\u96ea\u5d29\u201d\u3002\n    2\u3001\u2f24\u91cf\u7684key\u8bbe\u7f6e\u4e86\u76f8\u540c\u7684\u8fc7\u671f\u65f6\u95f4, \u5bfc\u81f4\u5728\u7f13\u5b58\u540c\u2f00\u65f6\u523b\u5168\u90e8\u5931\u8d25, \u9020\u6210\u77ac\u65f6db\u8bf7\u6c42\u91cf\u2f24, \u538b\u2f12\u9aa4\u589e, \u5f15\u8d77\u96ea\u5d29<\/code><\/pre>\n
2\uff09\u89c4\u907f\u65b9\u6848<\/h4>\n
1\u3001\u4f7f\u7528Redis\u96c6\u7fa4\n2\u3001\u9650\u6d41\n3\u3001\u53ef\u4ee5\u7ed9\u7f13\u5b58\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u52a0\u4e0a\u2f00\u4e2a\u968f\u673a\u503c\u65f6\u95f4, \u4f7f\u5f97\u6bcf\u4e2akey\u7684\u8fc7\u671f\u65f6\u95f4\u5206\u5e03\u5f00\u6765, \u4e0d\u4f1a\u96c6\u4e2d\u5728\u540c \u2f00\u65f6\u523b\u5931\u6548<\/code><\/pre>\n
3\u3001\u7f13\u5b58\u51fb\u7a7f<\/h3>\n
1\uff09\u6982\u5ff5<\/h4>\n
    \u2f00\u4e2a\u5b58\u5728\u7684key, \u5728\u7f13\u5b58\u8fc7\u671f\u7684\u2f00\u523b, \u540c\u65f6\u6709\u2f24\u91cf\u7684\u8bf7\u6c42, \u8fd9\u4e9b\u8bf7\u6c42\u90fd\u4f1a\u51fb\u7a7f\u5230DB, \u9020\u6210\u77ac\u65f6db\u8bf7\u6c42\u91cf\u2f24, \u538b \u2f12\u9aa4\u589e<\/code><\/pre>\n
2\uff09\u89c4\u907f\u65b9\u6848<\/h4>\n
    \u5728\u8bbf\u95eekey\u4e4b\u524d, \u91c7\u2f64SETNX(set if not exists) \u6765\u8bbe\u7f6e\u53e6\u2f00\u4e2a\u77ed\u671fkey\u6765\u9501\u4f4f\u5f53\u524dkey\u7684\u8bbf\u95ee, \u8bbf\u95ee\u7ed3\u675f\u518d\u5220\u9664\u8be5\u77ed\u671fkey<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Redis\u7b80\u4ecb Redis\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\uff0cANSI C\u8bed\u8a00\u7f16\u5199\u7684\uff0c\u9ad8\u7ea7\u952e\u503c(key-value)\u7f13\u5b58\u548c\u652f\u6301\u6c38\u4e45\u5b58 […]<\/p>\n","protected":false},"author":3,"featured_media":1252,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[21,19,159,22,160,20],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1248"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1248"}],"version-history":[{"count":1,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":9937,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1248\/revisions\/9937"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/1252"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}