{"id":97960,"date":"2024-10-20T22:36:21","date_gmt":"2024-10-20T14:36:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97960\/"},"modified":"2024-10-20T22:36:21","modified_gmt":"2024-10-20T14:36:21","slug":"redis%e6%a7%bd%e5%ad%98%e5%84%b2%e6%95%b8%e6%93%9a%e6%8a%80%e8%a1%93%e6%8c%87%e5%8d%97%ef%bc%88redis%e6%a7%bd%e6%80%8e%e9%ba%bc%e5%ad%98%e5%84%b2%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97960\/","title":{"rendered":"Redis\u69fd\u5b58\u5132\u6578\u64da\u6280\u8853\u6307\u5357\uff08redis\u69fd\u600e\u9ebc\u5b58\u5132\u6578\u64da\uff09"},"content":{"rendered":"

Redis\u69fd\u5b58\u5132\u6578\u64da\u6280\u8853\u6307\u5357\uff08redis\u69fd\u600e\u9ebc\u5b58\u5132\u6578\u64da\uff09<\/h1>\n

Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u500b\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u69fd\u5b58\u5132\u6280\u8853\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u53ca\u61c9\u7528\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\u69fd\uff08Hash Slot\uff09<\/h2>\n

\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u7684\u5206\u4f48\u662f\u901a\u904e\u69fd\uff08Hash Slot\uff09\u4f86\u5be6\u73fe\u7684\u3002Redis\u96c6\u7fa4\u5c07\u6240\u6709\u7684\u9375\u6620\u5c04\u52300\u523016383\u4e4b\u9593\u768416384\u500b\u69fd\u4e2d\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u53ef\u4ee5\u5747\u52fb\u5730\u5206\u4f48\u5728\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u6027\u80fd\u3002<\/p>\n

\u69fd\u7684\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

\u6bcf\u500b\u9375\u5728Redis\u4e2d\u90fd\u6703\u7d93\u904e\u4e00\u500b\u54c8\u5e0c\u51fd\u6578\u8a08\u7b97\u51fa\u5176\u5c0d\u61c9\u7684\u69fd\u865f\u3002\u5177\u9ad4\u7684\u8a08\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

slot = CRC16(key) mod 16384<\/code><\/pre>\n
\u9019\u88e1\uff0cCRC16\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c\u80fd\u5920\u5c07\u4efb\u610f\u9577\u5ea6\u7684\u9375\u8f49\u63db\u70ba\u4e00\u500b16\u4f4d\u7684\u6574\u6578\u3002\u7136\u5f8c\uff0c\u901a\u904e\u53d6\u6a21\u904b\u7b97\u5c07\u5176\u6620\u5c04\u52300\u523016383\u7684\u7bc4\u570d\u5167\u3002<\/p>\n
\u5982\u4f55\u5b58\u5132\u6578\u64da\u5230Redis\u69fd\u4e2d<\/h2>\n
\u5728Redis\u4e2d\uff0c\u5b58\u5132\u6578\u64da\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u7576\u4f60\u4f7f\u7528\u547d\u4ee4\u5982 SET<\/code> \u6216 HSET<\/code> \u6642\uff0cRedis\u6703\u81ea\u52d5\u8a08\u7b97\u51fa\u8a72\u9375\u6240\u5c0d\u61c9\u7684\u69fd\u865f\uff0c\u4e26\u5c07\u6578\u64da\u5b58\u5132\u5230\u76f8\u61c9\u7684\u7bc0\u9ede\u4e0a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n
\u793a\u4f8b1\uff1a\u4f7f\u7528SET\u547d\u4ee4<\/h3>\n
SET mykey \"Hello, Redis!\"<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u57f7\u884c SET<\/code> \u547d\u4ee4\u6642\uff0cRedis\u6703\u8a08\u7b97 mykey<\/code> \u7684\u69fd\u865f\uff0c\u7136\u5f8c\u5c07\u5176\u5b58\u5132\u5230\u5c0d\u61c9\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n
\u793a\u4f8b2\uff1a\u4f7f\u7528HSET\u547d\u4ee4<\/h3>\n
HSET myhash field1 \"value1\"<\/code><\/pre>\n
\u985e\u4f3c\u5730\uff0c\u7576\u4f7f\u7528 HSET<\/code> \u547d\u4ee4\u6642\uff0cRedis\u4e5f\u6703\u8a08\u7b97 myhash<\/code> \u7684\u69fd\u865f\uff0c\u4e26\u5c07\u5176\u5b58\u5132\u5230\u76f8\u61c9\u7684\u7bc0\u9ede\u3002<\/p>\n
\u69fd\u7684\u7ba1\u7406<\/h2>\n
\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u69fd\u7684\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7576\u4f60\u6dfb\u52a0\u6216\u522a\u9664\u7bc0\u9ede\u6642\uff0cRedis\u6703\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u69fd\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u69fd\u7684\u9077\u79fb\u3002\u4f7f\u7528 CLUSTER ADDSLOTS<\/code> \u548c CLUSTER DELSLOTS<\/code> \u547d\u4ee4\u53ef\u4ee5\u624b\u52d5\u7ba1\u7406\u69fd\u3002<\/p>\n
\u793a\u4f8b\uff1a\u6dfb\u52a0\u69fd<\/h3>\n
CLUSTER ADDSLOTS 0 1 2 3 4<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u6703\u5c07\u69fd0\u52304\u6dfb\u52a0\u5230\u7576\u524d\u7bc0\u9ede\u4e2d\u3002<\/p>\n
\u793a\u4f8b\uff1a\u522a\u9664\u69fd<\/h3>\n
CLUSTER DELSLOTS 0 1 2 3 4<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u6703\u5c07\u69fd0\u52304\u5f9e\u7576\u524d\u7bc0\u9ede\u4e2d\u522a\u9664\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Redis\u7684\u69fd\u5b58\u5132\u6280\u8853\u70ba\u6578\u64da\u7684\u5206\u4f48\u548c\u7ba1\u7406\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u54c8\u5e0c\u51fd\u6578\u8a08\u7b97\u69fd\u865f\uff0cRedis\u80fd\u5920\u5be6\u73fe\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u4e86\u89e3\u9019\u4e00\u6280\u8853\u5c0d\u65bc\u958b\u767c\u8005\u5728\u4f7f\u7528Redis\u6642\u80fd\u5920\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u512a\u5316\u7cfb\u7d71\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001\u9999\u6e2fVPS<\/a>\u3001\u670d\u52a1\u5668<\/a>\u6216\u4e91\u670d\u52a1\u5668<\/a>\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u69fd\u5b58\u5132\u6578\u64da\u6280\u8853\uff0c\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u8207\u53ef\u64f4\u5c55\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-97960","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97960","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=97960"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97960\/revisions"}],"predecessor-version":[{"id":97961,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97960\/revisions\/97961"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}