{"id":201675,"date":"2025-05-10T10:35:22","date_gmt":"2025-05-10T02:35:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201675\/"},"modified":"2025-05-10T10:35:22","modified_gmt":"2025-05-10T02:35:22","slug":"redisserver%e3%80%81redisdb%e4%b8%8e%e6%95%b0%e6%8d%ae%e5%ad%97%e5%85%b8dict","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201675\/","title":{"rendered":"RedisServer\u3001RedisDB\u4e0e\u6570\u636e\u5b57\u5178Dict"},"content":{"rendered":"

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

RedisServer\u3001RedisDB\u4e0e\u6570\u636e\u5b57\u5178Dict<\/h1>\n

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

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300aRedisServer\u3001RedisDB\u4e0e\u6570\u636e\u5b57\u5178Dict\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ecRedisDB\u3001\u6570\u636e\u5b57\u5178Dict\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7golang\u5b66\u4e60\u7f51\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<\/p>\n

<\/p>\n

1\u3001\u5173\u4e8eRedis<\/span><\/h3>\n

\u4f17\u6240\u5468\u77e5Redis\u662f\u6d41\u884c\u7684\u3001\u5f00\u6e90\u7684\uff0c\u4f7f\u7528C\u8bed\u8a00\u5f00\u53d1\u7684\u9ad8\u6027\u80fd\uff0c\u57fa\u4e8e\u5185\u5b58\u7684key\/value\u6570\u636e\u5e93\u3002\u5b83\u5177\u6709\u9ad8\u6548\u3001\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u5e95\u5c42\u6570\u636e\u7ed3\u6784\uff0c\u540c\u65f6\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b(string\u3001list\u3001set\u3001zset\u3001hash\u3001bitmap\u3001geo\u3001hyperloglog\u7b49)\uff0c\u8ba9\u5176\u80fd\u591f\u62e5\u6709100K+\/s\u7684\u8bfb\u5199\u6027\u80fd\u3002\u6b63\u662f\u7531\u4e8e\u8fd9\u4e9b\u4f18\u52bf\u8ba9\u5b83\u5728\u4f17\u591a\u6570\u636e\u5e93\u4e2d\u8131\u9896\u800c\u51fa\uff0c\u652f\u6491\u7740\u4f17\u591a\u4e92\u8054\u7f51\u516c\u53f8\u7684\u6d77\u91cf\u4e1a\u52a1\u3002<\/span><\/p>\n

\u90a3\u4e48\u4f60\u6709\u6ca1\u6709\u60f3\u8fc7\uff0c\u5b83\u7684\u5e95\u5c42\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\uff1f\u672c\u6587\u4eceRedisServer\u7684\u5e95\u5c42\u7ed3\u6784\u5165\u624b\uff0c\u5e76\u901a\u8fc7\u8ffd\u6eafSet\u6307\u4ee4\u64cd\u4f5c\u8fc7\u7a0b\u4e0ekey\u7684\u8fc7\u671f\u65f6\u95f4\u7aa5\u63a2\u4e00\u4e0b\u8fd0\u884c\u539f\u7406\u3002<\/span><\/p>\n

2\u3001redisServer\u3001redisDB\u4e0e\u6570\u636e\u5b57\u5178dict<\/span><\/h3>\n

Redis\u670d\u52a1\u662f\u5e38\u89c1\u7684c\/s\u67b6\u6784\u8bbe\u8ba1\uff0c\u5373\uff1aRedis client\u5ba2\u6237\u7aef\u901a\u8fc7\u4e0eRedis Server\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5\u540e\u5bf9\u5b58\u50a8\u5728Redis Server\u7aef\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002Redis Server\u4f5c\u4e3a\u4e00\u4e2a\u5355\u72ec\u7684\u8fdb\u7a0b\u8fd0\u884c\u5728\u8ba1\u7b97\u673a\u4e0a\uff0c\u5176\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u7684\u5de5\u4f5c\u7ebf\u7a0b\u4e3a\u5355\u7ebf\u7a0b\uff0c\u51cf\u5c11\u4e86\u9501\u5f00\u9500\u4ee5\u53ca\u4e0a\u4e0b\u6587\u7684\u5207\u6362\u3002<\/p>\n

\u5728Redis Server\u8fdb\u7a0b\u5185\u90e8\u6709\u4e00\u4e2a\u5168\u5c40\u53d8\u91cfredisServer\uff0c\u5b58\u50a8\u7740\u5f53\u524dRedis Server\u7684\u6240\u6709\u6570\u636e\u5e93\u3001key\/value\u6570\u636e\u4ee5\u53ca\u5176\u4ed6\u4f17\u591a\u4fe1\u606f\uff0c\u5728Redis Server\u5b8c\u5168\u542f\u52a8\u5e76\u5bf9\u5916\u670d\u52a1\u4e4b\u524d\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u3001\u8d4b\u4e88\u9ed8\u8ba4\u503c\u7b49\u64cd\u4f5c\uff0c\u5b83\u662f\u8fd0\u884c\u65f6\u7684\u4e00\u4e2a\u91cd\u8981\u6570\u636e\u5165\u53e3\u3002<\/p>\n<\/p>\n

<\/p>\n

\u4ece\u4e0a\u56fe\u53ef\u77e5\uff0cRedis Server\u9ed8\u8ba4\u5171\u62e5\u6709(0-15,\u81ea\u5b9a\u4e49\u6700\u5927\u4e3a0-255)16\u4e2a\u6570\u636e\u5e93(<\/span>redisDB<\/span>)\uff0c\u6bcf\u4e2a\u6570\u636e\u5e93\u5305\u542b\u6709\u82e5\u5e72\u6570\u636e\u5b57\u5178(dict<\/span>)\uff0c\u6bcf\u4e2a\u6570\u636e\u5b57\u5178\u5b58\u50a8\u4e0d\u540c\u610f\u4e49\u7684\u6570\u636e\u3002\u4f8b\u5982\uff1aredisDb.dict<\/span> \u662f\u5b58\u50a8\u5f53\u524d\u6570\u636e\u5e93\u6240\u6709key\/value\u7684keyspace\uff0credisDb.expires<\/span> \u662f\u5b58\u50a8\u5f53\u524d\u6570\u636e\u5e93\u6240\u6709\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684keyspace\u3002<\/p>\n

\u67e5\u8be2\u6570\u636e\u65f6\u4ece\u6570\u636e\u5b57\u5178 <\/span>redisDb.dict<\/span> \u4e2d\u83b7\u53d6\uff0c\u5224\u65ad\/\u83b7\u53d6key\u7684\u8fc7\u671f\u65f6\u95f4\u7b49\u64cd\u4f5c\u65f6\u4ece\u6570\u636e\u5b57\u5178 redisDb.expires<\/span> \u4e2d\u83b7\u53d6\u3002\u6bcf\u4e2a\u6570\u636e\u5b57\u5178\u5b58\u50a8\u6570\u636e\u65f6\uff0c\u8003\u8651\u6269\u5bb9\u7b49\u56e0\u7d20\u4f1a\u6709\u75282\u4e2a ht_table<\/span>\uff0c\u5728\u672a\u6269\u5bb9\u65f6\u6570\u636e\u5168\u90e8\u5b58\u50a8\u5728 ht_table[0]<\/span>\uff0c\u5426\u5219\u53ef\u80fd\u5728 ht_table[0]<\/span>\u4e0eht_table[1]<\/span> \u90fd\u5b58\u6709\u6570\u636e\uff0cht_table<\/span> \u4f7f\u7528 bucket+\u94fe\u8868<\/span>(\u4e0d\u540ckey\u5728\u7ecf\u8fc7hash\u8ba1\u7b97\u4e4b\u540e\u53d1\u751f\u78b0\u649e\uff0c\u4f1a\u5b58\u50a8\u5728\u540c\u4e00\u4e2abucket\u7684\u94fe\u8868\u4e2d)\u7684\u5f62\u5f0f\u5b58\u50a8\u5177\u4f53\u7684key\/value\u3002<\/p>\n

3\u3001redis client\u5982\u4f55\u4e0e\u6570\u636e\u5e93\u5efa\u7acb\u8054\u7cfb<\/span><\/h3>\n

\u6bcf\u5f53redis client\u5ba2\u6237\u7aef\u4e0eRedis Server\u670d\u52a1\u7aef\u5efa\u7acb\u8fde\u63a5\u4e4b\u540e\uff0cRedis Server\u4e3a\u8be5\u5ba2\u6237\u7aef\u521b\u5efa\u7ed3\u6784\u4f53 client \u7528\u4e8e\u5b58\u50a8\u5ba2\u6237\u7aef\u76f8\u5173\u4fe1\u606f\uff0c\u5176\u4e2d\u5c31\u5305\u542b\u5ba2\u6237\u7aef\u6240\u4f7f\u7528\u7684\u6570\u636e\u5e93(\u9ed8\u8ba4\u4e3a0\uff0c\u53ef\u4ee5\u901a\u8fc7select\u6307\u4ee4\u9009\u62e9\u5176\u4ed6\u6570\u636e\u5e93)\u3002\u7136\u540eRedis Server\u670d\u52a1\u7aef\u901a\u8fc7\u53cc\u5411\u94fe\u8868\u628a\u8fd9\u4e9bclient\u8fde\u63a5\u8d77\u6765\uff0c\u5b58\u50a8\u5230\u5168\u5c40\u53d8\u91cfredisServer\u7684clients\u5b57\u6bb5\u4e2d\u3002\u5c31\u8fd9\u6837redis client\u5ba2\u6237\u7aef\u4e0eRedis\u6570\u636e\u5e93\u5efa\u7acb\u4e86\u8054\u7cfb\uff0c\u540e\u7eed\u5c31\u80fd\u76f4\u63a5\u627e\u5230\u5bf9\u5e94\u6570\u636e\u5e93\u8fdb\u884c\u8bfb\u3001\u5199\u7b49\u64cd\u4f5c\u3002<\/span><\/p>\n<\/p>\n

<\/p>\n

\u6bcf\u5f53redis client\u5ba2\u6237\u7aef\u53d1\u9001\u547d\u4ee4\u5230\u670d\u52a1\u7aef\u4e4b\u540e\uff0cRedis Server\u901a\u8fc7 client.db \u627e\u5230\u5bf9\u5e94\u7684\u6570\u636e\u5e93\uff0c\u7136\u540e\u8fdb\u884c\u76f8\u5173\u64cd\u4f5c\u3002<\/p>\n

4\u3001Set\u6307\u4ee4\u6267\u884c\u8fc7\u7a0b<\/span><\/h3>\n<\/p>\n

<\/p>\n

5\u3001\u5c0f\u7ed3<\/span><\/h3>\n

\u672c\u6587\u901a\u8fc7\u8bb2\u89e3 redisServer\u3001redisDB\u4e0e\u6570\u636e\u5b57\u5178dict\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u540c\u65f6\u901a\u8fc7\u5206\u6790Set\u6307\u4ee4(v7.0 \u7248\u672c\u76ee\u524d\u6709240\u4e2a\u547d\u4ee4)\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u5bf9\u5176\u5e95\u5c42\u539f\u7406\u6709\u66f4\u6df1\u7684\u8ba4\u77e5\u3002<\/p>\n

\u66fe\u7ecf\u6709\u4e00\u4f4d\u6280\u672f\u5927\u5496\u8bf4\u8fc7\uff1a\u82e5\u60f3\u5b66\u4e60\u4e00\u4e2a\u597d\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u90a3\u4e48\u9996\u63a8Redis\uff0c\u65e0\u8bba\u4ece\u4ee3\u7801\u529f\u80fd\u3001\u53d8\u91cf\u58f0\u660e\uff0c\u751a\u81f3\u4ece\u6ce8\u91ca\u6765\u770b\u90fd\u65e0\u53ef\u6311\u5254\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RedisServer\u3001Redi...<\/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-201675","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201675","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=201675"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201675\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}