{"id":201826,"date":"2025-05-10T12:34:17","date_gmt":"2025-05-10T04:34:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201826\/"},"modified":"2025-05-10T12:34:17","modified_gmt":"2025-05-10T04:34:17","slug":"redis%e8%8e%b7%e5%8f%96%e6%89%80%e6%9c%89key%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201826\/","title":{"rendered":"redis\u83b7\u53d6\u6240\u6709key\u7684\u65b9\u6cd5"},"content":{"rendered":"

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

redis\u83b7\u53d6\u6240\u6709key\u7684\u65b9\u6cd5<\/h1>\n

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

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6570\u636e\u5e93\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300aredis\u83b7\u53d6\u6240\u6709key\u7684\u65b9\u6cd5\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0bRediskey\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

keys\uff1a\u5168\u91cf\u904d\u5386\u952e\uff0c\u7528\u6765\u5217\u51fa\u6240\u6709\u6ee1\u8db3\u7279\u5b9a\u6b63\u5219\u5b57\u7b26\u4e32\u89c4\u5219\u7684key\uff0c\u5047\u8bberedis\u6b64\u65f6\u6b63\u5728\u751f\u4ea7\u73af\u5883\u4e0b\uff0c\u4f7f\u7528\u8be5\u547d\u4ee4\u5c31\u4f1a\u9020\u6210\u9690\u60a3\uff0c\u5f53redis\u6570\u636e\u91cf\u6bd4\u8f83\u5927\u65f6\uff1a<\/p>\n

keys\u4f1a\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u7b26\u5408\u6761\u4ef6\u7684key\uff0c\u6240\u4ee5\u4f1a\u9020\u6210redis\u7684\u5361\u987f\u3002<\/p>\n

SCAN\u662f\u4e00\u4e2a\u57fa\u4e8e\u6e38\u6807\u7684\u8fed\u4ee3\u5668\uff0c\u9700\u8981\u57fa\u4e8e\u4e0a\u4e00\u6b21\u7684\u6e38\u6807\u5ef6\u7eed\u4e4b\u524d\u7684\u8fed\u4ee3\u8fc7\u7a0b\u3002SCAN\u4ee50\u4f5c\u4e3a\u6e38\u6807\uff0c\u5f00\u59cb\u4e00\u6b21\u65b0\u7684\u8fed\u4ee3\uff0c\u76f4\u5230\u547d\u4ee4\u8fd4\u56de\u6e38\u68070\u5b8c\u6210\u4e00\u6b21\u904d\u5386\u3002<\/p>\n

\u6b64\u547d\u4ee4\u5e76\u4e0d\u4fdd\u8bc1\u6bcf\u6b21\u6267\u884c\u90fd\u8fd4\u56de\u67d0\u4e2a\u7ed9\u5b9a\u6570\u91cf\u7684\u5143\u7d20\uff0c\u751a\u81f3\u4f1a\u8fd4\u56de0\u4e2a\u5143\u7d20\uff0c\u4f46\u53ea\u8981\u6e38\u6807\u4e0d\u662f0\uff0c\u7a0b\u5e8f\u90fd\u4e0d\u4f1a\u8ba4\u4e3aSCAN\u547d\u4ee4\u7ed3\u675f\uff0c\u4f46\u662f\u8fd4\u56de\u7684\u5143\u7d20\u6570\u91cf\u5927\u6982\u7387\u7b26\u5408count\u53c2\u6570\u3002\u53e6\u5916\uff0cSCAN\u652f\u6301\u6a21\u7cca\u67e5\u8be2\u3002<\/p>\n

1.keys cmos-cache\u5305<\/p>\n

redisCacheService.keys(String pattern);\n<\/pre>\n
2.scan\u65b9\u6cd5<\/p>\n
public static Set\n   \n     getAllKey(String match,int count){\n    \/\/\u8fd4\u56de\u96c6\n    Set\n    \n      binKeys = new HashSet(); \/\/\u5c01\u88c5scan\u67e5\u8be2\u53c2\u6570 ScanParams param = new ScanParams().match(match).count(count); \/\/\u83b7\u53d6\u67e5\u8be2\u5bf9\u8c61 RedisCacheServiceImpl redisCacheSer = (RedisCacheServiceImpl)RedisCacheService; JedisCluster jedisClu = redisCacheSer.getJedisCluster(); \/\/getClueterNodes\u83b7\u53d6\u96c6\u7fa4\u8282\u70b9\uff0c\u4ece\u5404\u4e2a\u96c6\u7fa4\u4e2d\u83b7\u53d6\u503c\u8fdb\u884c\u904d\u5386 jedisClu.getClusterNodes().values().stream().forEach(pool->{ boolean done = false;\/\/ String cur = \"0\";\/\/\u6e38\u6807\uff0c\u4ee50\u5f00\u59cb\uff0c\u8fd4\u56de0\u4ee3\u8868\u4e00\u6b21\u7ed3\u675f try(Jedis jedisNode = pool.getResource()){ while(!done){ ScanResult\n     \n       scanResult = jedisNode.scan(cur,param); cur = scanResult.getStringCursor(); if(\"0\".equals(cur){done=true}; List\n      \n        result = scanResult.getResult(); result.foreach(data->{binKeys.add(data)}); } } }); return binKeys; }\n      \n     \n    \n   <\/pre>\n","protected":false},"excerpt":{"rendered":"
redis\u83b7\u53d6\u6240\u6709key\u7684\u65b9\u6cd5 ...<\/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-201826","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201826","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=201826"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201826\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}