{"id":201795,"date":"2025-05-10T11:36:06","date_gmt":"2025-05-10T03:36:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201795\/"},"modified":"2025-05-10T11:36:06","modified_gmt":"2025-05-10T03:36:06","slug":"%e5%85%b3%e4%ba%8eredis-bigkeys%e5%91%bd%e4%bb%a4%e4%bc%9a%e9%98%bb%e5%a1%9e%e9%97%ae%e9%a2%98%e7%9a%84%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201795\/","title":{"rendered":"\u5173\u4e8eRedis\u00a0bigkeys\u547d\u4ee4\u4f1a\u963b\u585e\u95ee\u9898\u7684\u89e3\u51b3"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5173\u4e8eRedis&nbsp;bigkeys\u547d\u4ee4\u4f1a\u963b\u585e\u95ee\u9898\u7684\u89e3\u51b3<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5173\u4e8eRedis&nbsp;bigkeys\u547d\u4ee4\u4f1a\u963b\u585e\u95ee\u9898\u7684\u89e3\u51b3\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Redisbigkeys\u3001\u547d\u4ee4\u963b\u585e<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728golang\u5b66\u4e60\u7f51\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<h2>\u4e00\u3001 \u987a\u4e30\u9ad8\u7ea7\u5f00\u53d1\u5de5\u7a0b\u5e08\u5728\u7ebf\u6267\u884c\u4e86 Redis \u5371\u9669\u547d\u4ee4\u5bfc\u81f4\u67d0\u516c\u53f8\u635f\u5931 400 \u4e07<\/h2>\n<p style=\"text-align:center\"><img decoding=\"async\" style=\"max-width:100%\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874274645de1e2dfc5c.jpg1683874274645de1e2dfc68.jpg\" class=\"aligncenter\"><\/p>\n<p>\u4e00\u4e2a\u547d\u4ee4\u635f\u5931\u6570\u767e\u4e07\uff0c\u8fd9\uff0c\u9700\u8981\u8d54\u507f\u5417\uff1f<\/p>\n<p>\u4ee3\u7801\u4e0d\u89c4\u8303\uff0c\u540c\u4e8b\u4e24\u884c\u6cea\uff0c\u64b8\u7801\u9700\u8c28\u614e\uff01<\/p>\n<p>\u5904\u4e8e\u597d\u5947\u8003\u8651\uff0c\u6211\u6765\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u8fd9\u5230\u5e95\u662f\u4ec0\u4e48\u95ee\u9898\uff1f<\/p>\n<h2>\u4e8c\u3001\u6d4b\u8bd5\u4e00\u4e0b1000\u4e07\u6570\u636e\u7684\u6027\u80fd<\/h2>\n<h3>1\u3001\u7f16\u5199\u811a\u672c\u6587\u4ef6<\/h3>\n<p>\u5199\u51651000\u4e07\u6570\u636e\u3002<\/p>\n<pre>for((i=1;i&gt; \/tmp\/test1.txt;done;\n<\/pre>\n<p>\u901a\u8fc7<code>\/tmp\/test1.txt<\/code>\u67e5\u770b\u4e00\u4e0b\u662f\u5426\u5199\u5165\u6210\u529f\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" style=\"max-width:100%\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e3113b3.jpg1683874275645de1e3113c1.jpg\" class=\"aligncenter\"><\/p>\n<h3>2\u3001\u5199\u5165Redis1000\u4e07\u6570\u636e<\/h3>\n<pre>cat \/tmp\/test1.txt | redis-cli -a 111111 --pipe\n<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e3472ca.jpg1683874275645de1e3472df.png\" class=\"aligncenter\"><\/p>\n<h3>3\u3001\u901a\u8fc7keys * \u67e5\u770b1000\u4e07\u6570\u636e<\/h3>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e36eceb.jpg1683874275645de1e36ed00.png\" class=\"aligncenter\"><\/p>\n<h3>4\u3001\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u7981\u6b62keys *\u7684\u4f7f\u7528<\/h3>\n<p>\u5728redis.conf\u6587\u4ef6\u4e2d\u914d\u7f6esecurity\uff1a<\/p>\n<pre>  rename- command keys \"\"\n  rename- command flushdb \"\"\n  rename- command flushall \"\"\n<\/pre>\n<h2>\u4e09\u3001\u4f7f\u7528scan\u66ff\u4ee3keys *<\/h2>\n<p>Redis Scan \u547d\u4ee4\u7528\u4e8e\u8fed\u4ee3\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5e93\u952e\u3002<\/p>\n<p>SCAN \u547d\u4ee4\u662f\u4e00\u4e2a\u57fa\u4e8e\u6e38\u6807\u7684\u8fed\u4ee3\u5668\uff0c\u6bcf\u6b21\u88ab\u8c03\u7528\u4e4b\u540e\uff0c \u90fd\u4f1a\u5411\u7528\u6237\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6e38\u6807\uff0c \u7528\u6237\u5728\u4e0b\u6b21\u8fed\u4ee3\u65f6\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u65b0\u6e38\u6807\u4f5c\u4e3a SCAN \u547d\u4ee4\u7684\u6e38\u6807\u53c2\u6570\uff0c \u4ee5\u6b64\u6765\u5ef6\u7eed\u4e4b\u524d\u7684\u8fed\u4ee3\u8fc7\u7a0b\u3002<\/p>\n<p>SCAN \u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u5143\u7d20\u7684\u6570\u7ec4\uff0c \u7b2c\u4e00\u4e2a\u5143\u7d20\u662f\u7528\u4e8e\u8fdb\u884c\u4e0b\u4e00\u6b21\u8fed\u4ee3\u7684\u65b0\u6e38\u6807\uff0c \u800c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u5219\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c \u8fd9\u4e2a\u6570\u7ec4\u4e2d\u5305\u542b\u4e86\u6240\u6709\u88ab\u8fed\u4ee3\u7684\u5143\u7d20\u3002\u5982\u679c\u65b0\u6e38\u6807\u8fd4\u56de 0 \u8868\u793a\u8fed\u4ee3\u5df2\u7ed3\u675f\u3002<\/p>\n<p>scan\u8bed\u6cd5\uff1a<\/p>\n<pre>SCAN cursor [MATCH pattern] [COUNT count]<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" style=\"max-width:100%\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e397d08.jpg1683874275645de1e397d1e.jpg\" class=\"aligncenter\"><\/p>\n<h2>\u56db\u3001\u62d2\u7eddbigkey<\/h2>\n<h3>1\u3001\u963f\u91cc\u4e91Redis\u5f00\u53d1\u89c4\u8303<\/h3>\n<p>\u963f\u91cc\u4e91Redis\u5f00\u53d1\u89c4\u8303\u4e2d\u660e\u786e\u89c4\u5b9a<code>\u201c\u62d2\u7eddbigkey\uff08\u9632\u6b62\u7f51\u5361\u6d41\u91cf\u3001\u6162\u67e5\u8be2\uff09\u201d<\/code>\u3002<\/p>\n<p>String\u7c7b\u578b\u63a7\u5236\u572810KB\u4ee5\u5185\uff0chash\u3001list\u3001set\u3001zset\u5143\u7d20\u4e2a\u6570\u4e0d\u8981\u8d85\u8fc75000\u3002<\/p>\n<h3>2\u3001\u51fa\u73b0bigkey\u65f6\u5982\u4f55\u5220\u9664\uff1f<\/h3>\n<ol>\n<li>String\u7c7b\u578b\u7684\u7528del\u5220\u9664\u3002<\/li>\n<li>\u5176\u5b83\u7c7b\u578b\u4f7f\u7528hscan\u3001sscan\u3001zscan\u65b9\u5f0f\u6e10\u8fdb\u5f0f\u5220\u9664\uff0c\u540c\u65f6\u8981\u907f\u514dbigkey\u8fc7\u671f\u65f6\u95f4\u81ea\u52a8\u5220\u9664\u95ee\u9898\uff0c\u56e0\u4e3a\u5b83\u4f1a\u9020\u6210\u4e3b\u7ebf\u7a0b\u963b\u585e\u3002<\/li>\n<\/ol>\n<p>Hash \u5220\u9664: hscan+hdel<\/p>\n<pre>public void delBigHash(String host, int port, String password, String bigHashKey) {\n    Jedis jedis = new Jedis(host, port);\n    if (password != null &amp;&amp; !\"\".equals(password)) {\n        jedis.auth(password);\n    }\n    ScanParams scanParams = new ScanParams().count(100);\n    String cursor = \"0\";\n    do {\n        ScanResult\n   \n    &gt; scanResult = jedis.hscan(bigHashKey, cursor, scanParams);\n        List\n    \n     &gt; entryList = scanResult.getResult(); if (entryList != null &amp;&amp; !entryList.isEmpty()) { for (Entry\n     \n       entry : entryList) { jedis.hdel(bigHashKey, entry.getKey()); } } cursor = scanResult.getStringCursor(); } while (!\"0\".equals(cursor)); \/\/\u5220\u9664 bigkey jedis.del(bigHashKey); } \n     \n    \n   <\/pre>\n<h3>3\u3001bigkey\u4f1a\u9020\u6210\u54ea\u4e9b\u95ee\u9898\uff1f<\/h3>\n<ol>\n<li>\u5185\u5b58\u4e0d\u5747\uff0c\u96c6\u7fa4\u8fc1\u79fb\u56f0\u96be\uff1b<\/li>\n<li>\u8d85\u65f6\u5220\u9664\uff0c\u963b\u585e\u7ebf\u7a0b\uff1b<\/li>\n<li>\u7f51\u7edc\u6d41\u91cf\u963b\u585e\uff1b<\/li>\n<\/ol>\n<h3>4\u3001\u5982\u4f55\u53d1\u73b0bigkey\uff1f<\/h3>\n<p>\uff081\uff09\u901a\u8fc7<code>redis-cli --bigkeys<\/code>\u67e5\u627e\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e3c2141.jpg1683874275645de1e3c2152.png\" class=\"aligncenter\"><\/p>\n<p>\uff082\uff09\u8ba1\u7b97\u6bcf\u4e2a\u952e\u503c\u7684\u5b57\u8282\u6570\uff0c\u901a\u8fc7memory usage key\u67e5\u627e<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874275645de1e3f37b8.jpg1683874275645de1e3f37cb.png\" class=\"aligncenter\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8eRedis&nbsp;big&#46;&#46;&#46;<\/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-201795","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201795","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=201795"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201795\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}