{"id":185022,"date":"2024-11-10T18:05:18","date_gmt":"2024-11-10T10:05:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185022\/"},"modified":"2024-11-10T18:05:19","modified_gmt":"2024-11-10T10:05:19","slug":"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185022\/","title":{"rendered":"\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6280\u8853\u5be6\u73fe\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-NTmJlSQTYf\">\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6280\u8853\u5be6\u73fe<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-NTmJlSQTYf\">Redis\u7c21\u4ecb<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-NTmJlSQTYf\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6279\u91cf\u522a\u9664<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u522a\u9664\u5e33\u6236\u6642\uff0c\u53ef\u80fd\u9700\u8981\u522a\u9664\u8207\u8a72\u5e33\u6236\u76f8\u95dc\u7684\u6240\u6709\u6578\u64da\u3002\u50b3\u7d71\u7684\u9010\u500b\u522a\u9664\u65b9\u6cd5\u6548\u7387\u4f4e\u4e0b\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u5927\u7684\u60c5\u6cc1\u4e0b\u3002\u56e0\u6b64\uff0c\u6279\u91cf\u522a\u9664\u6210\u70ba\u4e86\u4e00\u7a2e\u66f4\u70ba\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-NTmJlSQTYf\">Redis\u4e2d\u7684\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u4e3b\u8981\u4f7f\u7528DEL\u547d\u4ee4\u3002\u8a72\u547d\u4ee4\u53ef\u4ee5\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002\u4ee5\u4e0b\u662fDEL\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DEL key1 key2 ... keyN<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375\u540d\u70ba&#8221;user:1001&#8243;\u548c&#8221;user:1002&#8243;\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL user:1001 user:1002<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e6%8a%80%e8%a1%93%e6%96%b9%e6%a1%88-NTmJlSQTYf\">\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6280\u8853\u65b9\u6848<\/h2>\n<p>\u8981\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e5%88%aa%e9%99%a4%e7%9a%84%e9%8d%b5-NTmJlSQTYf\">1. \u78ba\u5b9a\u522a\u9664\u7684\u9375<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u78ba\u5b9a\u8981\u522a\u9664\u7684\u9375\u3002\u9019\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u6216\u4f7f\u7528Redis\u7684SCAN\u547d\u4ee4\u4f86\u7372\u53d6\u7b26\u5408\u689d\u4ef6\u7684\u9375\u3002<\/p>\n<pre><code>SCAN cursor MATCH pattern COUNT count<\/code><\/pre>\n<p>\u9019\u88e1\uff0ccursor\u662f\u6e38\u6a19\uff0cpattern\u662f\u5339\u914d\u6a21\u5f0f\uff0ccount\u662f\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002<\/p>\n<h3 id=\"2-%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-NTmJlSQTYf\">2. \u6279\u91cf\u522a\u9664\u64cd\u4f5c<\/h3>\n<p>\u7372\u53d6\u5230\u8981\u522a\u9664\u7684\u9375\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528DEL\u547d\u4ee4\u9032\u884c\u6279\u91cf\u522a\u9664\u3002\u70ba\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u53ef\u4ee5\u5c07\u522a\u9664\u64cd\u4f5c\u5206\u6279\u9032\u884c\u3002\u4f8b\u5982\uff0c\u6bcf\u6b21\u522a\u9664100\u500b\u9375\uff1a<\/p>\n<pre><code>\ndef batch_delete(redis_client, keys):\n    for i in range(0, len(keys), 100):\n        batch = keys[i:i + 100]\n        redis_client.delete(*batch)\n<\/code><\/pre>\n<h3 id=\"3-%e9%81%a0%e7%a8%8b%e5%9f%b7%e8%a1%8c-NTmJlSQTYf\">3. \u9060\u7a0b\u57f7\u884c<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5728\u9060\u7a0b\u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u6279\u91cf\u522a\u9664\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5ba2\u6236\u7aef\u5eab\uff08\u5982redis-py\uff09\u4f86\u9023\u63a5\u9060\u7a0bRedis\u5be6\u4f8b\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u548c\u57f7\u884c\u522a\u9664\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230\u9060\u7a0bRedis\u4f3a\u670d\u5668\nredis_client = redis.StrictRedis(host='remote_host', port=6379, db=0)\n\n# \u7372\u53d6\u8981\u522a\u9664\u7684\u9375\nkeys_to_delete = redis_client.keys('user:*')\n\n# \u57f7\u884c\u6279\u91cf\u522a\u9664\nbatch_delete(redis_client, keys_to_delete)\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NTmJlSQTYf\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u522a\u9664\u64cd\u4f5c\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u6b63\u5728\u904b\u884c\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<li>\u5728\u522a\u9664\u5927\u91cf\u6578\u64da\u6642\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u671f\u9032\u884c\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u6216Lua\u8173\u672c\u4f86\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NTmJlSQTYf\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u6280\u8853\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u6578\u64da\u522a\u9664\u7684\u6548\u7387\uff0c\u6e1b\u5c11\u7cfb\u7d71\u8ca0\u64d4\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u7a2e\u6280\u8853\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\u5668\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\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-185022","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185022","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=185022"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185022\/revisions"}],"predecessor-version":[{"id":185023,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185022\/revisions\/185023"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}