{"id":152135,"date":"2024-11-01T20:24:21","date_gmt":"2024-11-01T12:24:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152135\/"},"modified":"2024-11-01T20:24:22","modified_gmt":"2024-11-01T12:24:22","slug":"%e9%81%8d%e6%ad%b7redis%e4%b8%ad%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e4%b8%80%e5%80%8b%e5%af%a6%e6%88%b0%e6%8e%a2%e7%b4%a2%ef%bc%88%e5%be%9eredis%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152135\/","title":{"rendered":"\u904d\u6b77Redis\u4e2d\u6240\u6709\u6578\u64da\u4e00\u500b\u5be6\u6230\u63a2\u7d22\uff08\u5f9eredis\u904d\u6b77\u6240\u6709\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e9%81%8d%e6%ad%b7redis%e4%b8%ad%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e4%b8%80%e5%80%8b%e5%af%a6%e6%88%b0%e6%8e%a2%e7%b4%a2%ef%bc%88%e5%be%9eredis%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-GZYYQQngHd\">\u904d\u6b77Redis\u4e2d\u6240\u6709\u6578\u64da\u4e00\u500b\u5be6\u6230\u63a2\u7d22\uff08\u5f9eredis\u904d\u6b77\u6240\u6709\u6578\u64da\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u904d\u6b77Redis\u4e2d\u7684\u6240\u6709\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u904d\u6b77\u6240\u6709\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e6%a6%82%e8%bf%b0-GZYYQQngHd\">Redis\u6578\u64da\u7d50\u69cb\u6982\u8ff0<\/h2>\n<p>\u5728\u6df1\u5165\u904d\u6b77Redis\u6578\u64da\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3Redis\u652f\u6301\u7684\u4e3b\u8981\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff08String\uff09<\/strong>: \u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff08Hash\uff09<\/strong>: \u7528\u65bc\u5b58\u5132\u5c0d\u8c61\u7684\u5b57\u6bb5\u548c\u5b57\u6bb5\u503c\u5c0d\u3002<\/li>\n<li><strong>\u5217\u8868\uff08List\uff09<\/strong>: \u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u5f9e\u5169\u7aef\u63d2\u5165\u548c\u522a\u9664\u3002<\/li>\n<li><strong>\u96c6\u5408\uff08Set\uff09<\/strong>: \u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u96c6\u5408\u904b\u7b97\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/strong>: \u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%8d%e6%ad%b7redis%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-GZYYQQngHd\">\u904d\u6b77Redis\u6578\u64da\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u904d\u6b77\u6578\u64da\uff0c\u6700\u5e38\u7528\u7684\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4-GZYYQQngHd\">1. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n<p>SCAN\u547d\u4ee4\u662f\u4e00\u7a2e\u975e\u963b\u585e\u7684\u904d\u6b77\u65b9\u6cd5\uff0c\u9069\u5408\u7528\u65bc\u5927\u6578\u64da\u96c6\u3002\u5b83\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>cursor<\/code>\u662f\u6e38\u6a19\uff0c<code>MATCH<\/code>\u7528\u65bc\u5339\u914d\u7279\u5b9a\u6a21\u5f0f\uff0c<code>COUNT<\/code>\u5247\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77\u6240\u6709\u9375\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\u548c\u4e00\u7d44\u9375\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u7e7c\u7e8c\u904d\u6b77\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8keys%e5%91%bd%e4%bb%a4-GZYYQQngHd\">2. \u4f7f\u7528KEYS\u547d\u4ee4<\/h3>\n<p>KEYS\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u67e5\u627e\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709\u9375\uff0c\u4f46\u5b83\u662f\u963b\u585e\u7684\uff0c\u5c0d\u65bc\u5927\u6578\u64da\u96c6\u4e0d\u5efa\u8b70\u4f7f\u7528\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u627e\u6240\u6709\u4ee5\u201cuser:\u201d\u958b\u982d\u7684\u9375\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; KEYS user:*<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e6%88%b0%e7%a4%ba%e4%be%8b%ef%bc%9a%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a-GZYYQQngHd\">\u5be6\u6230\u793a\u4f8b\uff1a\u904d\u6b77\u6240\u6709\u6578\u64da<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77Redis\u4e2d\u7684\u6240\u6709\u6578\u64da\uff1a<\/p>\n<pre><code>def scan_all_keys(redis_client):\n    cursor = 0\n    while True:\n        cursor, keys = redis_client.scan(cursor=cursor, match='*', count=100)\n        for key in keys:\n            print(key)\n        if cursor == 0:\n            break\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578<code>scan_all_keys<\/code>\uff0c\u5b83\u5c07\u4e0d\u65b7\u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77\u6240\u6709\u9375\uff0c\u76f4\u5230\u6e38\u6a19\u8fd4\u56de\u52300\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-GZYYQQngHd\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u904d\u6b77Redis\u6578\u64da\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528SCAN\u547d\u4ee4\u6642\uff0c\u8acb\u6ce8\u610f\u5b83\u4e0d\u4fdd\u8b49\u8fd4\u56de\u7684\u9806\u5e8f\u3002<\/li>\n<li>KEYS\u547d\u4ee4\u5728\u5927\u6578\u64da\u96c6\u4e0a\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528SCAN\u547d\u4ee4\u9032\u884c\u6578\u64da\u904d\u6b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GZYYQQngHd\">\u7e3d\u7d50<\/h2>\n<p>\u904d\u6b77Redis\u4e2d\u7684\u6240\u6709\u6578\u64da\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u6578\u64da\u96c6\u6642\u3002\u901a\u904e\u4f7f\u7528SCAN\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u7372\u53d6\u6578\u64da\u800c\u4e0d\u5f71\u97ff\u6027\u80fd\u3002\u7121\u8ad6\u662f\u958b\u767c\u9084\u662f\u904b\u7dad\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u6211\u5011\u66f4\u597d\u5730\u7ba1\u7406Redis\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u904d\u6b77Redis\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u638c\u63e1\u5be6\u7528\u6280\u5de7\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-152135","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152135","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=152135"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152135\/revisions"}],"predecessor-version":[{"id":152136,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152135\/revisions\/152136"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}