{"id":98142,"date":"2024-10-21T00:08:17","date_gmt":"2024-10-20T16:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98142\/"},"modified":"2024-10-21T00:08:18","modified_gmt":"2024-10-20T16:08:18","slug":"redis-%e6%9f%a5%e8%a9%a2%e6%8a%80%e5%b7%a7%ef%bc%8c%e8%ae%93%e4%bd%a0%e7%9a%84%e6%93%8d%e4%bd%9c%e6%95%88%e7%8e%87%e6%8f%90%e9%ab%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98142\/","title":{"rendered":"Redis \u67e5\u8a62\u6280\u5de7\uff0c\u8b93\u4f60\u7684\u64cd\u4f5c\u6548\u7387\u63d0\u9ad8"},"content":{"rendered":"<h1 id=\"redis-%e6%9f%a5%e8%a9%a2%e6%8a%80%e5%b7%a7%ef%bc%8c%e8%ae%93%e4%bd%a0%e7%9a%84%e6%93%8d%e4%bd%9c%e6%95%88%e7%8e%87%e6%8f%90%e9%ab%98-IClsqxOItL\">Redis \u67e5\u8a62\u6280\u5de7\uff0c\u8b93\u4f60\u7684\u64cd\u4f5c\u6548\u7387\u63d0\u9ad8<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u5176\u5feb\u901f\u7684\u67e5\u8a62\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5f97 Redis \u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002\u7136\u800c\uff0c\u70ba\u4e86\u5145\u5206\u767c\u63ee Redis \u7684\u6f5b\u529b\uff0c\u638c\u63e1\u4e00\u4e9b\u67e5\u8a62\u6280\u5de7\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u500b\u6709\u6548\u7684 Redis \u67e5\u8a62\u6280\u5de7\uff0c\u5e6b\u52a9\u4f60\u63d0\u9ad8\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-IClsqxOItL\">1. \u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff1a<\/strong>\u9069\u5408\u5b58\u5132\u7c21\u55ae\u7684\u9375\u503c\u5c0d\uff0c\u67e5\u8a62\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff1a<\/strong>\u9069\u5408\u5b58\u5132\u5c0d\u8c61\uff0c\u80fd\u5920\u5feb\u901f\u67e5\u8a62\u5c0d\u8c61\u7684\u5c6c\u6027\u3002<\/li>\n<li><strong>\u5217\u8868\uff1a<\/strong>\u9069\u5408\u5b58\u5132\u6709\u5e8f\u6578\u64da\uff0c\u652f\u6301\u9ad8\u6548\u7684\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u96c6\u5408\uff1a<\/strong>\u9069\u5408\u5b58\u5132\u552f\u4e00\u503c\uff0c\u652f\u6301\u96c6\u5408\u904b\u7b97\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff1a<\/strong>\u9069\u5408\u9700\u8981\u6392\u5e8f\u7684\u6578\u64da\uff0c\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%e6%8a%80%e8%a1%93-IClsqxOItL\">2. \u4f7f\u7528\u7ba1\u9053\u6280\u8853<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u7ba1\u9053\u6280\u8853\u5141\u8a31\u4f60\u4e00\u6b21\u6027\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u6bcf\u500b\u547d\u4ee4\u7684\u56de\u61c9\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u7ba1\u9053\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>redis-cli --pipe &lt; commands.txt<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6240\u6709\u7684\u547d\u4ee4\u90fd\u6703\u88ab\u5beb\u5165\u5230 commands.txt \u6587\u4ef6\u4e2d\uff0c\u7136\u5f8c\u901a\u904e\u7ba1\u9053\u4e00\u6b21\u6027\u767c\u9001\u5230 Redis \u4f3a\u670d\u5668\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-IClsqxOItL\">3. \u4f7f\u7528 Lua \u8173\u672c<\/h2>\n<p>Redis \u652f\u6301\u4f7f\u7528 Lua \u8173\u672c\u4f86\u57f7\u884c\u591a\u500b\u547d\u4ee4\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u548c\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u5f80\u8fd4\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Lua \u8173\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>local value1 = redis.call('GET', 'key1')\nlocal value2 = redis.call('GET', 'key2')\nreturn value1 .. value2<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u5c07\u540c\u6642\u7372\u53d6\u5169\u500b\u9375\u7684\u503c\u4e26\u8fd4\u56de\uff0c\u6e1b\u5c11\u4e86\u591a\u6b21\u67e5\u8a62\u7684\u958b\u92b7\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e5%92%8c%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-IClsqxOItL\">4. \u4f7f\u7528\u7d22\u5f15\u548c\u904e\u671f\u6642\u9593<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u70ba\u67d0\u4e9b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\u3002<\/p>\n<h2 id=\"5-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e5%91%bd%e4%bb%a4-IClsqxOItL\">5. \u512a\u5316\u67e5\u8a62\u547d\u4ee4<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u67e5\u8a62\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u547d\u4ee4\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u4ee3\u66ff <code>KEYS<\/code> \u547d\u4ee4\u4f86\u904d\u6b77\u9375\uff0c\u56e0\u70ba <code>KEYS<\/code> \u547d\u4ee4\u6703\u963b\u585e\u4f3a\u670d\u5668\uff0c\u5f71\u97ff\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>SCAN<\/code> \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>local cursor = '0'\nrepeat\n    local result = redis.call('SCAN', cursor)\n    cursor = result[1]\n    for i, key in ipairs(result[2]) do\n        -- \u8655\u7406\u6bcf\u500b\u9375\n    end\nuntil cursor == '0'<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IClsqxOItL\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1 Redis \u7684\u67e5\u8a62\u6280\u5de7\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u64cd\u4f5c\u6548\u7387\uff0c\u5f9e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u5230\u4f7f\u7528\u7ba1\u9053\u548c Lua \u8173\u672c\uff0c\u6bcf\u4e00\u500b\u7d30\u7bc0\u90fd\u80fd\u5f71\u97ff\u6027\u80fd\u3002\u900f\u904e\u9019\u4e9b\u6280\u5de7\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528 Redis \u4f86\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u7684\u6574\u9ad4\u6027\u80fd\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u904b\u884c Redis \u548c\u5176\u4ed6\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Redis\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u64cd\u4f5c\u6548\u7387\uff0c\u5feb\u901f\u7372\u53d6\u6578\u64da\uff0c\u512a\u5316\u6027\u80fd\uff0c\u52a9\u4f60\u8f15\u9b06\u61c9\u5c0d\u9ad8\u4e26\u767c\u5834\u666f\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-98142","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98142","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=98142"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98142\/revisions"}],"predecessor-version":[{"id":98143,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98142\/revisions\/98143"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}