{"id":98476,"date":"2024-10-21T02:55:19","date_gmt":"2024-10-20T18:55:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98476\/"},"modified":"2024-10-21T02:55:20","modified_gmt":"2024-10-20T18:55:20","slug":"redis-%e5%a4%a7%e9%8d%b5%e6%9f%a5%e8%a9%a2%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%89%80%e9%9c%80%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98476\/","title":{"rendered":"Redis \u5927\u9375\u67e5\u8a62\u8f15\u9b06\u7372\u53d6\u6240\u9700\u6578\u64da"},"content":{"rendered":"<h1 id=\"redis-%e5%a4%a7%e9%8d%b5%e6%9f%a5%e8%a9%a2%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%89%80%e9%9c%80%e6%95%b8%e6%93%9a-sVDfSUryHn\">Redis \u5927\u9375\u67e5\u8a62\u8f15\u9b06\u7372\u53d6\u6240\u9700\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u7576\u6578\u64da\u91cf\u9f90\u5927\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u67e5\u8a62\u5927\u9375\uff08large keys\uff09\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u8f15\u9b06\u7372\u53d6\u6240\u9700\u6578\u64da\uff0c\u7279\u5225\u662f\u91dd\u5c0d\u5927\u9375\u7684\u67e5\u8a62\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%a7%e9%8d%b5%ef%bc%9f-sVDfSUryHn\">\u4ec0\u9ebc\u662f\u5927\u9375\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u5927\u9375\u901a\u5e38\u6307\u7684\u662f\u90a3\u4e9b\u5305\u542b\u5927\u91cf\u6578\u64da\u7684\u9375\u3002\u9019\u4e9b\u9375\u53ef\u80fd\u662f\u5927\u578b\u7684\u54c8\u5e0c\u8868\u3001\u5217\u8868\u6216\u96c6\u5408\u3002\u7576\u9019\u4e9b\u9375\u7684\u6578\u64da\u91cf\u904e\u5927\u6642\uff0c\u67e5\u8a62\u548c\u64cd\u4f5c\u9019\u4e9b\u6578\u64da\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u5c0e\u81f4\u5ef6\u9072\u548c\u8cc7\u6e90\u6d88\u8017\u589e\u52a0\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e9%97%9c%e6%b3%a8%e5%a4%a7%e9%8d%b5%e6%9f%a5%e8%a9%a2%ef%bc%9f-sVDfSUryHn\">\u70ba\u4ec0\u9ebc\u8981\u95dc\u6ce8\u5927\u9375\u67e5\u8a62\uff1f<\/h2>\n<p>\u5927\u9375\u67e5\u8a62\u7684\u6027\u80fd\u554f\u984c\u53ef\u80fd\u6703\u5f71\u97ff\u6574\u500b\u61c9\u7528\u7684\u97ff\u61c9\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9700\u8981\u95dc\u6ce8\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u5927\u9375\u7684\u67e5\u8a62\u53ef\u80fd\u6703\u5c0e\u81f4 Redis \u7684\u6027\u80fd\u4e0b\u964d\uff0c\u5f71\u97ff\u5176\u4ed6\u64cd\u4f5c\u7684\u57f7\u884c\u3002<\/li>\n<li><strong>\u5167\u5b58\u4f7f\u7528\uff1a<\/strong>\u5927\u9375\u4f54\u7528\u7684\u5167\u5b58\u8f03\u591a\uff0c\u53ef\u80fd\u5c0e\u81f4 Redis \u7684\u5167\u5b58\u7ba1\u7406\u8b8a\u5f97\u8907\u96dc\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\uff0c\u5927\u9375\u7684\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e5%a4%a7%e9%8d%b5%e6%9f%a5%e8%a9%a2-sVDfSUryHn\">\u5982\u4f55\u512a\u5316\u5927\u9375\u67e5\u8a62<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u5927\u9375\u67e5\u8a62\u7684\u6280\u5de7\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%86%e7%89%87%ef%bc%88sharding%ef%bc%89-sVDfSUryHn\">1. \u4f7f\u7528\u5206\u7247\uff08Sharding\uff09<\/h3>\n<p>\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u9375\u4e2d\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u55ae\u500b\u9375\u7684\u5927\u5c0f\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u964d\u4f4e\u5167\u5b58\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5305\u542b\u5927\u91cf\u7528\u6236\u4fe1\u606f\u7684\u54c8\u5e0c\u8868\u62c6\u5206\u70ba\u591a\u500b\u5c0f\u54c8\u5e0c\u8868\uff0c\u6bcf\u500b\u54c8\u5e0c\u8868\u53ea\u5305\u542b\u90e8\u5206\u7528\u6236\u4fe1\u606f\u3002<\/p>\n<pre><code>HSET user:1 name \"Alice\" age 30\nHSET user:2 name \"Bob\" age 25\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%ef%bc%88pipelining%ef%bc%89-sVDfSUryHn\">2. \u4f7f\u7528\u7ba1\u9053\uff08Pipelining\uff09<\/h3>\n<p>\u5728\u9700\u8981\u540c\u6642\u67e5\u8a62\u591a\u500b\u5927\u9375\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u4f86\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u901a\u904e\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u767c\u9001\u5230 Redis\uff0c\u7136\u5f8c\u4e00\u6b21\u6027\u63a5\u6536\u7d50\u679c\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<pre><code>redis-cli --pipe &lt; commands.txt\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-sVDfSUryHn\">3. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>Lua \u8173\u672c\u53ef\u4ee5\u5728 Redis \u670d\u52d9\u5668\u7aef\u57f7\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u6b21\u6578\u3002\u5c0d\u65bc\u9700\u8981\u591a\u6b21\u67e5\u8a62\u5927\u9375\u7684\u60c5\u6cc1\uff0c\u4f7f\u7528 Lua \u8173\u672c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>eval \"return redis.call('HGET', KEYS[1], ARGV[1])\" 1 user:1 name\n<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-sVDfSUryHn\">4. \u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u5927\u9375\u6578\u64da\uff0c\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\u4e26\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f7f\u7528 Redis \u7684\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002<\/p>\n<pre><code>EXPIRE user:1 3600\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-sVDfSUryHn\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u5c0d\u65bc\u5927\u9375\u7684\u67e5\u8a62\u512a\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u3001\u4f7f\u7528\u7ba1\u9053\u548c Lua \u8173\u672c\u7b49\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6301\u7e8c\u95dc\u6ce8\u548c\u512a\u5316\u5927\u9375\u67e5\u8a62\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u5927\u9375\u67e5\u8a62\u8f15\u9b06\u7372\u53d6\u6240\u9700\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u52a9\u60a8\u5feb\u901f\u627e\u5230\u6240\u9700\u4fe1\u606f\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-98476","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98476","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=98476"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98476\/revisions"}],"predecessor-version":[{"id":98477,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98476\/revisions\/98477"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}