{"id":189062,"date":"2024-11-12T04:15:24","date_gmt":"2024-11-11T20:15:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189062\/"},"modified":"2024-11-12T04:15:25","modified_gmt":"2024-11-11T20:15:25","slug":"%e6%8f%90%e5%8d%87-redis-%e6%80%a7%e8%83%bd9%e6%a2%9d%e5%af%a6%e6%88%b0%e7%b6%93%e9%a9%97%ef%bc%88%e6%8f%90%e9%ab%98redis%e6%95%88%e7%8e%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189062\/","title":{"rendered":"\u63d0\u5347 Redis \u6027\u80fd9\u689d\u5be6\u6230\u7d93\u9a57\uff08\u63d0\u9ad8redis\u6548\u7387\uff09"},"content":{"rendered":"

\u63d0\u5347 Redis \u6027\u80fd9\u689d\u5be6\u6230\u7d93\u9a57\uff08\u63d0\u9ad8redis\u6548\u7387\uff09<\/h1>\n

Redis \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u63d0\u5347 Redis \u7684\u6027\u80fd\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u5206\u4eab\u4e5d\u689d\u5be6\u6230\u7d93\u9a57\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8 Redis \u7684\u6548\u7387\u3002<\/p>\n

1. \u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n

Redis \u63d0\u4f9b\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\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u591a\u500b\u5c6c\u6027\u7684\u5c0d\u8c61\uff0c\u4f7f\u7528\u54c8\u5e0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\u548c\u63d0\u9ad8\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n

2. \u512a\u5316\u5167\u5b58\u4f7f\u7528<\/h2>\n

Redis \u7684\u6027\u80fd\u8207\u5167\u5b58\u4f7f\u7528\u5bc6\u5207\u76f8\u95dc\u3002\u4f7f\u7528 MEMORY USAGE<\/code> \u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3\u9375\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e maxmemory<\/code> \u548c maxmemory-policy<\/code>\uff0c\u53ef\u4ee5\u6709\u6548\u63a7\u5236\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u907f\u514d\u56e0\u5167\u5b58\u4e0d\u8db3\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n

3. \u4f7f\u7528\u7ba1\u9053\u6280\u8853<\/h2>\n

\u5728\u9032\u884c\u591a\u500b\u547d\u4ee4\u7684\u57f7\u884c\u6642\uff0c\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u53ef\u4ee5\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\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u7ba1\u9053\u7684\u793a\u4f8b\uff1a<\/p>\n

import redis\n\nr = redis.Redis()\npipe = r.pipeline()\nfor i in range(1000):\n    pipe.set(f'key{i}', f'value{i}')\nresults = pipe.execute()\n<\/code><\/pre>\n
4. \u9069\u7576\u914d\u7f6e\u6301\u4e45\u5316<\/h2>\n
Redis \u63d0\u4f9b RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\u3002\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u4fdd\u8b49\u6578\u64da\u5b89\u5168\u7684\u540c\u6642\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5c0d\u6027\u80fd\u8981\u6c42\u8f03\u9ad8\u7684\u61c9\u7528\uff0c\u53ef\u4ee5\u9078\u64c7\u7981\u7528 AOF\uff0c\u50c5\u4f7f\u7528 RDB\u3002<\/p>\n
5. \u4f7f\u7528\u96c6\u7fa4\u6a21\u5f0f<\/h2>\n
\u7576\u55ae\u500b Redis \u5be6\u4f8b\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u9700\u6c42\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis \u96c6\u7fa4\u3002\u96c6\u7fa4\u6a21\u5f0f\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u7247\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u8b80\u5beb\u6027\u80fd\u3002\u4f7f\u7528 CLUSTER ADDSLOTS<\/code> \u547d\u4ee4\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u69fd\u5206\u914d\u7d66\u4e0d\u540c\u7684\u7bc0\u9ede\u3002<\/p>\n
6. \u8abf\u6574\u5ba2\u6236\u7aef\u9023\u63a5\u6578\u91cf<\/h2>\n
Redis \u7684\u6027\u80fd\u4e5f\u53d7\u5230\u5ba2\u6236\u7aef\u9023\u63a5\u6578\u91cf\u7684\u5f71\u97ff\u3002\u904e\u591a\u7684\u9023\u63a5\u6703\u5c0e\u81f4\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\u589e\u52a0\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e maxclients<\/code> \u53c3\u6578\u4f86\u9650\u5236\u540c\u6642\u9023\u63a5\u7684\u5ba2\u6236\u7aef\u6578\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
7. \u4f7f\u7528 Lua \u8173\u672c<\/h2>\n
\u4f7f\u7528 Lua \u8173\u672c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5408\u4f75\u70ba\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u9019\u5c0d\u65bc\u9700\u8981\u591a\u6b21\u8b80\u5beb\u7684\u64cd\u4f5c\u7279\u5225\u6709\u6548\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Lua \u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n
local value = redis.call('get', KEYS[1])\nif value then\n    return value\nelse\n    redis.call('set', KEYS[1], ARGV[1])\n    return ARGV[1]\nend\n<\/code><\/pre>\n
8. \u5b9a\u671f\u6e05\u7406\u904e\u671f\u9375<\/h2>\n
Redis \u652f\u6301\u9375\u7684\u904e\u671f\u6a5f\u5236\uff0c\u4f46\u5982\u679c\u904e\u671f\u9375\u672a\u88ab\u53ca\u6642\u6e05\u7406\uff0c\u6703\u5f71\u97ff\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e active-expire-effort<\/code> \u53c3\u6578\u4f86\u8abf\u6574\u904e\u671f\u9375\u7684\u6e05\u7406\u983b\u7387\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
9. \u76e3\u63a7\u548c\u8abf\u8a66<\/h2>\n
\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u5982\u547d\u4ee4\u57f7\u884c\u6642\u9593\u3001\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u7b49\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u6027\u80fd\u74f6\u9838\u3002\u4f7f\u7528 MONITOR<\/code> \u547d\u4ee4\u53ef\u4ee5\u5be6\u6642\u67e5\u770b\u57f7\u884c\u7684\u547d\u4ee4\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u8abf\u8a66\u548c\u512a\u5316\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u63d0\u5347 Redis \u6027\u80fd\u9700\u8981\u5f9e\u591a\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3001\u512a\u5316\u5167\u5b58\u4f7f\u7528\u3001\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u7b49\u3002\u901a\u904e\u9019\u4e9b\u5be6\u6230\u7d93\u9a57\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8 Redis \u7684\u6548\u7387\uff0c\u6eff\u8db3\u65e5\u76ca\u589e\u9577\u7684\u61c9\u7528\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63d0\u5347 Redis \u6027\u80fd\u76849\u689d\u5be6\u6230\u7d93\u9a57\uff0c\u5e6b\u52a9\u60a8\u63d0\u9ad8\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u61c9\u7528\u97ff\u61c9\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-189062","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189062","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=189062"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189062\/revisions"}],"predecessor-version":[{"id":189063,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189062\/revisions\/189063"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}