{"id":167105,"date":"2024-11-05T22:24:28","date_gmt":"2024-11-05T14:24:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167105\/"},"modified":"2024-11-05T22:24:29","modified_gmt":"2024-11-05T14:24:29","slug":"%e5%88%a9%e7%94%a8redis%e6%9f%a5%e7%9c%8b%e9%9a%8a%e5%88%97%e5%a4%a7%e5%b0%8f%ef%bc%88redis-%e6%9f%a5%e7%9c%8b%e9%9a%8a%e5%88%97%e5%a4%a7%e5%b0%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167105\/","title":{"rendered":"\u5229\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f\uff08redis \u67e5\u770b\u968a\u5217\u5927\u5c0f\uff09"},"content":{"rendered":"

\u5229\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f\uff08redis \u67e5\u770b\u968a\u5217\u5927\u5c0f\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u968a\u5217\u6642\uff0cRedis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u547d\u4ee4\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u76e3\u63a7\u968a\u5217\u7684\u72c0\u614b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n

Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u5728\u968a\u5217\u7684\u5be6\u73fe\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528\u5217\u8868\uff08List\uff09\u6578\u64da\u7d50\u69cb\u3002Redis\u7684\u5217\u8868\u662f\u4e00\u500b\u96d9\u5411\u93c8\u8868\uff0c\u652f\u6301\u5728\u5169\u7aef\u9032\u884c\u9ad8\u6548\u7684\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u975e\u5e38\u9069\u5408\u7528\u4f5c\u6d88\u606f\u968a\u5217\u3002<\/p>\n

\u67e5\u770b\u968a\u5217\u5927\u5c0f\u7684\u65b9\u6cd5<\/h2>\n

\u8981\u67e5\u770bRedis\u4e2d\u67d0\u500b\u968a\u5217\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

LLEN key<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u9375\uff08key\uff09\u6240\u5c0d\u61c9\u7684\u5217\u8868\u7684\u9577\u5ea6\uff0c\u5373\u968a\u5217\u7684\u5927\u5c0f\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002<\/p>\n
\u793a\u4f8b<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cmyQueue\u201d\u7684\u968a\u5217\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u5176\u5927\u5c0f\uff1a<\/p>\n
LLEN myQueue<\/code><\/pre>\n
\u5982\u679c\u201cmyQueue\u201d\u4e2d\u67095\u500b\u5143\u7d20\uff0c\u5247\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0cRedis\u5c07\u8fd4\u56de5\u3002<\/p>\n
\u4f7f\u7528Redis\u547d\u4ee4\u884c\u5de5\u5177<\/h2>\n
\u5728\u4f7f\u7528Redis\u547d\u4ee4\u884c\u5de5\u5177\uff08redis-cli\uff09\u6642\uff0c\u53ef\u4ee5\u76f4\u63a5\u8f38\u5165\u4e0a\u8ff0\u547d\u4ee4\u4f86\u67e5\u770b\u968a\u5217\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
    \n
  1. \u6253\u958b\u7d42\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26\u3002<\/li>\n
  2. \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\uff1a<\/li>\n
    redis-cli<\/code><\/pre>\n
  3. \u57f7\u884c\u67e5\u770b\u968a\u5217\u5927\u5c0f\u7684\u547d\u4ee4\uff1a<\/li>\n
    LLEN myQueue<\/code><\/pre>\n<\/ol>\n
    \u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u4f7f\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f<\/h2>\n
    \u9664\u4e86\u5728\u547d\u4ee4\u884c\u4e2d\u67e5\u770b\u968a\u5217\u5927\u5c0f\uff0c\u958b\u767c\u8005\u4e5f\u53ef\u4ee5\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u4f7f\u7528Redis\u7684\u5ba2\u6236\u7aef\u5eab\u4f86\u7372\u53d6\u968a\u5217\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u7684\u793a\u4f8b\uff1a<\/p>\n
    import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u67e5\u770b\u968a\u5217\u5927\u5c0f\nqueue_size = r.llen('myQueue')\nprint(f'\u968a\u5217\u5927\u5c0f: {queue_size}')\n<\/code><\/pre>\n
    \u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u672c\u5730\u7684Redis\u670d\u52d9\u5668\uff0c\u7136\u5f8c\u4f7f\u7528`llen`\u65b9\u6cd5\u4f86\u7372\u53d6\u201cmyQueue\u201d\u7684\u5927\u5c0f\uff0c\u6700\u5f8c\u5c07\u7d50\u679c\u6253\u5370\u51fa\u4f86\u3002<\/p>\n
    \u7d50\u8ad6<\/h2>\n
    \u5229\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u64cd\u4f5c\uff0c\u7121\u8ad6\u662f\u5728\u547d\u4ee4\u884c\u9084\u662f\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u90fd\u80fd\u8f15\u9b06\u5be6\u73fe\u3002\u901a\u904e\u4f7f\u7528`LLEN`\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u968a\u5217\u7684\u7576\u524d\u72c0\u614b\uff0c\u9019\u5c0d\u65bc\u76e3\u63a7\u548c\u7ba1\u7406\u6d88\u606f\u968a\u5217\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
    \u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4e86\u89e3\u5982\u4f55\u5229\u7528Redis\u67e5\u770b\u968a\u5217\u5927\u5c0f\uff0c\u8f15\u9b06\u7ba1\u7406\u548c\u76e3\u63a7\u60a8\u7684\u6578\u64da\u6d41\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u548c\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-167105","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167105","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=167105"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167105\/revisions"}],"predecessor-version":[{"id":167106,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167105\/revisions\/167106"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}