{"id":33978,"date":"2023-11-04T07:07:35","date_gmt":"2023-03-25T08:03:53","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e6%9d%a5%e9%9a%8f%e6%9c%ba%e8%8e%b7%e5%8f%96%e6%88%90%e5%91%98%e3%80%82\/"},"modified":"2024-05-04T07:26:53","modified_gmt":"2024-05-03T23:26:53","slug":"%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e6%9d%a5%e9%9a%8f%e6%9c%ba%e8%8e%b7%e5%8f%96%e6%88%90%e5%91%98%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-redis-%e7%9a%84%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e6%9d%a5%e9%9a%8f%e6%9c%ba%e8%8e%b7%e5%8f%96%e6%88%90%e5%91%98%e3%80%82\/","title":{"rendered":"\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\u6765\u968f\u673a\u83b7\u53d6\u6210\u5458"},"content":{"rendered":"

\u8fd9\u662fHappy Elements\u682a\u5f0f\u4f1a\u793e\u5361\u5361\u5229\u4e9a\u5de5\u4f5c\u5ba42016\u5e74\u5723\u8bde\u964d\u4e34\u65e5\u5386\u7684\u7b2c19\u7bc7\u6587\u7ae0\u3002<\/p>\n

\u603b\u89c8<\/h1>\n

\u5728\u6211\u6240\u5c5e\u7684\u56e2\u961f\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684Sorted Sets\u6765\u5b9e\u73b0\u7528\u6237\u6392\u540d\u3002\u5173\u4e8eRedis\u7684\u57fa\u672c\u89e3\u91ca\u8bf7\u53c2\u8003\u53e6\u4e00\u7bc7\u6587\u7ae0\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u4f7f\u7528\u811a\u672c\u529f\u80fd\uff08EVAL\u547d\u4ee4\uff09\u8fdb\u884c\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002<\/p>\n

\u4ece\u5df2\u6392\u5e8f\u96c6\u5408\u4e2d\u968f\u673a\u83b7\u53d6\u6210\u5458<\/h1>\n

\u8bf7\u8003\u8651\u4ee5\u4e0b\u60c5\u666f\uff08\u8bbe\u5b9a\u662f\u865a\u6784\u7684\uff09\u3002<\/p>\n

\u767e\u4e07\u540d\u7528\u6237\u5404\u81ea\u90fd\u6709\u81ea\u5df1\u7684\u5206\u6570\uff0c\u5e76\u4e14\u6839\u636e\u6b64\u5b9e\u65f6\u6392\u540d\u3002\u5206\u6570\u4f1a\u6839\u636e\u7528\u6237\u4e4b\u95f4\u7684\u5bf9\u6218\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6218\u80dc\u6bd4\u81ea\u5df1\u5206\u6570\u9ad8\u7684\u7528\u6237\uff0c\u5219\u81ea\u5df1\u7684\u5206\u6570\u4f1a\u5927\u5e45\u589e\u52a0\uff0c\u800c\u6218\u80dc\u6bd4\u81ea\u5df1\u5206\u6570\u4f4e\u7684\u7528\u6237\uff0c\u5219\u589e\u52a0\u8f83\u5c11\u3002\u9009\u62e9\u5bf9\u6218\u5bf9\u624b\u65f6\uff0c\u5e0c\u671b\u9009\u62e9\u4e0e\u81ea\u5df1\u5206\u6570\u76f8\u5f53\u7684\u7528\u6237\uff0c\u5e76\u4e14\u5e0c\u671b\u4ece\u4ee5\u81ea\u5df1\u4e3a\u4e2d\u5fc3\u7684\u4e00\u5b9a\u5206\u6570\u8303\u56f4\u5185\u968f\u673a\u9009\u62e9\u5019\u9009\u4eba\uff0c\u4ee5\u907f\u514d\u6bcf\u6b21\u90fd\u4e0e\u540c\u4e00\u5bf9\u624b\u5bf9\u6218\u30021<\/p>\n

\u7531\u4e8e\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u6765\u5b9e\u73b0\u6392\u884c\u699c\uff0c\u5e0c\u671b\u4e5f\u80fd\u7528\u5b83\u6765\u8fdb\u884c\u5bf9\u624b\u5339\u914d\u3002\u7136\u800c\uff0c\u6709\u5e8f\u96c6\u5408\u4e2d\u6ca1\u6709\u50cfSets\u4e2d\u7684SRANDMEMBER\u4e00\u6837\u7684\u547d\u4ee4\u6765\u968f\u673a\u83b7\u53d6\u5143\u7d20\uff0c\u6240\u4ee5\u9700\u8981\u81ea\u5df1\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n

\u5b9e\u9a8c\u7684\u8bbe\u7f6e<\/h1>\n

\u4f7f\u7528 redis-rb \u6765\u8fde\u63a5 Redis \u7684\u5ba2\u6237\u7aef\u3002\u5c06\u968f\u673a\u5f97\u5206\u5206\u914d\u7ed9\u4e00\u767e\u4e07\u4e2a\u7528\u6237\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230 Sorted Sets \u4e2d\u3002\u5206\u522b\u4f7f\u7528 Ruby \u5b9e\u73b0\u3001\u4f7f\u7528 EVAL \u547d\u4ee4\u548c Lua \u5b9e\u73b0\u6765\u6bd4\u8f83\u6027\u80fd\u3002\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u901a\u8fc7\u6307\u5b9a\u4e00\u4e2a\u5f97\u5206\u4ee5\u53ca\u5176\u5468\u56f4\u5f97\u5206\u7684\u8303\u56f4\uff0c\u968f\u673a\u9009\u62e9\u5019\u9009\u5bf9\u624b\u3002<\/p>\n

# redis: Redis\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/span>\r\n# target_score: \u5bfe\u6226\u76f8\u624b\u3092\u63a2\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u30b9\u30b3\u30a2<\/span>\r\n# score_range: target_score \u3092\u4e2d\u5fc3\u3068\u3059\u308b\u30b9\u30b3\u30a2\u306e\u7bc4\u56f2<\/span>\r\n# count: \u5bfe\u6226\u76f8\u624b\u306e\u5019\u88dc\u3068\u3057\u3066\u53d6\u308a\u51fa\u3059\u30e6\u30fc\u30b6\u30fc\u6570<\/span>\r\ndef<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> count<\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
\u6211\u5011\u5c07\u5c0d\u4ee5\u4e0b\u5169\u7a2e\u5be6\u9a57\u9032\u884c\u5404\u81ea10\u6b21\u6e2c\u91cf\uff0c\u7136\u5f8c\u6bd4\u8f03\u5b83\u5011\u7684\u5e73\u5747\u503c\u3002
\n– \u4e00\u6b21\u6027\u62bd\u53d6\u4e00\u842c\u4eba
\n– \u5206\u6279\u6b21\u62bd\u53d6\u4e94\u4eba\uff0c\u5171\u5206\u70ba\u5169\u5343\u6b21\u62bd\u53d6<\/p>\n
Redis \u670d\u52a1\u5668\u4f7f\u7528\u7684\u662f AWS \u7684 ElastiCache\uff0c\u800c\u4e0d\u662f\u672c\u5730\u7684\u670d\u52a1\u5668\u3002\uff08\u540e\u9762\u4f1a\u63d0\u5230\uff0c\u8fd9\u662f\u4e3a\u4e86\u786e\u8ba4\u901a\u8fc7 EVAL \u547d\u4ee4\u51cf\u5c11\u901a\u4fe1\u5f00\u9500\u3002\uff09\u5ba2\u6237\u7aef\u5728 EC2 \u5b9e\u4f8b\u4e0a\u6267\u884c\u4e86\u811a\u672c\u3002\u4ee5\u4e0b\u662f\u811a\u672c\u7684\u6574\u4f53\u63cf\u8ff0\u3002<\/p>\n
require<\/span> \"redis\"<\/span>\r\nrequire<\/span> 'benchmark'<\/span>\r\nrequire<\/span> 'uri'<\/span>\r\n\r\nKEY<\/span> =<\/span> \"myzset\"<\/span>\r\n\r\n# Sorted Sets \u306b100\u4e07\u4eba\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u8ffd\u52a0\u3059\u308b<\/span>\r\ndef<\/span> setup<\/span>(<\/span>redis<\/span>)<\/span>\r\n  unless<\/span> redis<\/span>.<\/span>exists<\/span>(<\/span>KEY<\/span>)<\/span>\r\n    lua_script<\/span> =<\/span> <<-<\/span>EOS<\/span>\r\n      for id = 0, 1000000 - 1, 1 do\r\n        local member = 'user_' .. id\r\n        local score = math.random(10000)\r\n        redis.call('zadd', KEYS[1], score, member)\r\n      end\r\n<\/span>    EOS<\/span>\r\n    redis<\/span>.<\/span>eval<\/span>(<\/span>lua_script<\/span>,<\/span> [<\/span>KEY<\/span>],<\/span> [])<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n# \u6307\u5b9a\u3057\u305f\u56de\u6570\u306e\u5e73\u5747\u3092\u8a08\u6e2c\u3059\u308b<\/span>\r\ndef<\/span> benchmark<\/span>(<\/span>measure_count<\/span>,<\/span> title<\/span>)<\/span>\r\n  Benchmark<\/span>.<\/span>benchmark<\/span>(<\/span>Benchmark<\/span>::<\/span>CAPTION<\/span>,<\/span> 5<\/span>,<\/span> Benchmark<\/span>::<\/span>FORMAT<\/span>,<\/span> title<\/span>)<\/span> do<\/span> |<\/span>x<\/span>|<\/span>\r\n    tms<\/span> =<\/span> []<\/span>\r\n    measure_count<\/span>.<\/span>times<\/span> do<\/span> |<\/span>i<\/span>|<\/span>\r\n      tms<\/span> <<<\/span> x<\/span>.<\/span>report<\/span>(<\/span>i<\/span>.<\/span>to_s<\/span>)<\/span> {<\/span> yield<\/span> }<\/span>\r\n    end<\/span>\r\n    [<\/span>tms<\/span>.<\/span>inject<\/span>(:<\/span>+<\/span>)<\/span> \/<\/span> measure_count<\/span>]<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\ndef<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> count<\/span>)<\/span>\r\n  # \u3053\u3053\u3092\u5b9f\u88c5\u3059\u308b<\/span>\r\nend<\/span>\r\n\r\nuri<\/span> =<\/span> URI<\/span>.<\/span>parse<\/span>(<\/span>\"redis:\/\/your-elasticache-endpoint.amazonaws.com:6379\"<\/span>)<\/span>\r\nredis<\/span> =<\/span> Redis<\/span>.<\/span>new<\/span>(<\/span>host: <\/span>uri<\/span>.<\/span>host<\/span>,<\/span> port: <\/span>uri<\/span>.<\/span>port<\/span>)<\/span>\r\n# redis = Redis.new(host: \"127.0.0.1\", port: 6379, :db => 0)<\/span>\r\n\r\nsetup<\/span>(<\/span>redis<\/span>)<\/span>\r\n\r\ntarget_score<\/span> =<\/span> 5000<\/span>\r\nscore_range<\/span> =<\/span> 100<\/span>\r\nmeasure_count<\/span> =<\/span> 10<\/span>\r\n\r\nbenchmark<\/span>(<\/span>measure_count<\/span>,<\/span> \"\u30b1\u30fc\u30b91\"<\/span>)<\/span> {<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> 10000<\/span>)<\/span> }<\/span>\r\nbenchmark<\/span>(<\/span>measure_count<\/span>,<\/span> \"\u30b1\u30fc\u30b92\"<\/span>)<\/span> {<\/span> 2000<\/span>.<\/span>times<\/span> {<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> 5<\/span>)<\/span> }}<\/span>\r\n<\/code><\/pre>\n
\u73af\u5883<\/h2>\n
    \n
  • \n
      ElastiCache Redis 3.2.4, cache.r3.large<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          EC2 t2.micro<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              Ruby 2.2.1<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                redis-rb 3.3.x<\/ul>\n
                \u7528Ruby\u8fdb\u884c\u5b9e\u73b0<\/h1>\n
                \u4f7f\u7528 ZRANGEBYSCORE \u548c ZREVRANGEBYSCORE \u63d0\u53d6\u6307\u5b9a\u8303\u56f4\u5185\u7684\u7528\u6237\u7684\u9996\u4f4d\u548c\u672b\u4f4d\u3002\u4f7f\u7528 ZRANK \u83b7\u53d6\u8fd9\u4e9b\u7528\u6237\u7684\u6392\u540d\uff0c\u6700\u540e\u4f7f\u7528\u968f\u673a\u65b9\u5f0f\u63d0\u53d6\u6307\u5b9a\u6570\u91cf\u7684\u7528\u6237\u30022<\/p>\n
                def<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> count<\/span>)<\/span>\r\n  members<\/span> =<\/span> []<\/span>\r\n  first_score<\/span> =<\/span> target_score<\/span> -<\/span> score_range<\/span> \/<\/span> 2<\/span>\r\n  first_member<\/span> =<\/span> redis<\/span>.<\/span>zrangebyscore<\/span>(<\/span>KEY<\/span>,<\/span> first_score<\/span>,<\/span> \"+inf\"<\/span>,<\/span> limit: <\/span>[<\/span>0<\/span>,<\/span> 1<\/span>])<\/span>\r\n  first_rank<\/span> =<\/span> redis<\/span>.<\/span>zrank<\/span>(<\/span>KEY<\/span>,<\/span> first_member<\/span>)<\/span>\r\n  last_score<\/span> =<\/span> target_score<\/span> +<\/span> score_range<\/span> \/<\/span> 2<\/span>\r\n  last_member<\/span> =<\/span> redis<\/span>.<\/span>zrevrangebyscore<\/span>(<\/span>KEY<\/span>,<\/span> last_score<\/span>,<\/span> \"-inf\"<\/span>,<\/span> limit: <\/span>[<\/span>0<\/span>,<\/span> 1<\/span>])<\/span>\r\n  last_rank<\/span> =<\/span> redis<\/span>.<\/span>zrank<\/span>(<\/span>KEY<\/span>,<\/span> last_member<\/span>)<\/span>\r\n  count<\/span>.<\/span>times<\/span> do<\/span>\r\n    rank<\/span> =<\/span> first_rank<\/span> +<\/span> rand<\/span>(<\/span>last_rank<\/span> -<\/span> first_rank<\/span> +<\/span> 1<\/span>)<\/span>\r\n    member<\/span> =<\/span> redis<\/span>.<\/span>zrange<\/span>(<\/span>KEY<\/span>,<\/span> rank<\/span>,<\/span> rank<\/span>)<\/span>\r\n    members<\/span> <<<\/span> member<\/span>\r\n  end<\/span>\r\n  return<\/span> members<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                \u5728\u4f7f\u7528Ruby\u8fdb\u884c\u5b9e\u65bd\u65f6\uff0c\u4ee5\u4e0b\u4e24\u4e2a\u7f3a\u70b9\u53ef\u4ee5\u88ab\u63d0\u51fa\u3002\u5f53\u7528\u6237\u6570\u91cf\u548c\u7f51\u7edc\u670d\u52a1\u5668\u6570\u91cf\u8f83\u591a\u65f6\uff0c\u8fd9\u4e24\u4e2a\u95ee\u9898\u90fd\u53d8\u5f97\u68d8\u624b\u3002<\/p>\n
                  \n
                • \n
                    \u5404 Redis \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3073\u306b\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u3084\u308a\u3068\u308a\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5927\u304d\u3044<\/ul>\n<\/li>\n<\/ul>\n
                     <\/p>\n
                      \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u9014\u4e2d\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u72b6\u6cc1\u304c\u5909\u5316\u3057\u5f97\u308b<\/ul>\n
                      \u4f7f\u7528EVAL\u548cLua\u8fdb\u884c\u5b9e\u73b0<\/h1>\n
                      \u53ef\u4ee5\u901a\u8fc7EVAL\u547d\u4ee4\u89e3\u51b3\u4e0a\u8ff0\u7f3a\u70b9\u3002\u672c\u6b21\u6211\u4eec\u5c1d\u8bd5\u5b9e\u73b0\u5982\u4e0b\u3002<\/p>\n
                      def<\/span> get_random_members<\/span>(<\/span>redis<\/span>,<\/span> target_score<\/span>,<\/span> score_range<\/span>,<\/span> count<\/span>)<\/span>\r\n  rseed<\/span> =<\/span> Time<\/span>.<\/span>new<\/span>.<\/span>to_f<\/span>\r\n  lua_script<\/span> =<\/span> <<-<\/span>EOS<\/span>\r\n    local key = KEYS[1]\r\n    local target_score = ARGV[1]\r\n    local score_range = ARGV[2]\r\n    local count = ARGV[3]\r\n    local members = {}\r\n    local first_score = target_score - math.floor(score_range \/ 2)\r\n    local first_member = redis.call('zrangebyscore', key, first_score, '+inf', 'limit', 0, 1)[1]\r\n    local first_rank = redis.call('zrank', key, first_member)\r\n    local last_score = target_score + math.floor(score_range \/ 2)\r\n    local last_member = redis.call('zrevrangebyscore', key, last_score, '-inf', 'limit', 0, 1)[1]\r\n    local last_rank = redis.call('zrank', key, last_member)\r\n    math.randomseed(ARGV[4])\r\n    for i = 0, count - 1, 1 do\r\n      local rank = first_rank + math.random(last_rank - first_rank + 1)\r\n      local member = redis.call('zrange', key, rank, rank)\r\n      table.insert(members, member)\r\n    end\r\n    return members\r\n<\/span>  EOS<\/span>\r\n  return<\/span> redis<\/span>.<\/span>eval<\/span>(<\/span>lua_script<\/span>,<\/span> [<\/span>KEY<\/span>],<\/span> [<\/span>target_score<\/span>,<\/span> score_range<\/span>,<\/span> count<\/span>,<\/span> rseed<\/span>])<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                      \u6211\u4eec\u4f7f\u7528Ruby\u6765\u5b9e\u73b0\u5927\u90e8\u5206\u529f\u80fd\uff0c\u4f46\u662f\u4f7f\u7528Lua\u6765\u7f16\u5199\u4e0eRedis\u7684\u4ea4\u4e92\u90e8\u5206\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9EVAL\u547d\u4ee4\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u4e00\u6b21\u5b8c\u6210\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\uff0c\u5e76\u51cf\u5c11\u901a\u4fe1\u7684\u5f00\u9500\u3002\u540c\u65f6\uff0c\u5728\u6267\u884cEVAL\u547d\u4ee4\u65f6\uff0c\u5176\u4ed6\u547d\u4ee4\u4e0d\u4f1a\u6253\u65ad\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u7684\u72b6\u6001\u4e0d\u4f1a\u5728\u811a\u672c\u6267\u884c\u671f\u95f4\u610f\u5916\u6539\u53d8\u3002<\/p>\n
                      \u5feb\u6162\u5bf9\u6bd4<\/h1>\n
                        Ruby \u306b\u3088\u308b\u5b9f\u88c5<\/ul>\n
                                    user     system      total        real\r\n\u30b1\u30fc\u30b91    0.675000   0.092000   0.767000 (  3.186102)\r\n\u30b1\u30fc\u30b92    0.547000   0.129000   0.676000 (  2.801824)\r\n<\/code><\/pre>\n
                          EVAL \u3068 Lua \u306b\u3088\u308b\u5b9f\u88c5<\/ul>\n
                                      user     system      total        real\r\n\u30b1\u30fc\u30b91    0.070000   0.000000   0.070000 (  0.116453)\r\n\u30b1\u30fc\u30b92    0.148000   0.000000   0.148000 (  0.428765)\r\n<\/code><\/pre>\n
                          \u5c31\u50cf\u4ee5\u4e0a\u6240\u8ff0\uff0c\u65e0\u8bba\u5728\u54ea\u79cd\u60c5\u51b5\u4e0b\uff0cEVAL \u548c Lua \u7684\u5b9e\u73b0\u901f\u5ea6\u90fd\u8d85\u8fc7\u4e86\u5176\u4ed6\u9009\u9879\u3002\u5728\u60c5\u51b51\u4e2d\uff0c\u4f7f\u7528 Ruby \u7684\u5b9e\u73b0\u9700\u8981\u4e0e Redis \u8fdb\u884c\u591a\u6b21\u4ea4\u4e92\uff0c\u6839\u636e\u6307\u5b9a\u7684\u4eba\u6570\u8fdb\u884c\u64cd\u4f5c\uff0c\u800c\u4f7f\u7528 EVAL \u7684\u5b9e\u73b0\u53ea\u9700\u8981\u4e00\u6b21\u64cd\u4f5c\uff0c\u56e0\u6b64\u4e0e\u60c5\u51b52\u76f8\u6bd4\u6709\u5f88\u5927\u7684\u5dee\u8ddd\u3002
                          \n\u60c5\u51b52\u66f4\u63a5\u8fd1\u5b9e\u9645\u5e94\u7528\uff0c\u4f46\u4ecd\u5b58\u5728\u660e\u663e\u5dee\u8ddd\u3002<\/p>\n
                          \u603b\u7ed3<\/h1>\n
                          \u6211\u4eec\u5bf9\u4f7f\u7528Ruby\u8fdb\u884c\u7684Sorted Sets\u7684\u968f\u673a\u6210\u5458\u83b7\u53d6\u65b9\u6cd5\u8fdb\u884c\u4e86\u6bd4\u8f83\uff0c\u5e76\u4e0e\u4f7f\u7528EVAL\u548cLua\u7684\u5b9e\u73b0\u8fdb\u884c\u4e86\u5bf9\u6bd4\u3002\u8003\u8651\u5230\u5728\u5176\u4ed6\u7528\u9014\u4e2d\u4e5f\u53ef\u80fd\u901a\u8fc7\u4f7f\u7528EVAL\u547d\u4ee4\u6765\u5b9e\u73b0\u52a0\u901f\uff0c\u5efa\u8bae\u60a8\u8003\u8651\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\u3002<\/p>\n
                          \u6b64\u5916\uff0c\u867d\u7136\u672c\u6b21\u6ca1\u6709\u63d0\u53ca\uff0c\u4f46\u8fd8\u6709\u4e00\u4e2a\u53eb\u505a EVALSHA \u7684\u547d\u4ee4\u3002\u5b83\u9664\u4e86\u5177\u6709 EVAL \u547d\u4ee4\u7684\u529f\u80fd\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e0d\u6bcf\u6b21\u5c06\u811a\u672c\u53d1\u9001\u5230\u670d\u52a1\u5668\u6765\u8282\u7701\u901a\u4fe1\u6570\u636e\u91cf\u3002\u5bf9\u4e8e\u8f83\u5927\u7684\u811a\u672c\u53ef\u80fd\u4f1a\u66f4\u52a0\u6709\u6548\u3002<\/p>\n
                          \n
                          \u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u4e5f\u8bb8\u53ef\u4ee5\u91c7\u7528\u66f4\u7b80\u5316\u7684\u5339\u914d\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u636e\u6392\u540d\u800c\u4e0d\u662f\u5206\u6570\u786e\u5b9a\u5019\u9009\u8303\u56f4\uff0c\u6216\u8005\u5982\u679c\u9700\u89815\u4e2a\u5019\u9009\u4eba\uff0c\u53ef\u4ee5\u4f7f\u7528ZRANGE\u5728\u4e00\u6b21\u67e5\u8be2\u4e2d\u83b7\u53d65\u4e2a\u4eba\u4e5f\u53ef\u80fd\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u5e94\u8be5\u8003\u8651\u76ee\u6807\u5206\u6570\u8303\u56f4\u5185\u7684\u6210\u5458\u6570\u91cf\u4ee5\u53ca\u63d0\u53d6\u7684\u6210\u5458\u91cd\u590d\u7684\u60c5\u51b5\uff0c\u4f46\u7531\u4e8e\u5b9e\u9a8c\u7ed3\u679c\u4e0d\u53d7\u5f71\u54cd\uff0c\u6240\u4ee5\u7701\u7565\u4e86\u8fd9\u4e9b\u3002\u5b9e\u65bd\u65b9\u6cd5\u53c2\u8003\u8fd9\u91cc\u3002\u5173\u4e8e\u539f\u5b50\u6027\u6709\u63cf\u8ff0\u5728\u8fd9\u91cc\u3002\u6b64\u5916\uff0cRedis\u53ef\u4ee5\u4f7f\u7528MULTI\u547d\u4ee4\u5b9e\u73b0\u65e0\u56de\u6eda\u7684\u4e8b\u52a1\uff0c\u4f46\u5c06\u6765\u53ef\u80fd\u7edf\u4e00\u4e3a\u7531EVAL\u547d\u4ee4\u8fdb\u884c\u811a\u672c\u7f16\u5199\u7684\u53ef\u80fd\u6027\u5c31\u50cf\u8fd9\u91cc\u63cf\u8ff0\u7684\u90a3\u6837\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u4e0d\u5e94\u8be5\u50cf\u7528\u4f8b1\u90a3\u6837\u4f7f\u7528\u3002\u5982\u8fd9\u91cc\u6240\u8ff0\uff0c\u5728\u5b58\u5728\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u4e00\u4e2a\u547d\u4ee4\u6b63\u5728\u5904\u7406\u65f6\uff0c\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u547d\u4ee4\u5c06\u5168\u90e8\u505c\u6b62\uff0c\u56e0\u6b64\u5e94\u8be5\u907f\u514d\u957f\u65f6\u95f4\u7684\u67e5\u8be2\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"
                          \u8fd9\u662fHappy Elements\u682a\u5f0f\u4f1a\u793e\u5361\u5361\u5229\u4e9a\u5de5\u4f5c\u5ba42016\u5e74\u5723\u8bde\u964d\u4e34\u65e5\u5386\u7684\u7b2c19\u7bc7\u6587\u7ae0\u3002 \u603b\u89c8 \u5728\u6211\u6240\u5c5e\u7684 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33978","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\u6765\u968f\u673a\u83b7\u53d6\u6210\u5458 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528-redis-\u7684\u6709\u5e8f\u96c6\u5408\u6765\u968f\u673a\u83b7\u53d6\u6210\u5458\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\u6765\u968f\u673a\u83b7\u53d6\u6210\u5458\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u662fHappy Elements\u682a\u5f0f\u4f1a\u793e\u5361\u5361\u5229\u4e9a\u5de5\u4f5c\u5ba42016\u5e74\u5723\u8bde\u964d\u4e34\u65e5\u5386\u7684\u7b2c19\u7bc7\u6587\u7ae0\u3002 \u603b\u89c8 \u5728\u6211\u6240\u5c5e\u7684 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528-redis-\u7684\u6709\u5e8f\u96c6\u5408\u6765\u968f\u673a\u83b7\u53d6\u6210\u5458\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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