{"id":202125,"date":"2025-05-10T14:31:49","date_gmt":"2025-05-10T06:31:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202125\/"},"modified":"2025-05-10T14:31:49","modified_gmt":"2025-05-10T06:31:49","slug":"redis%e5%9c%a8ruby%e5%bc%80%e5%8f%91%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%ef%bc%9a%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%b9%b6%e5%8f%91%e8%af%b7%e6%b1%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202125\/","title":{"rendered":"Redis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8bf7\u6c42"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8bf7\u6c42<\/h1>\n

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aRedis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

Redis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8bf7\u6c42<\/p>\n

\u5f15\u8a00\uff1a
\u5728\u73b0\u4ee3\u7684Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u9879\u4efb\u52a1\u3002\u5f53\u591a\u4e2a\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u5408\u9002\u7684\u5904\u7406\u673a\u5236\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u6216\u8005\u6027\u80fd\u4e0b\u964d\u3002Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u5e76\u53d1\u8bf7\u6c42\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Ruby\u5f00\u53d1\u4e2d\u4f7f\u7528Redis\u6765\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u4ec0\u4e48\u662fRedis\uff1f
Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u53ef\u4ee5\u7528\u4f5c\u6570\u636e\u5e93\u3001\u7f13\u5b58\u548c\u6d88\u606f\u4e2d\u95f4\u4ef6\u3002\u4e0e\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u540c\uff0cRedis\u5c06\u6240\u6709\u7684\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9e\u73b0\u975e\u5e38\u9ad8\u7684\u8bfb\u5199\u6027\u80fd\u3002\u540c\u65f6\uff0cRedis\u8fd8\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c\u547d\u4ee4\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n

\u4e8c\u3001\u4e3a\u4ec0\u4e48\u4f7f\u7528Redis\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\uff1f
\u5728\u4f20\u7edf\u7684Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528\u6570\u636e\u5e93\u7684\u4e8b\u52a1\u6765\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u3002\u7136\u800c\uff0c\u4e8b\u52a1\u9700\u8981\u52a0\u9501\u6765\u4fdd\u62a4\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u800cRedis\u63d0\u4f9b\u4e86\u4e00\u79cd\u4e50\u89c2\u9501\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u5728\u4e0d\u52a0\u9501\u7684\u60c5\u51b5\u4e0b\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

\u4e09\u3001Redis\u7684\u4e50\u89c2\u9501\u673a\u5236
Redis\u901a\u8fc7WATCH\u548cMULTI\u547d\u4ee4\u6765\u5b9e\u73b0\u4e50\u89c2\u9501\u7684\u673a\u5236\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528WATCH\u547d\u4ee4\u6765\u76d1\u89c6\u88ab\u7ade\u4e89\u7684\u952e\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528MULTI\u547d\u4ee4\u6765\u6267\u884c\u4e8b\u52a1\uff0c\u5f53\u4e8b\u52a1\u6267\u884c\u65f6\uff0c\u5982\u679c\u88ab\u7ade\u4e89\u7684\u952e\u53d1\u751f\u4e86\u53d8\u5316\uff0cRedis\u4f1a\u653e\u5f03\u4e8b\u52a1\u7684\u6267\u884c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u6267\u884c\u4e8b\u52a1\u6765\u4fdd\u8bc1\u4e8b\u52a1\u7684\u6267\u884c\u6210\u529f\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

require 'redis'\n\ndef process_concurrent_request(key)\n  redis = Redis.new\n\n  redis.watch(key)\n  value = redis.get(key)\n\n  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n  sleep(1)\n\n  redis.multi do\n    value = value.to_i + 1\n    redis.set(key, value)\n  end\n\n  puts \"key: #{key}, value: #{value}\"\nend\n\n# \u521b\u5efa10\u4e2a\u5e76\u53d1\u8bf7\u6c42\nthreads = []\n10.times do |n|\n  threads << Thread.new do\n    process_concurrent_request('counter')\n  end\nend\n\n# \u7b49\u5f85\u6240\u6709\u8bf7\u6c42\u5b8c\u6210\nthreads.each(&:join)<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e8610\u4e2a\u5e76\u53d1\u8bf7\u6c42\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u5bf9\u540d\u4e3a’counter’\u7684\u952e\u8fdb\u884c\u52a01\u7684\u64cd\u4f5c\u3002\u6211\u4eec\u4f7f\u7528Redis\u7684WATCH\u6765\u76d1\u89c6’counter’\u952e\uff0c\u7136\u540e\u4f7f\u7528MULTI\u547d\u4ee4\u6267\u884c\u4e8b\u52a1\u3002\u5728\u5b9e\u9645\u6267\u884c\u64cd\u4f5c\u4e4b\u524d\uff0c\u6211\u4eec\u4f7f\u7528sleep(1)\u6765\u6a21\u62df\u8017\u65f6\u64cd\u4f5c\uff0c\u4ee5\u52a0\u5927\u5e76\u53d1\u51b2\u7a81\u7684\u6982\u7387\u3002<\/p>\n
\u56db\u3001\u4ee3\u7801\u8bf4\u660e<\/p>\n
    \n
  1. \u5728\u5f00\u59cb\u5e76\u53d1\u8bf7\u6c42\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efaRedis\u5b9e\u4f8b\uff0c\u5e76\u4f7f\u7528WATCH\u547d\u4ee4\u6765\u76d1\u89c6\u88ab\u7ade\u4e89\u7684\u952e\u3002<\/li>\n
  2. \u5728\u6267\u884c\u4e8b\u52a1\u4e4b\u524d\uff0c\u6211\u4eec\u4f7f\u7528GET\u547d\u4ee4\u6765\u83b7\u53d6\u952e\u7684\u503c\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/li>\n
  3. \u5728\u4e8b\u52a1\u4e2d\uff0c\u6211\u4eec\u5bf9\u503c\u8fdb\u884c\u52a01\u7684\u64cd\u4f5c\uff0c\u5e76\u4f7f\u7528SET\u547d\u4ee4\u5c06\u65b0\u7684\u503c\u5b58\u50a8\u56de\u952e\u4e2d\u3002<\/li>\n
  4. \u6700\u540e\uff0c\u6211\u4eec\u8f93\u51fa\u952e\u548c\u503c\u7684\u4fe1\u606f\u3002<\/li>\n<\/ol>\n
    \u4e94\u3001\u603b\u7ed3
    \u901a\u8fc7\u4e0a\u8ff0\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230Redis\u5728\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u65b9\u9762\u7684\u4f18\u52bf\u3002\u4e0d\u4ec5\u80fd\u591f\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u8bfb\u5199\u80fd\u529b\uff0c\u540c\u65f6\u8fd8\u80fd\u591f\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u7ed3\u5408Redis\u7684\u4e50\u89c2\u9501\u673a\u5236\u6765\u8fdb\u884c\u5e76\u53d1\u8bf7\u6c42\u7684\u5904\u7406\u3002\u540c\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528Redis\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\u65f6\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5230\u7f51\u7edc\u5ef6\u8fdf\u3001\u6570\u636e\u51b2\u7a81\u7b49\u56e0\u7d20\uff0c\u4ee5\u4fdd\u8bc1\u5e94\u7528\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u3002<\/p>\n
    \u53c2\u8003\u8d44\u6599\uff1a<\/p>\n
      \n
    1. Redis\u5b98\u65b9\u7f51\u7ad9\uff1ahttps:\/\/redis.io\/<\/li>\n
    2. Redis in Action: https:\/\/redislabs.com\/redis-best-practices\/redis-increment-counter\/<\/li>\n
    3. Redis Documentation: https:\/\/redis.io\/documentation<\/li>\n<\/ol>\n
      \u5b57\u6570\uff1a753\u5b57<\/p>\n
      \n
      \n <\/dt>\n
      \n   \u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   \u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u673a\u5236\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      Redis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202125","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202125","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202125"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202125\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}