{"id":202137,"date":"2025-05-10T08:25:23","date_gmt":"2025-05-10T00:25:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202137\/"},"modified":"2025-05-10T08:25:23","modified_gmt":"2025-05-10T00:25:23","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8cruby%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202137\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd<\/h1>\n

\u6570\u636e\u5e93\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

\u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd<\/p>\n

\u7b80\u4ecb:
\u5206\u5e03\u5f0f\u9501\u662f\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u5e76\u53d1\u63a7\u5236\u7684\u91cd\u8981\u673a\u5236\u4e4b\u4e00\u3002\u5728\u9ad8\u5e76\u53d1\u7684\u73af\u5883\u4e0b\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9700\u8981\u4f7f\u7528\u9501\u6765\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u3002<\/p>\n

    \n
  1. Redis
    Redis\u662f\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5e38\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u548c\u5206\u5e03\u5f0f\u9501\u7b49\u573a\u666f\u3002\u5b83\u7684\u7279\u70b9\u662f\u9ad8\u6027\u80fd\u3001\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u548c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u547d\u4ee4\u96c6\u3002\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u6765\u5b9e\u73b0\u5bf9\u9501\u7684\u83b7\u53d6\u548c\u91ca\u653e\u3002<\/li>\n
  2. Ruby
    Ruby\u662f\u4e00\u79cd\u52a8\u6001\u7684\u3001\u9762\u5411\u5bf9\u8c61\u7684\u5f00\u53d1\u8bed\u8a00\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u7f16\u5199\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u670d\u52a1\u7aef\u7a0b\u5e8f\u3002Ruby\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u7684\u7ebf\u7a0b\u548c\u5e76\u53d1\u63a7\u5236\u673a\u5236\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u3002<\/li>\n
  3. \u5b9e\u73b0\u6b65\u9aa4
    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728Ruby\u4e2d\u5f15\u5165Redis\u5e93\u3002<\/li>\n<\/ol>\n
    require 'redis'<\/pre>\n
    \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u83b7\u53d6\u9501\u3002<\/p>\n
    def acquire_lock(key, expire_time)\n  redis = Redis.new\n  loop do\n    # \u5c1d\u8bd5\u83b7\u5f97\u9501\n    acquired = redis.set(key, \"locked\", nx: true, ex: expire_time)\n    return true if acquired\n\n    # \u672a\u80fd\u83b7\u5f97\u9501\uff0c\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u91cd\u8bd5\n    sleep(0.1)\n  end\nend<\/pre>\n
    \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684set<\/code>\u547d\u4ee4\u6765\u5c1d\u8bd5\u83b7\u5f97\u9501\u3002nx: true<\/code>\u53c2\u6570\u8868\u793a\u53ea\u6709\u5f53\u952e\u4e0d\u5b58\u5728\u65f6\u624d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u6210\u529f\u83b7\u5f97\u9501\u3002ex: expire_time<\/code>\u53c2\u6570\u8868\u793a\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u5373\u9501\u81ea\u52a8\u91ca\u653e\u7684\u65f6\u95f4\u3002<\/p>\n
    \u5982\u679c\u6210\u529f\u83b7\u5f97\u9501\uff0c\u51fd\u6570\u8fd4\u56detrue<\/code>\uff0c\u5426\u5219\u4f1a\u8fdb\u5165\u5faa\u73af\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u91cd\u8bd5\u3002<\/p>\n
    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u91ca\u653e\u9501\u3002<\/p>\n
    def release_lock(key)\n  redis = Redis.new\n  redis.del(key)\nend<\/pre>\n
    \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684del<\/code>\u547d\u4ee4\u6765\u5220\u9664\u9501\u3002\u8fd9\u4f1a\u4f7f\u5f97\u5176\u4ed6\u5ba2\u6237\u7aef\u80fd\u591f\u83b7\u5f97\u8be5\u9501\u3002<\/p>\n
      \n
    1. \u4f7f\u7528\u793a\u4f8b
      \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5206\u5e03\u5f0f\u9501\u7684\u4f7f\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u6f14\u793a\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7684Ruby\u7a0b\u5e8f\uff0c\u5b83\u540c\u65f6\u8bbf\u95ee\u4e00\u4e2a\u5171\u4eab\u8d44\u6e90\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6765\u4fdd\u8bc1\u5bf9\u8be5\u8d44\u6e90\u7684\u8bbf\u95ee\u662f\u4e92\u65a5\u7684\u3002<\/li>\n<\/ol>\n
      def access_shared_resource\n  key = \"shared_resource_lock\"\n  expire_time = 10\n\n  if acquire_lock(key, expire_time)\n    # \u83b7\u5f97\u9501\u540e\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\n    puts \"Accessing shared resource...\"\n    sleep(2)\n    puts \"Finished accessing shared resource\"\n    release_lock(key)\n  else\n    # \u672a\u80fd\u83b7\u5f97\u9501\uff0c\u53ef\u80fd\u9700\u8981\u5904\u7406\u9501\u7ade\u4e89\u7684\u60c5\u51b5\n    puts \"Failed to acquire lock\"\n  end\nend<\/pre>\n
      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570access_shared_resource<\/code>\u3002\u5728\u8be5\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u83b7\u5f97\u9501\uff0c\u7136\u540e\u5b89\u5168\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u6700\u540e\u91ca\u653e\u9501\u3002\u5982\u679c\u672a\u80fd\u83b7\u5f97\u9501\uff0c\u5219\u9700\u8981\u5904\u7406\u9501\u7ade\u4e89\u7684\u60c5\u51b5\u3002<\/p>\n
      \u4e3a\u4e86\u6a21\u62df\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u3002<\/p>\n
      threads = []\n10.times do\n  threads << Thread.new { access_shared_resource }\nend\nthreads.each(&:join)<\/pre>\n
      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e8610\u4e2a\u7ebf\u7a0b\uff0c\u5e76\u4e14\u6bcf\u4e2a\u7ebf\u7a0b\u8c03\u7528access_shared_resource<\/code>\u51fd\u6570\u6765\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u3002\u901a\u8fc7\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u83b7\u5f97\u9501\u5e76\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u5176\u4ed6\u7ebf\u7a0b\u5c06\u4f1a\u5931\u8d25\u5e76\u7b49\u5f85\u3002<\/p>\n
      \u603b\u7ed3:
      \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u3002\u901a\u8fc7\u5229\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u548cRuby\u7684\u7ebf\u7a0b\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u63a7\u5236\u3002\u5206\u5e03\u5f0f\u9501\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u662f\u975e\u5e38\u5e7f\u6cdb\u7684\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5bf9\u8bfb\u8005\u7406\u89e3\u548c\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
      \n
      \n <\/dt>\n
      \n   Redis\u4e0ePython\u7684\u53d1\u5e03\u8ba2\u9605\u529f\u80fd\uff1a\u5982\u4f55\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   \u4f7f\u7528Python\u548cRedis\u6784\u5efa\u7b80\u5355\u7684\u952e\u503c\u5b58\u50a8\u7cfb\u7edf\uff1a\u5982\u4f55\u9ad8\u6548\u5b58\u50a8\u6570\u636e\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u5229\u7528Redis\u548cRuby\u5b9e\u73b0...<\/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-202137","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202137","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=202137"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202137\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}