{"id":202008,"date":"2025-05-10T11:24:11","date_gmt":"2025-05-10T03:24:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202008\/"},"modified":"2025-05-10T11:24:11","modified_gmt":"2025-05-10T03:24:11","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%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\/202008\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd<\/h1>\n

\u76ee\u524dgolang\u5b66\u4e60\u7f51\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6570\u636e\u5e93<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd<\/p>\n

\u5f15\u8a00\uff1a
\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u907f\u514d\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u4fee\u6539\u5171\u4eab\u8d44\u6e90\u800c\u5f15\u53d1\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u4e86\u89e3Redis
Redis\u662f\u4e00\u79cd\u57fa\u4e8e\u5185\u5b58\u7684\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u6570\u636e\u5e93\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\uff0c\u4f7f\u5176\u6210\u4e3a\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u7406\u60f3\u9009\u62e9\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

\u4e8c\u3001\u5206\u5e03\u5f0f\u9501\u7684\u539f\u7406
\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u539f\u7406\u6bd4\u8f83\u7b80\u5355\uff0c\u901a\u8fc7\u5728\u5171\u4eab\u8d44\u6e90\u7684\u524d\u540e\u52a0\u9501\uff0c\u6765\u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u80fd\u591f\u5bf9\u5171\u4eab\u8d44\u6e90\u8fdb\u884c\u64cd\u4f5c\u3002\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528SETNX\u547d\u4ee4\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0cSETNX\u547d\u4ee4\u7528\u4e8e\u8bbe\u7f6e\u6307\u5b9a\u952e\u7684\u503c\uff0c\u5f53\u4e14\u4ec5\u5f53\u8be5\u952e\u4e0d\u5b58\u5728\u65f6\u8bbe\u7f6e\u6210\u529f\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e2a\u7279\u6027\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u83b7\u53d6\u548c\u91ca\u653e\u3002<\/p>\n

\u4e09\u3001\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u4ee3\u7801\u793a\u4f8b
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Ruby\u8bed\u8a00\u7f16\u5199\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\u3002<\/p>\n

    \n
  1. \n

    \u4f7f\u7528Redis\u83b7\u53d6\u9501\uff1a<\/p>\n

    require 'redis'\n\ndef get_lock(key, expire_time)\n  redis = Redis.new\n\n  # \u5229\u7528SETNX\u547d\u4ee4\u83b7\u53d6\u9501\n  lock = redis.setnx(key, 1)\n\n  if lock\n # \u83b7\u53d6\u9501\u6210\u529f\uff0c\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\n redis.expire(key, expire_time)\n # \u6267\u884c\u4e1a\u52a1\u903b\u8f91\n # ...\n  else\n # \u83b7\u53d6\u9501\u5931\u8d25\uff0c\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u91cd\u8bd5\n sleep(0.1)\n get_lock(key, expire_time)\n  end\nend<\/pre>\n<\/li>\n
  2. \n
    \u91ca\u653e\u9501\uff1a<\/p>\n
    def release_lock(key)\n  redis = Redis.new\n\n  # \u5229\u7528DEL\u547d\u4ee4\u91ca\u653e\u9501\n  redis.del(key)\nend<\/pre>\n<\/li>\n<\/ol>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7Redis\u7684setnx\u65b9\u6cd5\u83b7\u53d6\u9501\uff0c\u5982\u679c\u8fd4\u56de\u503c\u4e3a1\u4ee3\u8868\u83b7\u53d6\u9501\u6210\u529f\uff0c\u7136\u540e\u8bbe\u7f6e\u9501\u7684\u8fc7\u671f\u65f6\u95f4\u3002\u5982\u679c\u83b7\u53d6\u9501\u5931\u8d25\uff0c\u5219\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u518d\u6b21\u5c1d\u8bd5\u83b7\u53d6\u9501\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u63d0\u4f9b\u4e86\u91ca\u653e\u9501\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7Redis\u7684del\u65b9\u6cd5\u5c06\u9501\u5220\u9664\u3002<\/p>\n
    \u56db\u3001\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n
      \n
    1. \u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff1a\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u4e1a\u52a1\u903b\u8f91\u7684\u7279\u70b9\u6765\u8bbe\u7f6e\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4ee5\u907f\u514d\u9501\u88ab\u957f\u65f6\u95f4\u5360\u7528\u800c\u5bfc\u81f4\u7684\u95ee\u9898\u3002\u8fc7\u671f\u65f6\u95f4\u8fc7\u957f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u4ed6\u5ba2\u6237\u7aef\u7b49\u5f85\u65f6\u95f4\u8fc7\u957f\uff0c\u800c\u8fc7\u671f\u65f6\u95f4\u8fc7\u77ed\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9501\u5931\u6548\u3002<\/li>\n
    2. \u5f02\u5e38\u5904\u7406\uff1a\u5728\u83b7\u53d6\u9501\u548c\u91ca\u653e\u9501\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u5f02\u5e38\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u4ee3\u7801\u7684\u5065\u58ee\u6027\uff0c\u5e94\u8be5\u6355\u83b7\u5f02\u5e38\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5728\u83b7\u53d6\u9501\u65f6\u53ef\u80fd\u53d1\u751f\u7f51\u7edc\u5f02\u5e38\uff0c\u6b64\u65f6\u9700\u8981\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002<\/li>\n
    3. \u7ebf\u7a0b\u5b89\u5168\u6027\uff1a\u7531\u4e8e\u5206\u5e03\u5f0f\u9501\u662f\u4e3a\u4e86\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u5b8c\u6574\u6027\uff0c\u6240\u4ee5\u5728\u5904\u7406\u5171\u4eab\u8d44\u6e90\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u5b89\u5168\u6027\u3002\u5728\u5904\u7406\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528\u7ebf\u7a0b\u5b89\u5168\u7684\u65b9\u5f0f\u8fdb\u884c\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/li>\n<\/ol>\n
      \u603b\u7ed3\uff1a
      \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Redis\u548cRuby\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5cSETNX\u6765\u83b7\u53d6\u548c\u91ca\u653e\u9501\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u80fd\u591f\u5bf9\u5171\u4eab\u8d44\u6e90\u8fdb\u884c\u64cd\u4f5c\uff0c\u786e\u4fdd\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u4e1a\u52a1\u7684\u9700\u6c42\u6765\u8bbe\u7f6e\u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u5e76\u4e14\u8981\u6ce8\u610f\u5f02\u5e38\u5904\u7406\u548c\u7ebf\u7a0b\u5b89\u5168\u6027\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n
      \u53c2\u8003\u6587\u732e\uff1a<\/p>\n
        \n
      1. Redis Documentation: https:\/\/redis.io\/documentation<\/li>\n
      2. Building Resilient Ruby Applications: https:\/\/pragprog.com\/book\/mkbnr2\/building-resilient-ruby-applications<\/li>\n<\/ol>\n
        \n
        \n <\/dt>\n
        \n   \u4f7f\u7528Java\u548cRedis\u6784\u5efa\u5206\u5e03\u5f0f\u63a8\u8350\u7cfb\u7edf\uff1a\u5982\u4f55\u4e2a\u6027\u5316\u63a8\u8350\u5546\u54c1\n <\/dd>\n<\/dl>\n
        \n
        \n <\/dt>\n
        \n   \u5982\u4f55\u4f7f\u7528Go\u8bed\u8a00\u4e2d\u7684XML\u5904\u7406\u51fd\u6570\u89e3\u6790XML\u6587\u4ef6\u5e76\u7b5b\u9009\u8282\u70b9\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u4f7f\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-202008","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202008","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=202008"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202008\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}