{"id":202111,"date":"2025-05-10T11:00:19","date_gmt":"2025-05-10T03:00:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202111\/"},"modified":"2025-05-10T11:00:19","modified_gmt":"2025-05-10T03:00:19","slug":"redis%e5%9c%a8r%e8%af%ad%e8%a8%80%e9%a1%b9%e7%9b%ae%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202111\/","title":{"rendered":"Redis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307\u5357"},"content":{"rendered":"

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

Redis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307\u5357<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662fgolang\u5b66\u4e60\u7f51\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aRedis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307\u5357\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

Redis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307\u5357<\/p>\n

\u5f15\u8a00\uff1a
Redis\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5f00\u6e90\u952e\u503c\u5bf9\u6570\u636e\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002Redis\u7684\u4f18\u70b9\u5305\u62ec\u5feb\u901f\u3001\u53ef\u6269\u5c55\u3001\u6301\u4e45\u5316\u5b58\u50a8\u548c\u4e30\u5bcc\u7684\u529f\u80fd\u3002\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\uff0cRedis\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\u3001\u5206\u5e03\u5f0f\u4efb\u52a1\u7ba1\u7406\u3001\u6d88\u606f\u961f\u5217\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRedis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307\u5357\uff0c\u5e76\u7ed3\u5408\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n

\u4e00\u3001Redis\u7684\u5b89\u88c5\u548c\u914d\u7f6e
\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5728\u672c\u5730\u6216\u670d\u52a1\u5668\u4e0a\u5b89\u88c5Redis\u3002\u5b89\u88c5\u6b65\u9aa4\u53ef\u4ee5\u53c2\u8003Redis\u5b98\u65b9\u6587\u6863\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u9700\u8981\u5bf9Redis\u8fdb\u884c\u57fa\u672c\u7684\u914d\u7f6e\uff0c\u5982\u8bbe\u7f6e\u5bc6\u7801\u3001\u4fee\u6539\u7aef\u53e3\u7b49\u3002\u5728R\u8bed\u8a00\u4e2d\u4f7f\u7528Redis\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5R\u5305”Rredis”\u6765\u4e0eRedis\u8fdb\u884c\u4ea4\u4e92\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b89\u88c5R\u5305\uff1a<\/p>\n

install.packages(\"Rredis\")<\/pre>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u6765\u8fde\u63a5Redis\uff1a<\/p>\n
library(Rredis)\nredisConnect(host = \"localhost\", port = 6379, password = \"your_password\")<\/pre>\n
\u4e8c\u3001Redis\u7684\u5e94\u7528\u573a\u666f<\/p>\n
    \n
  1. \u6570\u636e\u7f13\u5b58
    \u5728\u5927\u591a\u6570R\u8bed\u8a00\u9879\u76ee\u4e2d\uff0c\u6570\u636e\u5904\u7406\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u73af\u8282\u3002\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u4e3a\u6570\u636e\u7f13\u5b58\u3002\u901a\u8fc7\u5c06\u6570\u636e\u5b58\u50a8\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u6216\u5176\u4ed6\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Redis\u6765\u7f13\u5b58R\u8bed\u8a00\u4e2d\u7684\u6570\u636e\uff1a<\/li>\n<\/ol>\n
    # \u8fde\u63a5Redis\nredisConn <- redisConnect()\n\n# \u4eceRedis\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u4e0d\u5b58\u5728\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\ngetData <- function(id) {\n  key <- paste(\"data_\", id, sep = \"_\")\n  cached_data <- redisGet(redisConn, key)\n  \n  if (is.null(cached_data)) {\n    # \u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\n    data <- fetchDataFromDatabase(id)\n    \n    # \u5c06\u6570\u636e\u4fdd\u5b58\u5230Redis\u4e2d\n    redisSet(redisConn, key, data)\n    \n    return(data)\n  }\n  \n  return(cached_data)\n}<\/pre>\n
      \n
    1. \u5206\u5e03\u5f0f\u4efb\u52a1\u7ba1\u7406
      \u5728\u5206\u5e03\u5f0f\u8ba1\u7b97\u73af\u5883\u4e2d\uff0c\u4efb\u52a1\u7684\u5206\u53d1\u548c\u7ba1\u7406\u662f\u4e00\u4e2a\u590d\u6742\u7684\u95ee\u9898\u3002Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7279\u6027\uff0c\u5982\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u548c\u5206\u5e03\u5f0f\u9501\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u7684\u7ba1\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Redis\u6765\u5b9e\u73b0\u4efb\u52a1\u5206\u53d1\uff1a<\/li>\n<\/ol>\n
      # \u8fde\u63a5Redis\nredisConn <- redisConnect()\n\n# \u53d1\u5e03\u4efb\u52a1\npublishTask <- function(task_id, task_data) {\n  redisPublish(redisConn, \"new_task\", paste(task_id, task_data, sep = \":\"))\n}\n\n# \u8ba2\u9605\u4efb\u52a1\nsubscribeTask <- function() {\n  while (TRUE) {\n    message <- redisSubscribe(redisConn, \"new_task\")\n    \n    # \u5904\u7406\u4efb\u52a1\n    task_info <- strsplit(message, \":\")\n    task_id <- task_info[[1]][1]\n    task_data <- task_info[[1]][2]\n    \n    processTask(task_id, task_data)\n  }\n}<\/pre>\n
        \n
      1. \u6d88\u606f\u961f\u5217
        \u6d88\u606f\u961f\u5217\u662f\u4e00\u79cd\u5728\u4e0d\u540c\u7cfb\u7edf\u7ec4\u4ef6\u4e4b\u95f4\u8fdb\u884c\u5f02\u6b65\u901a\u4fe1\u7684\u6280\u672f\u3002Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5217\u8868\u548c\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Redis\u6765\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a<\/li>\n<\/ol>\n
        # \u8fde\u63a5Redis\nredisConn <- redisConnect()\n\n# \u53d1\u5e03\u6d88\u606f\npublishMessage <- function(queue_name, message) {\n  redisLPush(redisConn, queue_name, message)\n}\n\n# \u8ba2\u9605\u6d88\u606f\nsubscribeMessage <- function(queue_name) {\n  while (TRUE) {\n    message <- redisRPop(redisConn, queue_name)\n    processMessage(message)\n  }\n}<\/pre>\n
        \u7ed3\u8bba\uff1a
        Redis\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u952e\u503c\u5bf9\u6570\u636e\u5e93\uff0c\u53ef\u7528\u4e8e\u5404\u79cd\u7528\u9014\uff0c\u5305\u62ec\u6570\u636e\u7f13\u5b58\u3001\u5206\u5e03\u5f0f\u4efb\u52a1\u7ba1\u7406\u548c\u6d88\u606f\u961f\u5217\u3002\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\uff0cRedis\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u3001\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u7ba1\u7406\u548c\u5b9e\u73b0\u5f02\u6b65\u901a\u4fe1\u3002\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u76f8\u4fe1\u8bfb\u8005\u5bf9Redis\u7684\u5e94\u7528\u5df2\u6709\u4e00\u5b9a\u4e86\u89e3\uff0c\u5e76\u80fd\u591f\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7075\u6d3b\u8fd0\u7528\u3002<\/p>\n
        \n
        \n <\/dt>\n
        \n   \u5982\u4f55\u5728MySQL\u4e2d\u5b9e\u73b0\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u6027\u548c\u707e\u5907\uff1f\n <\/dd>\n<\/dl>\n
        \n
        \n <\/dt>\n
        \n   \u5982\u4f55\u901a\u8fc7Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u7f13\u5b58\u4e00\u81f4\u6027\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        Redis\u5728R\u8bed\u8a00\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u6307...<\/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-202111","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202111","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=202111"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202111\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}