{"id":6859,"date":"2024-03-14T19:13:00","date_gmt":"2024-03-14T10:13:00","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/hadoop%e3%81%aemapreduce%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99\/"},"modified":"2025-08-03T11:25:03","modified_gmt":"2025-08-03T02:25:03","slug":"hadoop%e3%81%aemapreduce%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/hadoop%e3%81%aemapreduce%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99\/","title":{"rendered":"MapReduce\u3068\u306f\uff1fHadoop\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"

MapReduce\u306fHadoop\u5185\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30fc\u30bf\u51e6\u7406\u30bf\u30b9\u30af\u304cMap\u30d5\u30a7\u30fc\u30ba\u3068Reduce\u30d5\u30a7\u30fc\u30ba\u306e2\u3064\u306e\u6bb5\u968e\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n

Map\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u5c0f\u3055\u306a\u65ad\u7247\u306b\u5206\u5272\u3055\u308c\u3001\u8907\u6570\u306e\u4e26\u5217\u306b\u5b9f\u884c\u3055\u308c\u308bMap\u30bf\u30b9\u30af\u304c\u51e6\u7406\u3057\u307e\u3059\u3002\u5404Map\u30bf\u30b9\u30af\u306f\u5165\u529b\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u64cd\u4f5c\u3092\u884c\u3044\u3001\u4e2d\u9593\u30ad\u30fc\/\u5024\u306e\u30da\u30a2\u3092\u51fa\u529b\u3068\u3057\u3066\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4e2d\u9593\u30ad\u30fc\/\u5024\u306e\u30da\u30a2\u306f\u3001\u30ad\u30fc\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308bReduce\u30bf\u30b9\u30af\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n

Reduce\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u540c\u3058\u30ad\u30fc\u3092\u6301\u3064\u4e2d\u9593\u7d50\u679c\u304c\u30de\u30fc\u30b8\u3055\u308c\u3001\u3055\u3089\u306a\u308b\u51e6\u7406\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u51fa\u529b\u7d50\u679c\u306fHDFS\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n

MapReduce\u7f16\u7a0b\u6a21\u578b\u7684\u4f18\u70b9\u5305\u62ec\u6613\u4e8e\u7f16\u5199\u548c\u7406\u89e3\u3001\u80fd\u591f\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u3001\u652f\u6301\u5e76\u884c\u5904\u7406\u7b49\u3002\u7136\u800c\uff0c\u5b83\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\uff0c\u4f8b\u5982\u9700\u8981\u5728Map\u548cReduce\u9636\u6bb5\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3001\u4e0d\u80fd\u5904\u7406\u5b9e\u65f6\u6570\u636e\u7b49\u3002<\/p>\n

\u7dcf\u3058\u3066\u3001MapReduce\u306f\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u8a08\u7b97\u30bf\u30b9\u30af\u306b\u9069\u3057\u305f\u5f37\u529b\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u30c4\u30fc\u30eb\u3067\u3059\u3002Hadoop\u3067\u306f\u3001MapReduce\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u304c\u30ed\u30b0\u5206\u6790\u3001\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0\u3001\u6a5f\u68b0\u5b66\u7fd2\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u30bf\u30b9\u30af\u306b\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

MapReduce\u306fHadoop\u5185\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30fc\u30bf\u51e6\u7406\u30bf\u30b9\u30af\u304cMap\u30d5\u30a7\u30fc\u30ba\u3068Reduce\u30d5\u30a7\u30fc\u30ba\u306e2\u3064\u306e\u6bb5\u968e\u306b\u5206\u304b\u308c\u307e\u3059\u3002 Map\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[534,2259,537,2309,550],"class_list":["post-6859","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-hadoop","tag-mapreduce","tag-537","tag-2309","tag-550"],"yoast_head":"\nMapReduce\u3068\u306f\uff1fHadoop\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac - 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