{"id":6417,"date":"2025-03-14T16:55:59","date_gmt":"2025-03-14T07:55:59","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=6417"},"modified":"2026-08-28T17:45:57","modified_gmt":"2026-08-28T08:45:57","slug":"mapreduce_glossary","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/mapreduce_glossary\/","title":{"rendered":"MapReduce\u3068\u306f\uff1f\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u3092\u652f\u3048\u305f\u5206\u6563\u51e6\u7406\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u4ed5\u7d44\u307f\u3068\u73fe\u5728\u5730"},"content":{"rendered":"\n

\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u3068\u3044\u3046\u8a00\u8449\u304c\u4e00\u822c\u5316\u3057\u3066\u4e45\u3057\u3044\u73fe\u5728\u3001\u4f01\u696d\u3067\u306fWeb\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3001IoT\u30c7\u30fc\u30bf\u3001\u8cfc\u8cb7\u5c65\u6b74\u3001\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u3001\u6a5f\u68b0\u5b66\u7fd2\u7528\u30c7\u30fc\u30bf\u306a\u3069\u3001\u81a8\u5927\u306a\u60c5\u5831\u3092\u7d99\u7d9a\u7684\u306b\u6271\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u5927\u91cf\u30c7\u30fc\u30bf\u30921\u53f0\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3060\u3051\u3067\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u96e3\u3057\u304f\u306a\u3063\u305f\u3053\u3068\u3067\u767a\u5c55\u3057\u305f\u306e\u304c\u3001\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u9023\u643a\u3055\u305b\u308b\u5206\u6563\u51e6\u7406<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n

\u305d\u306e\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u3068\u3057\u3066\u767b\u5834\u3057\u305f\u306e\u304cMapReduce<\/strong>\u3067\u3059\u3002Google\u304c2004\u5e74\u306b\u767a\u8868\u3057\u305f\u8ad6\u6587\u3092\u304d\u3063\u304b\u3051\u306b\u5e83\u304f\u77e5\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u305d\u306e\u5f8c\u306eHadoop\u306e\u767a\u5c55\u3068\u3068\u3082\u306b\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u6a19\u6e96\u7684\u306a\u8003\u3048\u65b9\u306e\u4e00\u3064\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u305f\u3060\u30572026\u5e74\u73fe\u5728\u3001MapReduce\u3092\u65b0\u898f\u30b7\u30b9\u30c6\u30e0\u306e\u7b2c\u4e00\u5019\u88dc\u3068\u3057\u3066\u9078\u3076\u30b1\u30fc\u30b9\u306f\u4ee5\u524d\u307b\u3069\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002Apache Spark\u3084\u30af\u30e9\u30a6\u30c9\u306e\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u3001Lakehouse\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u578b\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u57fa\u76e4\u304c\u666e\u53ca\u3057\u3001\u3088\u308a\u9ad8\u901f\u304b\u3064\u67d4\u8edf\u306a\u51e6\u7406\u304c\u53ef\u80fd\u306b\u306a\u3063\u305f\u305f\u3081\u3067\u3059\u3002\u4e00\u65b9\u3067\u3001Hadoop MapReduce\u305d\u306e\u3082\u306e\u306f\u73fe\u5728\u3082\u516c\u5f0f\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3055\u308c\u3066\u304a\u308a\u3001Amazon EMR\u306a\u3069\u306e\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9\u3067\u3082Hadoop\u30d9\u30fc\u30b9\u306e\u51e6\u7406\u57fa\u76e4\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u672c\u8a18\u4e8b\u3067\u306f\u3001MapReduce\u306e\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u304b\u3089Hadoop\u3068\u306e\u95a2\u4fc2\u3001Spark\u3068\u306e\u9055\u3044\u3001\u30af\u30e9\u30a6\u30c9\u6642\u4ee3\u306b\u304a\u3051\u308b\u73fe\u5728\u306e\u5f79\u5272\u3001\u305d\u3057\u3066\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b\u969b\u306e\u5224\u65ad\u57fa\u6e96\u307e\u3067\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n

1. MapReduce\u3068\u306f\u4f55\u304b\uff1f
<\/h2>\n

\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u6642\u4ee3\u306e\u80cc\u666f<\/strong><\/p>\n

\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3001\u304b\u3064\u3066\u306f\u9ad8\u6027\u80fd\u306a1\u53f0\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u7528\u610f\u3059\u308b\u300c\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u300d\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u30c7\u30fc\u30bf\u91cf\u304c\u30c6\u30e9\u30d0\u30a4\u30c8\u3001\u30da\u30bf\u30d0\u30a4\u30c8\u898f\u6a21\u306b\u306a\u308b\u3068\u30011\u53f0\u306e\u30de\u30b7\u30f3\u3060\u3051\u3067\u51e6\u7406\u3059\u308b\u306b\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30b3\u30b9\u30c8\u306e\u9762\u3067\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u91cd\u8981\u306b\u306a\u3063\u305f\u306e\u304c\u3001\u5b89\u4fa1\u306a\u30b5\u30fc\u30d0\u30fc\u3092\u8907\u6570\u53f0\u63a5\u7d9a\u3057\u3066\u51e6\u7406\u80fd\u529b\u3092\u9ad8\u3081\u308b\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8<\/strong>\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n

\u5206\u6563\u51e6\u7406\u3067\u306f\u3001\u5de8\u5927\u306a\u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u4e26\u5217\u51e6\u7406\u3057\u307e\u3059\u3002MapReduce\u306f\u3001\u3053\u306e\u51e6\u7406\u3092\u300cMap\u300d\u3068\u300cReduce\u300d\u3068\u3044\u3046\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u306a\u30e2\u30c7\u30eb\u306b\u62bd\u8c61\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n

MapReduce\u306e\u57fa\u672c\u601d\u60f3<\/strong><\/p>\n

MapReduce\u3067\u306f\u3001\u5927\u91cf\u306e\u5165\u529b\u30c7\u30fc\u30bf\u3092Map\u51e6\u7406\u306b\u3088\u3063\u3066\u4e26\u5217\u306b\u51e6\u7406\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u30ad\u30fc\u5358\u4f4d\u3067\u6574\u7406\u3057\u305f\u3046\u3048\u3067Reduce\u51e6\u7406\u306b\u3088\u3063\u3066\u96c6\u7d04\u3057\u307e\u3059\u3002<\/p>\n

\u305f\u3068\u3048\u3070\u3001Web\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u304b\u3089URL\u3054\u3068\u306e\u30a2\u30af\u30bb\u30b9\u56de\u6570\u3092\u6c42\u3081\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

Map\u51e6\u7406\u3067\u306f\u3001\u30ed\u30b0\u3092\u8aad\u307f\u306a\u304c\u3089\u300cURL A \u2192 1\u300d\u300cURL B \u2192 1\u300d\u306e\u3088\u3046\u306a\u30ad\u30fc\u3068\u5024\u306e\u7d44\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u540c\u3058URL\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3001Reduce\u51e6\u7406\u3067\u300cURL A \u2192 100\u4e07\u56de\u300d\u306e\u3088\u3046\u306b\u96c6\u8a08\u3057\u307e\u3059\u3002<\/p>\n

\u91cd\u8981\u306a\u306e\u306f\u3001\u958b\u767a\u8005\u304c\u300c\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3069\u306e\u30c7\u30fc\u30bf\u3092\u9001\u308b\u304b\u300d\u300c\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u3069\u3046\u518d\u5b9f\u884c\u3059\u308b\u304b\u300d\u3068\u3044\u3063\u305f\u5206\u6563\u51e6\u7406\u306e\u7d30\u90e8\u3092\u3059\u3079\u3066\u5b9f\u88c5\u3057\u306a\u304f\u3066\u3082\u3088\u3044\u70b9\u3067\u3059\u3002<\/p>\n

MapReduce\u306f\u3001\u8907\u96d1\u306a\u5206\u6563\u51e6\u7406\u3092\u3001\u30c7\u30fc\u30bf\u5909\u63db\u3068\u96c6\u7d04\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u51e6\u7406\u3078\u62bd\u8c61\u5316\u3057\u305f\u3053\u3068<\/strong>\u306b\u5927\u304d\u306a\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

<\/p>\n

2. MapReduce\u304c\u679c\u305f\u3059\u5f79\u5272\u3068\u7279\u5fb4<\/h2>\n

\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb<\/strong><\/p>\n

MapReduce\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u3001\u5206\u6563\u51e6\u7406\u3092\u6bd4\u8f03\u7684\u5358\u7d14\u306a\u30e2\u30c7\u30eb\u3068\u3057\u3066\u6271\u3048\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

Map\u3067\u306f\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308a\u3001\u4e2d\u9593\u7684\u306a\u30ad\u30fc\u30fb\u30d0\u30ea\u30e5\u30fc\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u7d9a\u304fShuffle\u3067\u306f\u540c\u3058\u30ad\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u96c6\u7d04\u3057\u3001Reduce\u3067\u6700\u7d42\u7684\u306a\u8a08\u7b97\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u30af\u30e9\u30b9\u30bf\u5185\u90e8\u306e\u901a\u4fe1\u3084\u30c7\u30fc\u30bf\u914d\u7f6e\u3092\u7d30\u304b\u304f\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u307e\u305f\u3001Hadoop\u3067\u306fJava\u4ee5\u5916\u306e\u8a00\u8a9e\u3067\u3082Hadoop Streaming\u3092\u5229\u7528\u3057\u3066MapReduce\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u8010\u969c\u5bb3\u6027<\/strong><\/p>\n

MapReduce\u304c\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u3067\u8a55\u4fa1\u3055\u308c\u305f\u7406\u7531\u306e\u4e00\u3064\u304c\u3001\u591a\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u524d\u63d0\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n

Hadoop\u3067\u306f\u8907\u6570\u30ce\u30fc\u30c9\u306b\u3088\u308b\u30af\u30e9\u30b9\u30bf\u3092\u69cb\u7bc9\u3057\u3001\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5206\u6563\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u30ce\u30fc\u30c9\u969c\u5bb3\u3092\u524d\u63d0\u3068\u3057\u3066\u51e6\u7406\u3092\u518d\u5b9f\u884c\u3059\u308b\u4ed5\u7d44\u307f\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5358\u4e00\u30b5\u30fc\u30d0\u30fc\u306b\u4f9d\u5b58\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3088\u308a\u3082\u5927\u898f\u6a21\u51e6\u7406\u3092\u5b89\u5b9a\u3057\u3066\u5b9f\u884c\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002Amazon EMR\u306eHadoop\u74b0\u5883\u3067\u3082\u3001\u30af\u30e9\u30b9\u30bf\u4e0a\u3067\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u3001\u969c\u5bb3\u6642\u306b\u5fa9\u65e7\u3067\u304d\u308b\u4ed5\u7d44\u307f\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30ed\u30fc\u30ab\u30ea\u30c6\u30a3\u3068\u3044\u3046\u8003\u3048\u65b9<\/strong><\/p>\n

MapReduce\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306a\u306e\u304c\u30c7\u30fc\u30bf\u30ed\u30fc\u30ab\u30ea\u30c6\u30a3<\/strong>\u3067\u3059\u3002<\/p>\n

\u5de8\u5927\u306a\u30c7\u30fc\u30bf\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u3059\u3079\u3066\u79fb\u52d5\u3055\u305b\u308b\u3068\u3001\u901a\u4fe1\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081Hadoop\u3067\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u5834\u6240\u306b\u8fd1\u3044\u30ce\u30fc\u30c9\u3067\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ee2\u9001\u91cf\u3092\u6291\u3048\u308b\u8a2d\u8a08\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30c8\u3092\u5206\u96e2\u3059\u308b\u73fe\u4ee3\u306e\u30af\u30e9\u30a6\u30c9\u578b\u30c7\u30fc\u30bf\u57fa\u76e4\u3068\u306f\u7570\u306a\u308b\u91cd\u8981\u306a\u8a2d\u8a08\u601d\u60f3\u3067\u3059\u3002<\/p>\n

<\/p>\n

3. MapReduce\u30d7\u30ed\u30bb\u30b9\u306e\u6d41\u308c<\/h2>\n

MapReduce\u306e\u51e6\u7406\u306f\u3001\u5927\u304d\u304fMap\u3001Shuffle\u3001Reduce<\/span>\u3068\u3044\u3046\u6d41\u308c\u3067\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n

Map\u30d5\u30a7\u30fc\u30ba<\/b><\/p>\n

\u307e\u305a\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u5358\u4f4d\u306b\u5206\u5272\u3057\u3001\u305d\u308c\u305e\u308c\u3092Map\u30bf\u30b9\u30af\u3067\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n

\u305f\u3068\u3048\u3070\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3092\u89e3\u6790\u3059\u308b\u5834\u5408\u3001\u5404\u30ed\u30b0\u30ec\u30b3\u30fc\u30c9\u304b\u3089URL\u3092\u53d6\u308a\u51fa\u3057\u3001\u300cURL \u2192 1\u300d\u3068\u3044\u3046\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u8907\u6570\u306eMap\u30bf\u30b9\u30af\u304c\u4e26\u5217\u306b\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u3048\u3066\u3082\u51e6\u7406\u3092\u8907\u6570\u30ce\u30fc\u30c9\u3078\u5206\u6563\u3067\u304d\u307e\u3059\u3002<\/p>\n

<\/p>\n

Shuffle\u30d5\u30a7\u30fc\u30ba<\/b><\/p>\n

Map\u51e6\u7406\u306e\u5f8c\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u304cShuffle\u3067\u3059\u3002<\/p>\n

Map\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u30ad\u30fc\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3057\u3001\u540c\u3058\u30ad\u30fc\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u540c\u3058Reduce\u30bf\u30b9\u30af\u3078\u6e21\u3057\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u5de5\u7a0b\u306fMapReduce\u306e\u6027\u80fd\u3092\u5de6\u53f3\u3059\u308b\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u518d\u914d\u7f6e\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u91cf\u3084\u30ad\u30fc\u306e\u504f\u308a\u306b\u3088\u3063\u3066\u306f\u5927\u304d\u306a\u8ca0\u8377\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n

Reduce\u30d5\u30a7\u30fc\u30ba<\/b><\/p>\n

Reduce\u3067\u306f\u3001Shuffle\u306b\u3088\u3063\u3066\u307e\u3068\u3081\u3089\u308c\u305f\u30c7\u30fc\u30bf\u3092\u96c6\u7d04\u3057\u307e\u3059\u3002<\/p>\n

\u300cURL \u2192 1\u300d\u3068\u3044\u3046\u30c7\u30fc\u30bf\u304c100\u4e07\u4ef6\u96c6\u307e\u308c\u3070\u3001\u300cURL \u2192 1,000,000\u300d\u3068\u3044\u3046\u7d50\u679c\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3064\u307e\u308aMap\u304c\u300c\u5206\u6563\u3057\u3066\u8a08\u7b97\u3059\u308b\u5de5\u7a0b\u300d\u3001Shuffle\u304c\u300c\u540c\u3058\u5bfe\u8c61\u3092\u96c6\u3081\u308b\u5de5\u7a0b\u300d\u3001Reduce\u304c\u300c\u7d50\u679c\u3092\u307e\u3068\u3081\u308b\u5de5\u7a0b\u300d\u3068\u8003\u3048\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

<\/p>\n

4. MapReduce\u3092\u652f\u3048\u308bHadoop\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/h2>\n

HDFS\u3068YARN\u304c\u652f\u3048\u308b\u57fa\u76e4<\/strong><\/p>\n

MapReduce\u3068\u975e\u5e38\u306b\u6df1\u3044\u95a2\u4fc2\u3092\u6301\u3064\u306e\u304cApache Hadoop<\/strong>\u3067\u3059\u3002<\/p>\n

Hadoop\u306fMapReduce\u3060\u3051\u3092\u610f\u5473\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306a\u3069\u3092\u542b\u3080\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n

\u305d\u306e\u4e2d\u5fc3\u7684\u306a\u8981\u7d20\u306e\u4e00\u3064\u304c**HDFS\uff08Hadoop Distributed File System\uff09**\u3067\u3059\u3002HDFS\u306f\u5927\u5bb9\u91cf\u30c7\u30fc\u30bf\u3092\u8907\u6570\u30ce\u30fc\u30c9\u3078\u5206\u6563\u3057\u3066\u4fdd\u5b58\u3057\u3001\u969c\u5bb3\u306b\u5099\u3048\u305f\u5197\u9577\u5316\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3001**YARN\uff08Yet Another Resource Negotiator\uff09**\u306f\u30af\u30e9\u30b9\u30bf\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3068\u30b8\u30e7\u30d6\u5b9f\u884c\u3092\u62c5\u3044\u307e\u3059\u3002MapReduce\u3060\u3051\u3067\u306a\u304f\u3001\u8907\u6570\u306e\u5206\u6563\u51e6\u7406\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u540c\u3058Hadoop\u30af\u30e9\u30b9\u30bf\u4e0a\u3067\u52d5\u304b\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3053\u3068\u306f\u3001Hadoop\u306e\u91cd\u8981\u306a\u9032\u5316\u3067\u3057\u305f\u3002<\/p>\n

\u73fe\u5728\u3082Apache Hadoop\u306b\u306fMapReduce\u306e\u516c\u5f0f\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u5b58\u5728\u3057\u3001MapReduce\u306fHadoop\u306e\u73fe\u884c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u7dad\u6301\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Hive\u306a\u3069\u306e\u9ad8\u6c34\u6e96\u30c4\u30fc\u30eb<\/strong><\/p>\n

MapReduce\u3092\u76f4\u63a5\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3059\u308b\u306b\u306f\u3001\u5206\u6563\u51e6\u7406\u306b\u95a2\u3059\u308b\u77e5\u8b58\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\u305d\u3053\u3067Hadoop\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001SQL\u30e9\u30a4\u30af\u306a\u64cd\u4f5c\u3067\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3067\u304d\u308bApache Hive<\/strong>\u306a\u3069\u306e\u9ad8\u6c34\u6e96\u30c4\u30fc\u30eb\u304c\u5229\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u308c\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u51e6\u7406\u3092Java\u306a\u3069\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u62c5\u5f53\u8005\u304c\u6bd4\u8f03\u7684\u6271\u3044\u3084\u3059\u3044\u5f62\u3067\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305f\u3060\u3057\u73fe\u5728\u3067\u306f\u3001Hive\u3084Hadoop\u4e0a\u3067\u306eMapReduce\u51e6\u7406\u3060\u3051\u306b\u4f9d\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001Spark\u3084\u30af\u30e9\u30a6\u30c9DWH\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u69cb\u6210\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n

<\/p>\n

5. MapReduce\u306e\u4ee3\u8868\u7684\u306a\u6d3b\u7528\u4e8b\u4f8b<\/h2>\n

Web\u30ed\u30b0\u89e3\u6790\u3068\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u5206\u6790<\/strong><\/p>\n

MapReduce\u304c\u7279\u306b\u5f97\u610f\u3068\u3057\u305f\u306e\u304c\u3001\u5927\u91cf\u306e\u30ed\u30b0\u3092\u4e00\u62ec\u3057\u3066\u51e6\u7406\u3059\u308b\u30d0\u30c3\u30c1\u5206\u6790\u3067\u3059\u3002<\/p>\n

\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3092\u30e6\u30fc\u30b6\u30fc\u3001URL\u3001\u5730\u57df\u3001\u6642\u9593\u5e2f\u306a\u3069\u3067\u5206\u985e\u3057\u3001\u30a2\u30af\u30bb\u30b9\u6570\u3084\u5229\u7528\u50be\u5411\u3092\u96c6\u8a08\u3059\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u6539\u5584\u3084\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u5206\u6790\u306b\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

ETL\u30fb\u30c7\u30fc\u30bf\u5909\u63db<\/strong><\/p>\n

\u8907\u6570\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u53ce\u96c6\u3057\u305f\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u5909\u63db\u51e6\u7406\u3082\u4ee3\u8868\u7684\u306a\u7528\u9014\u3067\u3059\u3002<\/p>\n

\u5927\u91cf\u306eCSV\u3084\u30ed\u30b0\u3092\u8aad\u307f\u8fbc\u307f\u3001\u4e0d\u8981\u306a\u30c7\u30fc\u30bf\u3092\u9664\u5916\u3057\u305f\u308a\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5909\u63db\u3057\u305f\u308a\u3001\u8907\u6570\u30c7\u30fc\u30bf\u3092\u96c6\u7d04\u3057\u305f\u308a\u3059\u308b\u51e6\u7406\u306fMapReduce\u3068\u76f8\u6027\u304c\u3088\u3044\u9818\u57df\u3067\u3057\u305f\u3002<\/p>\n

\u6a5f\u68b0\u5b66\u7fd2\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406<\/strong><\/p>\n

\u6a5f\u68b0\u5b66\u7fd2\u305d\u306e\u3082\u306e\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5b66\u7fd2\u524d\u306e\u30c7\u30fc\u30bf\u30af\u30ec\u30f3\u30b8\u30f3\u30b0\u3084\u96c6\u8a08\u306b\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u305f\u3060\u3057\u73fe\u5728\u306f\u3001\u6a5f\u68b0\u5b66\u7fd2\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u57fa\u76e4\u3068\u3057\u3066Apache Spark\u3084\u30af\u30e9\u30a6\u30c9\u306e\u5206\u6563\u51e6\u7406\u30b5\u30fc\u30d3\u30b9\u304c\u9078\u629e\u3055\u308c\u308b\u3053\u3068\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

6. MapReduce\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n

MapReduce\u306e\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n

MapReduce\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u8907\u6570\u30ce\u30fc\u30c9\u3067\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3092\u62bd\u8c61\u5316\u3057\u3066\u3044\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u3001\u30ce\u30fc\u30c9\u969c\u5bb3\u3092\u60f3\u5b9a\u3057\u305f\u518d\u5b9f\u884c\u6a5f\u69cb\u3092\u5099\u3048\u305fHadoop\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u5b89\u5b9a\u3057\u3066\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u51e6\u7406\u3092\u591a\u6570\u306e\u30ce\u30fc\u30c9\u306b\u5206\u6563\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u3048\u305f\u5834\u5408\u306b\u3082\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u306b\u3088\u3063\u3066\u5bfe\u5fdc\u3057\u3084\u3059\u3044\u70b9\u3082\u7279\u5fb4\u3067\u3059\u3002<\/p>\n

<\/p>\n

MapReduce\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n

\u4e00\u65b9\u3001MapReduce\u306b\u306f\u660e\u78ba\u306a\u5f31\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u7279\u306b\u5927\u304d\u3044\u306e\u304c\u3001\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u30c7\u30a3\u30b9\u30af\u3078\u66f8\u304d\u51fa\u3059\u3053\u3068\u306b\u3088\u308bI\/O\u30b3\u30b9\u30c8<\/strong>\u3067\u3059\u3002<\/p>\n

\u8907\u6570\u306e\u51e6\u7406\u3092\u9023\u7d9a\u3057\u3066\u5b9f\u884c\u3059\u308b\u5834\u5408\u3001\u30b8\u30e7\u30d6\u9593\u3067\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u30fb\u8aad\u307f\u8fbc\u307f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u51e6\u7406\u5168\u4f53\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u9ad8\u304f\u306a\u308a\u3084\u3059\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001Shuffle\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ee2\u9001\u3082\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308a\u5f97\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790\u3084\u53cd\u5fa9\u8a08\u7b97\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u306f\u5fc5\u305a\u3057\u3082\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u3001\u73fe\u5728\u3067\u306fMapReduce\u3088\u308a\u3082\u67d4\u8edf\u306a\u5206\u6563\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u304c\u9078\u3070\u308c\u308b\u5834\u9762\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

<\/p>\n

7. Spark\u3084\u30af\u30e9\u30a6\u30c9\u6642\u4ee3\u306b\u304a\u3051\u308bMapReduce\u306e\u73fe\u5728\u5730<\/h2>\n

Apache Spark\u3068\u306e\u9055\u3044<\/strong><\/p>\n

\u73fe\u5728\u306e\u5206\u6563\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u8003\u3048\u308b\u3046\u3048\u3067\u3001MapReduce\u3068\u6bd4\u8f03\u3055\u308c\u308b\u4ee3\u8868\u7684\u306a\u6280\u8853\u304cApache Spark<\/strong>\u3067\u3059\u3002<\/p>\n

Spark\u306fMapReduce\u3068\u540c\u3058\u304f\u5206\u6563\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u8907\u6570\u306e\u51e6\u7406\u3092\u4e00\u3064\u306e\u5b9f\u884c\u8a08\u753b\u3068\u3057\u3066\u6700\u9069\u5316\u3067\u304d\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30e1\u30e2\u30ea\u3092\u6d3b\u7528\u3057\u305f\u51e6\u7406\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u305d\u306e\u305f\u3081\u3001\u53cd\u5fa9\u8a08\u7b97\u3001\u8907\u6570\u6bb5\u968e\u306e\u30c7\u30fc\u30bf\u5909\u63db\u3001\u6a5f\u68b0\u5b66\u7fd2\u3001SQL\u5206\u6790\u306a\u3069\u3067\u306fSpark\u304c\u6709\u5229\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n

2026\u5e74\u6642\u70b9\u306eApache Spark\u306f4.x\u7cfb\u3078\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u73fe\u5728\u306e\u5206\u6563\u30c7\u30fc\u30bf\u51e6\u7406\u57fa\u76e4\u3067\u306fSpark\u304c\u4e3b\u8981\u306a\u9078\u629e\u80a2\u306e\u4e00\u3064\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u4e00\u89a7\u306b\u30824.2.0\u3092\u542b\u30804.x\u7cfb\u306e\u30ea\u30ea\u30fc\u30b9\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3057\u305f\u304c\u3063\u3066\u73fe\u5728\u306eMapReduce\u306f\u3001\u300cSpark\u3088\u308a\u53e4\u3044\u304b\u3089\u4e0d\u8981\u300d\u3068\u5358\u7d14\u306b\u8003\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5927\u898f\u6a21\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u652f\u3048\u305f\u57fa\u672c\u30e2\u30c7\u30eb\u3068\u3057\u3066\u7406\u89e3\u3059\u308b\u6280\u8853<\/strong>\u3068\u6349\u3048\u308b\u306e\u304c\u9069\u5207\u3067\u3059\u3002<\/p>\n

\u30af\u30e9\u30a6\u30c9\u3068\u306e\u95a2\u4fc2<\/strong><\/p>\n

MapReduce\u306f\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u4ee3\u8868\u4f8b\u304cAWS\u306eAmazon EMR<\/strong>\u3067\u3059\u3002Amazon EMR\u306f\u73fe\u5728\u3001Hadoop\u3084Spark\u306a\u3069\u306e\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u30de\u30cd\u30fc\u30b8\u30c9\u74b0\u5883\u3067\u5b9f\u884c\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002EC2\u4e0a\u306e\u30af\u30e9\u30b9\u30bf\u3060\u3051\u3067\u306a\u304f\u3001EMR on EKS\u306a\u3069\u30b3\u30f3\u30c6\u30ca\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u884c\u5f62\u614b\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3064\u307e\u308a\u73fe\u5728\u306f\u3001Hadoop\u30af\u30e9\u30b9\u30bf\u3092\u3059\u3079\u3066\u81ea\u793e\u3067\u69cb\u7bc9\u30fb\u904b\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051\u5206\u6563\u51e6\u7406\u74b0\u5883\u3092\u5229\u7528\u3059\u308b\u3068\u3044\u3046\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

8. \u6700\u65b0\u52d5\u5411\u3068\u5c06\u6765\u5c55\u671b<\/h2>\n

2026\u5e74\u306e\u30c7\u30fc\u30bf\u57fa\u76e4\u3067\u306f\u3001MapReduce\u5358\u4f53\u3088\u308a\u3082\u8907\u6570\u306e\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u3084\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/strong>\u304c\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u305f\u3068\u3048\u3070\u3001\u30c7\u30fc\u30bf\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u3078\u84c4\u7a4d\u3057\u3001Spark\u306a\u3069\u3067\u5927\u898f\u6a21\u5909\u63db\u3092\u884c\u3044\u3001\u30af\u30e9\u30a6\u30c9DWH\u3084Lakehouse\u3067\u5206\u6790\u3059\u308b\u69cb\u6210\u3067\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u306fKafka\u3084Flink\u306a\u3069\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u306b\u9069\u3057\u305f\u6280\u8853\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u306f\u3001MapReduce\u304c\u3059\u3079\u3066\u306e\u51e6\u7406\u3092\u62c5\u3046\u306e\u3067\u306f\u306a\u304f\u3001**\u300c\u3069\u306e\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u3092\u3001\u3069\u306e\u30c7\u30fc\u30bf\u306b\u3001\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u4f7f\u3046\u304b\u300d**\u3068\u3044\u3046\u8a2d\u8a08\u5224\u65ad\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3001Hadoop MapReduce\u81ea\u4f53\u3082\u6d88\u6ec5\u3057\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Apache Hadoop\u3067\u306f\u73fe\u5728\u3082MapReduce\u306e\u958b\u767a\u30fb\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u7dad\u6301\u3055\u308c\u3066\u304a\u308a\u3001AWS\u306eAmazon EMR\u3067\u3082Hadoop\u30d9\u30fc\u30b9\u306e\u51e6\u7406\u74b0\u5883\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

9. MapReduce\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b\u3068\u304d\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n

\u73fe\u5728\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u57fa\u76e4\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u306f\u3001\u307e\u305a\u300cMapReduce\u3092\u4f7f\u3046\u300d\u3053\u3068\u3092\u524d\u63d0\u306b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u306a\u51e6\u7406\u7279\u6027\u304b\u3089\u6280\u8853\u3092\u9078\u3076<\/strong>\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u5b9a\u671f\u7684\u306b\u96c6\u8a08\u3059\u308b\u3060\u3051\u306a\u3089\u3001\u30af\u30e9\u30a6\u30c9DWH\u3084\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u578b\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u30b5\u30fc\u30d3\u30b9\u306e\u307b\u3046\u304c\u904b\u7528\u3057\u3084\u3059\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8907\u96d1\u306aETL\u3001\u6a5f\u68b0\u5b66\u7fd2\u3001\u53cd\u5fa9\u51e6\u7406\u306a\u3069\u304c\u5fc5\u8981\u306a\u3089Spark\u306a\u3069\u306e\u5206\u6563\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u304c\u5019\u88dc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3001\u65e2\u5b58\u306eHadoop\u74b0\u5883\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u3067\u306f\u3001MapReduce\u3092\u7121\u7406\u306b\u7f6e\u304d\u63db\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u65e2\u5b58\u8cc7\u7523\u3092\u6d3b\u304b\u3057\u306a\u304c\u3089\u4e00\u90e8\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092Spark\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3078\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3059\u308b\u65b9\u6cd5\u3082\u6709\u52b9\u3067\u3059\u3002<\/p>\n

\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u30c7\u30fc\u30bf\u91cf\u3060\u3051\u3067\u306a\u304f\u3001\u51e6\u7406\u6642\u9593\u3001\u30c7\u30fc\u30bf\u5f62\u5f0f\u3001\u66f4\u65b0\u983b\u5ea6\u3001\u904b\u7528\u4f53\u5236\u3001\u30af\u30e9\u30a6\u30c9\u5229\u7528\u72b6\u6cc1\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u4e92\u63db\u6027<\/strong>\u307e\u3067\u542b\u3081\u3066\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

<\/p>\n

10. \u307e\u3068\u3081\uff1aMapReduce\u306f\u300c\u53e4\u3044\u6280\u8853\u300d\u3067\u306f\u306a\u304f\u5206\u6563\u51e6\u7406\u306e\u539f\u70b9<\/h2>\n

MapReduce\u306f\u3001\u5de8\u5927\u306a\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3078\u5206\u6563\u3057\u3066\u51e6\u7406\u3059\u308b\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u5e83\u304f\u666e\u53ca\u3055\u305b\u305f\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u6642\u4ee3\u3092\u4ee3\u8868\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n

Map\u3001Shuffle\u3001Reduce\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u51e6\u7406\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u3001\u958b\u767a\u8005\u306f\u5206\u6563\u51e6\u7406\u306e\u8907\u96d1\u306a\u90e8\u5206\u3092\u610f\u8b58\u305b\u305a\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u3092\u4e26\u5217\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305d\u306e\u8003\u3048\u65b9\u306fHadoop\u3078\u53d7\u3051\u7d99\u304c\u308c\u3001HDFS\u3084YARN\u306a\u3069\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u57fa\u76e4\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u6280\u8853\u3078\u767a\u5c55\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u4e00\u65b9\u30012026\u5e74\u73fe\u5728\u3067\u306f\u3001Apache Spark\u3001Flink\u3001\u30af\u30e9\u30a6\u30c9DWH\u3001Lakehouse\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30b9\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u304c\u666e\u53ca\u3057\u3001\u65b0\u898f\u30b7\u30b9\u30c6\u30e0\u3067MapReduce\u3092\u76f4\u63a5\u63a1\u7528\u3059\u308b\u5834\u9762\u306f\u9650\u5b9a\u7684\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u305d\u308c\u3067\u3082MapReduce\u3092\u5b66\u3076\u4fa1\u5024\u306f\u5931\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3080\u3057\u308d\u3001MapReduce\u3092\u7406\u89e3\u3059\u308b\u3068\u3001\u5206\u6563\u51e6\u7406\u306b\u304a\u3051\u308b\u4e26\u5217\u5316\u3001\u30c7\u30fc\u30bf\u30b7\u30e3\u30c3\u30d5\u30eb\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3001\u30c7\u30fc\u30bf\u30ed\u30fc\u30ab\u30ea\u30c6\u30a3\u3001\u30d5\u30a9\u30fc\u30eb\u30c8\u30c8\u30ec\u30e9\u30f3\u30b9\u3068\u3044\u3063\u305f\u57fa\u672c\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n

\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u77e5\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u91cf\u3084\u51e6\u7406\u7279\u6027\u306b\u5fdc\u3058\u3066\u3001Spark\u3001Flink\u3001\u30af\u30e9\u30a6\u30c9DWH\u3001Lakehouse\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u57fa\u76e4\u306a\u3069\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u8a2d\u8a08\u529b\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n

\u305d\u306e\u610f\u5473\u3067MapReduce\u306f\u3001\u5358\u306a\u308b\u904e\u53bb\u306e\u6280\u8853\u3067\u306f\u306a\u304f\u3001\u73fe\u4ee3\u306e\u5206\u6563\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u539f\u70b9<\/strong>\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

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