{"id":5076,"date":"2024-06-04T10:51:56","date_gmt":"2024-06-04T01:51:56","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=5076"},"modified":"2024-06-04T10:52:38","modified_gmt":"2024-06-04T01:52:38","slug":"hadoop","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/hadoop\/","title":{"rendered":"Hadoop\u306b\u3088\u308b\u5206\u6563\u51e6\u7406\u5165\u9580"},"content":{"rendered":"\n<p>\u8fd1\u5e74\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306f\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304cHadoop\u3067\u3059\u3002Hadoop\u306f\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u306e\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066MapReduce\u3001HDFS\u3001YARN\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5206\u6563\u51e6\u7406\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u8fd1\u5e74\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306f\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304cHadoop\u3067\u3059\u3002Hadoop\u306f\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u306e\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066MapReduce\u3001HDFS\u3001YARN\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5206\u6563\u51e6\u7406\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001Spark\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u307e\u3059\u3002<\/span><\/p>\r\n<p><!-- notionvc: 9559f9a5-48b6-4a2f-b67e-6a42e5399cf7 --><\/p>\n\n<h2>Hadoop\u3068\u306f<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">Hadoop\u306f\u3001Apache Software Foundation\u304c\u958b\u767a\u3057\u305f\u5206\u6563\u51e6\u7406\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6563\u74b0\u5883\u3067\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002Hadoop\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u3001\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u3068\u51e6\u7406\u3092\u5225\u3005\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u884c\u3046\u3053\u3068\u3067\u3059\u3002<\/span><!-- notionvc: 2d32114c-7176-4276-a532-b9da3dd6fd6d --><\/p>\n\n<h2>HDFS (Hadoop Distributed File System)<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">HDFS\u306fHadoop\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308a\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5206\u6563\u3057\u3066\u683c\u7d0d\u3057\u307e\u3059\u3002HDFS\u306f\u4ee5\u4e0b\u306e\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\r\n<ul>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>: \u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30ce\u30fc\u30c9\u306b\u5206\u6563\u3057\u3066\u4fdd\u5b58\u3059\u308b\u305f\u3081\u3001\u5358\u4e00\u306e\u969c\u5bb3\u70b9\u304c\u306a\u304f\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u6271\u3044<\/strong>: \u30da\u30bf\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30c7\u30fc\u30bf\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>: \u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u5834\u6240\u306b\u30b3\u30d4\u30fc\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3001\u8010\u969c\u5bb3\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/span><\/li>\r\n<\/ul>\r\n<p><!-- notionvc: d73d54ef-f05b-4a9f-bd13-0c512cffff99 --><\/p>\n\n<h2>MapReduce<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">MapReduce\u306fHadoop\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u30e2\u30c7\u30eb\u3067\u3059\u3002\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u3092\u5206\u6563\u3057\u3066\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u30e2\u30c7\u30eb\u3067\u3001\u4e8c\u3064\u306e\u4e3b\u8981\u306a\u30d5\u30a7\u30fc\u30ba\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\r\n<ol>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Map\u30d5\u30a7\u30fc\u30ba<\/strong>: \u30c7\u30fc\u30bf\u3092\u30ad\u30fc\u3068\u30d0\u30ea\u30e5\u30fc\u306e\u30da\u30a2\u306b\u5909\u63db\u3057\u3001\u30de\u30c3\u30d4\u30f3\u30b0\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>Reduce\u30d5\u30a7\u30fc\u30ba<\/strong>: Map\u30d5\u30a7\u30fc\u30ba\u3067\u751f\u6210\u3055\u308c\u305f\u4e2d\u9593\u7d50\u679c\u3092\u96c6\u8a08\u3057\u3001\u6700\u7d42\u7684\u306a\u7d50\u679c\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/span><\/li>\r\n<\/ol>\r\n<p><!-- notionvc: 5cc04a32-0dac-497a-9855-24e3822c008e --><\/p>\n\n<h2>MapReduce\u306e\u51e6\u7406\u30d5\u30ed\u30fc<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u4ee5\u4e0b\u306b\u3001MapReduce\u306e\u51e6\u7406\u30d5\u30ed\u30fc\u3092\u8868\u73fe\u3057\u307e\u3059\u3002<\/span><\/p>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>+---------------------+\r\n| Input Data |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Map Phase |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Shuffle and Sort |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Reduce Phase |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Output Data |\r\n+---------------------+<\/code><\/pre>\r\n<\/div>\r\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u3053\u306e\u56f3\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u77e2\u5370\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5165\u529b\u30c7\u30fc\u30bf\u306fMap\u30d5\u30a7\u30fc\u30ba\u3067\u51e6\u7406\u3055\u308c\u3001\u4e2d\u9593\u7d50\u679c\u304c\u30b7\u30e3\u30c3\u30d5\u30eb\u3068\u30bd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001Reduce\u30d5\u30a7\u30fc\u30ba\u3067\u6700\u7d42\u7d50\u679c\u304c\u751f\u6210\u3055\u308c\u3001\u51fa\u529b\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/span><!-- notionvc: 9a2a5889-3ee6-443b-a295-f9e16a5d2c7c --><\/p>\n\n<h2>YARN (Yet Another Resource Negotiator)<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">YARN\u306fHadoop\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u5206\u6563\u74b0\u5883\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u7ba1\u7406\u3068\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002YARN\u306f\u4ee5\u4e0b\u306e\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\r\n<ul>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/strong>: \u30af\u30e9\u30b9\u30bf\u30fc\u5168\u4f53\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u7ba1\u7406\u3057\u3001\u5404\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30b8\u30e7\u30d6\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0<\/strong>: \u30b8\u30e7\u30d6\u306e\u5b9f\u884c\u9806\u5e8f\u3092\u6c7a\u5b9a\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u7af6\u5408\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/span><\/li>\r\n<\/ul>\r\n<p><!-- notionvc: 2ffb055f-f228-4c8f-adc9-88a94e13c544 --><\/p>\n\n<h2>Spark<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">Spark\u306fHadoop\u3068\u540c\u69d8\u306b\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u304c\u3001Hadoop\u3068\u306f\u7570\u306a\u308b\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002Spark\u306f\u30a4\u30f3\u30e1\u30e2\u30ea\u51e6\u7406\u3092\u4e2d\u5fc3\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001Hadoop\u3068Spark\u306e\u9055\u3044\u3092\u7c21\u5358\u306b\u793a\u3057\u307e\u3059\u3002<\/span><\/p>\r\n<ul>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30a4\u30f3\u30e1\u30e2\u30ea\u51e6\u7406<\/strong>: Spark\u306f\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u4e0a\u3067\u51e6\u7406\u3059\u308b\u305f\u3081\u3001Hadoop\u306e\u30c7\u30a3\u30b9\u30afI\/O\u3092\u4f34\u3046\u51e6\u7406\u3088\u308a\u3082\u9ad8\u901f\u3067\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u4f7f\u3044\u3084\u3059\u3055<\/strong>: Spark\u306f\u9ad8\u5ea6\u306aAPI\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u7c21\u6f54\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u6c4e\u7528\u6027<\/strong>: Spark\u306f\u30d0\u30c3\u30c1\u51e6\u7406\u3060\u3051\u3067\u306a\u304f\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3084\u6a5f\u68b0\u5b66\u7fd2\u306a\u3069\u3001\u591a\u69d8\u306a\u7528\u9014\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/li>\r\n<\/ul>\r\n<p><!-- notionvc: 1e4873ec-7d7b-48b4-bab4-3c773b466baf --><\/p>\n\n<h2>Spark\u306e\u51e6\u7406\u30d5\u30ed\u30fc<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u6b21\u306b\u3001Spark\u306e\u51e6\u7406\u30d5\u30ed\u30fc\u3092\u77e2\u5370\u3067\u8868\u73fe\u3057\u307e\u3059\u3002<\/span><!-- notionvc: 1e78d1d1-4b87-4221-a00a-079846cfca58 --><\/p>\r\n<div class=\"hcb_wrap\">\r\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>+---------------------+\r\n| Input Data |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Transformations |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Actions |\r\n+---------------------+\r\n|\r\nv\r\n+---------------------+\r\n| Output Data |\r\n+---------------------+<\/code><\/pre>\r\n<\/div>\r\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u3053\u306e\u56f3\u3067\u306f\u3001\u5165\u529b\u30c7\u30fc\u30bf\u306f\u5909\u63db\uff08Transformations\uff09\u3092\u7d4c\u3066\u3001\u30a2\u30af\u30b7\u30e7\u30f3\uff08Actions\uff09\u306b\u3088\u3063\u3066\u6700\u7d42\u7d50\u679c\u304c\u751f\u6210\u3055\u308c\u3001\u51fa\u529b\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002Spark\u3067\u306f\u3001\u5909\u63db\u64cd\u4f5c\u306f\u6020\u60f0\u306b\u8a55\u4fa1\u3055\u308c\u308b\u305f\u3081\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u307e\u3067\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/span><!-- notionvc: b370d2fd-fb9e-49c5-acb0-09320a9b4969 --><\/p>\n\n<h2>\u5206\u6563\u51e6\u7406\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">Hadoop\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5206\u6563\u51e6\u7406\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\r\n<ul>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>: \u30c7\u30fc\u30bf\u91cf\u306e\u5897\u52a0\u306b\u4f34\u3044\u3001\u5bb9\u6613\u306b\u30ce\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u51e6\u7406\u80fd\u529b\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u8010\u969c\u5bb3\u6027<\/strong>: \u30c7\u30fc\u30bf\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u30ce\u30fc\u30c9\u969c\u5bb3\u304c\u767a\u751f\u3057\u3066\u3082\u30c7\u30fc\u30bf\u306e\u55aa\u5931\u3092\u9632\u304e\u307e\u3059\u3002<\/span><\/li>\r\n\t<li><span style=\"font-family: arial, helvetica, sans-serif\"><strong>\u30b3\u30b9\u30c8\u52b9\u7387<\/strong>: \u5546\u7528\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3066\u3001\u4f4e\u30b3\u30b9\u30c8\u3067\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><\/li>\r\n<\/ul>\r\n<p><!-- notionvc: 4c250ddb-e344-4757-8f06-25506ae5f452 --><\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">Hadoop\u306f\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u6642\u4ee3\u306e\u5206\u6563\u51e6\u7406\u306b\u6b20\u304b\u305b\u306a\u3044\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002HDFS\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8\u3001MapReduce\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3001YARN\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3068\u30b8\u30e7\u30d6\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001Hadoop\u306f\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3092\u5f37\u529b\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001Spark\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u901f\u3067\u67d4\u8edf\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u5206\u6563\u51e6\u7406\u306e\u57fa\u790e\u3092\u7406\u89e3\u3057\u3001Hadoop\u3068Spark\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u53ef\u80fd\u6027\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/span><\/p>\r\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u53c2\u8003\uff1a<span style=\"color: #3366ff\"><a href=\"https:\/\/hadoop.apache.org\/\" style=\"color: #3366ff\">https:\/\/hadoop.apache.org\/<\/a><\/span><\/span><\/p>\r\n<p><!-- notionvc: f8d49508-cd5f-43a0-8194-be435b01d32a --><\/p>","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u5e74\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u306f\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304cHadoop\u3067\u3059\u3002Hadoop\u306f\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u306e\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066MapReduc [&hellip;]<\/p>\n","protected":false},"author":87,"featured_media":5077,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1246],"tags":[635,637,638,636,639],"class_list":["post-5076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-infrastructure","tag-hadoop","tag-hdfs","tag-mapreduce","tag-spark","tag-yarn"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/5076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/87"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=5076"}],"version-history":[{"count":1,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/5076\/revisions"}],"predecessor-version":[{"id":5078,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/5076\/revisions\/5078"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/5077"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=5076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=5076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=5076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}