{"id":121586,"date":"2024-03-24T03:05:01","date_gmt":"2024-03-23T18:05:01","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/hadoop-%e3%83%87%e3%83%bc%e3%82%bf-%e3%83%90%e3%83%a9%e3%83%b3%e3%82%b7%e3%83%b3%e3%82%b0-%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89\/"},"modified":"2024-04-04T17:58:14","modified_gmt":"2024-04-04T08:58:14","slug":"hadoop-%e3%83%87%e3%83%bc%e3%82%bf-%e3%83%90%e3%83%a9%e3%83%b3%e3%82%b7%e3%83%b3%e3%82%b0-%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/hadoop-%e3%83%87%e3%83%bc%e3%82%bf-%e3%83%90%e3%83%a9%e3%83%b3%e3%82%b7%e3%83%b3%e3%82%b0-%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89\/","title":{"rendered":"Hadoop \u30c7\u30fc\u30bf \u30d0\u30e9\u30f3\u30b7\u30f3\u30b0 \u30b3\u30de\u30f3\u30c9"},"content":{"rendered":"<p>Hadoop\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u518d\u30d0\u30e9\u30f3\u30b9\u306b\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>HDFS Balancer\u30b3\u30de\u30f3\u30c9\uff1a\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30ce\u30fc\u30c9\u306b\u3001\u30c7\u30fc\u30bf\u5185\u306e\u30d6\u30ed\u30c3\u30af\u3092\u5747\u7b49\u306b\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30d0\u30e9\u30f3\u30b5\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>hdfs balancer [-threshold &lt;threshold&gt;]\r\n<\/code><\/pre>\n<p>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8aac\u660e\uff1a<\/p>\n<ol>\n<li>\u95be\u5024 &lt;\u95be\u5024&gt;: \u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u79fb\u8ee2\u304c\u8d77\u304d\u308b\u95be\u5024\u3092\u6307\u5b9a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f 10 \u3067\u3059\u3002\u3042\u308b\u30ce\u30fc\u30c9\u306b\u3042\u308b\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u6570\u304c\u5e73\u5747\u3068\u306e\u5dee\u304c\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u79fb\u8ee2\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<ol>\n<li>HDFS Rebalancer\u30b3\u30de\u30f3\u30c9\u306fHDFS\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u518d\u5206\u6563\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002Balancer\u30b3\u30de\u30f3\u30c9\u3068\u306f\u7570\u306a\u308a\u3001Rebalancer\u30b3\u30de\u30f3\u30c9\u3067\u306f\u5b9f\u884c\u6642\u306b\u8abf\u6574\u3059\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u6570\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002Rebalancer\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>hdfs dfsadmin -rebalance [-threshold &lt;threshold&gt;] [-bandwidth &lt;bandwidth&gt;]\r\n<\/code><\/pre>\n<p>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8aac\u660e\uff1a<\/p>\n<ol>\n<li>-threshold : \u30aa\u30d7\u30b7\u30e7\u30f3\u5909\u6570\u3002\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u79fb\u884c\u306b\u5bfe\u3059\u308b\u95be\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f10\u3067\u3059\u3002\u3042\u308b\u30ce\u30fc\u30c9\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u6570\u3068\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u306e\u5dee\u304c\u95be\u5024\u3092\u8d85\u3048\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u79fb\u884c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<li>&#8211; \u5e2f\u57df\u5e45 &lt;\u5e2f\u57df\u5e45&gt;\uff1a\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3001\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5e2f\u57df\u5e45\u5236\u9650\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f 0 \u3067\u3059\u3002\u5e2f\u57df\u5e45\u5236\u9650\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u901f\u5ea6\u304c\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u30c7\u30fc\u30bf\u30d0\u30e9\u30f3\u30b9\u64cd\u4f5c\u306f\u30af\u30e9\u30b9\u30bf\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u3001\u614e\u91cd\u306b\u6271\u3046\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hadoop\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u518d\u30d0\u30e9\u30f3\u30b9\u306b\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 HDFS Balancer\u30b3\u30de\u30f3\u30c9\uff1a\u30af\u30e9\u30b9\u30bf\u30fc\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30ce\u30fc\u30c9\u306b\u3001\u30c7\u30fc\u30bf\u5185\u306e\u30d6\u30ed\u30c3\u30af\u3092\u5747\u7b49\u306b\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30d0\u30e9\u30f3\u30b5\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-121586","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hadoop \u30c7\u30fc\u30bf \u30d0\u30e9\u30f3\u30b7\u30f3\u30b0 \u30b3\u30de\u30f3\u30c9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/hadoop-\u30c7\u30fc\u30bf-\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0-\u30b3\u30de\u30f3\u30c9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hadoop \u30c7\u30fc\u30bf \u30d0\u30e9\u30f3\u30b7\u30f3\u30b0 \u30b3\u30de\u30f3\u30c9\" \/>\n<meta property=\"og:description\" content=\"Hadoop\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u518d\u30d0\u30e9\u30f3\u30b9\u306b\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 HDFS 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