一些小笔记会持续追加到这里
2016-3-25 22:09:24
重启或添加节点：
$bin/hadoop-daemon.sh start datanode
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2016-3-25 22:09:31
Had the same problem with 2.6.0, and shamouda’s answer solved it (I was not using dfs.hosts at all so that …… 阅读全文
看到这里，http://arnon.me/2013/01/killin…
One of our team leaders approached me in the hall today and asked if I could land a hand in troubleshooting something. He and our QA lead were configuring one of our test Hadoop clusters after an upgrade and they had a problem with one table they we…… 阅读全文
之前写过一个，http://zrj.me/archives/888，不过现在是 2.5.2，东西不同了，安装方式有所变化。
说起来，主要以下几点：
安装 JDK
打通 SSH
停掉防火墙
配置 core-site.xml, maprd-site.xml, hdfs-site.xml，新增了一个 yarn-site.xml
参考这里的文章，http://blog.csdn.net/tang9140/…，http://blog.csdn.net…… 阅读全文