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[expand - 1 more] - Re: one node restart - MapReduce - [mail # user]
...I mean after rebooting the node,will it be possible added to jobtracker automatically ? or I have to start the service?   2013/12/27 Serge Blazhievsky    ...
   Author: Geelong Yao, 2013-12-27, 04:44
[expand - 1 more] - Re: issue when using HDFS - MapReduce - [mail # user]
...Hi  I check the jps command on namenode: 8426 ResourceManager 23861 Jps 23356 SecondaryNameNode 23029 NameNode  datanode: 25104 NodeManager 25408 Jps  Obviously the datanode w...
   Author: Geelong Yao, 2013-12-17, 09:28
Re: Would it be possible to install two version of Hadoop on the same cluster? - MapReduce - [mail # user]
...Hi Chris  You are correct. When I am testing the performance of version A, I would shut-down the version B But I do not know whether I could install two version of hadoop at the same cl...
   Author: Geelong Yao, 2013-12-12, 11:42
two version on the same cluster? - MapReduce - [mail # user]
...Hi Everyone   Would it be possible to install two version of Hadoop on the same cluster?and running at the same time? I have installed CDH4 on my cluster,but for the test requirements w...
   Author: Geelong Yao, 2013-12-12, 01:38
Re: Issue with running my first hadoop program using eclipse - MapReduce - [mail # user]
...I think the main problem maybe the permission of your tmp directory.   2013/5/10 Ramya S      ...
   Author: Geelong Yao, 2013-05-10, 10:57
Re: How can I add a new hard disk in an existing HDFS cluster? - MapReduce - [mail # user]
...you can change the setting of data.dfs.dir in hdfs-site.xml if your version is 1.x          data.dfs.dir         /usr/hadoop/tmp/dfs/data, /dev/v...
   Author: Geelong Yao, 2013-05-03, 08:14
[expand - 1 more] - Re: Need help for hadoop - MapReduce - [mail # user]
...Thank for your reply. 1.For the first issue, I think this is mainly caused by missing jar in hadoop lib. I am confused about the data.dfs.dir with more than one values: /usr/hadoop/tmp/dfs/d...
   Author: Geelong Yao, 2013-04-23, 15:44
Re: Error about MR task when running 2T data - MapReduce - [mail # user]
...I have set two disk available for tem file, one is /usr another is /sda But I found the first /usr is full while /sda has not been used. Why would this hadppen ? especially when the first pa...
   Author: Geelong Yao, 2013-04-23, 08:02
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