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Re: IOException  in TaskRunner (Error Code :134) - Hadoop - [mail # user]
...It is a "not enough information" error.  Check the tasks, jobtracker, tasktracker, datanode, and namenode logs.  On Sep 21, 2010, at 12:30 PM, C.V.Krishnakumar wrote:  very ti...
   Author: Allen Wittenauer, 2010-09-21, 19:54
Re: why DFSClient.BlockReader doesnot support seek(long) can I use skip() instead? - Hadoop - [mail # dev]
...On Sep 19, 2010, at 7:57 PM, steven zhuang wrote:   You'll likely have more luck on hdfs-dev.   In other words, using Hadoop against recommended best practices. :)     A...
   Author: Allen Wittenauer, 2010-09-20, 17:10
Re: How to recover a namenode? - Hadoop - [mail # user]
...On Sep 17, 2010, at 1:36 AM, ChingShen wrote:    In my continuing streak of writing content for the wiki, I just filled in a  page we've apparently had empty for a while now: ...
   Author: Allen Wittenauer, 2010-09-17, 15:59
Re: Number of Mappers Running Simultaneously - Hadoop - [mail # user]
...On Sep 16, 2010, at 10:54 PM, Amogh Vasekar wrote: is to allocate more memory to each of your mapper so it occupies more than  one slot. If a slot is free, a task will be scheduled on i...
   Author: Allen Wittenauer, 2010-09-17, 15:33
Re: Question on classpath - Hadoop - [mail # user]
...On Sep 10, 2010, at 11:53 AM, Mark wrote:   shouldn't those jars be in the classpath and available to all nodes?  Are you using distributed cache?...
   Author: Allen Wittenauer, 2010-09-10, 19:03
Re: Stopping jobs - Hadoop - [mail # user]
...On Sep 9, 2010, at 3:15 PM, Mark wrote:   http://wiki.apache.org/hadoop/FAQ#A32...
   Author: Allen Wittenauer, 2010-09-09, 22:30
Re: rebalance multiple volumes on a single datanode? - Hadoop - [mail # user]
...On Sep 9, 2010, at 10:13 AM, jiang licht wrote:  n a data node, what is the best way to balance their disk usage? hion. Most time, it reaches a balance status. But if you add/remove dis...
   Author: Allen Wittenauer, 2010-09-09, 17:21
Re: DisallowedDatanodeException - Hadoop - [mail # user]
...On Sep 8, 2010, at 10:00 AM, Harsh J wrote:   No it doesn't.  The slaves file is only used by the start commands.  The hosts file is the proper place for it.  Chances are...
   Author: Allen Wittenauer, 2010-09-08, 21:39
Re: apache commons configuration - Hadoop - [mail # general]
...On Sep 2, 2010, at 11:53 AM, Bob Li wrote:  al   Config problems like this seem to usually be traced back to broken XML form atting prior to this entry or the property being in the...
   Author: Allen Wittenauer, 2010-09-02, 19:03
Re: accounts permission on hadoop - Hadoop - [mail # user]
...On Sep 1, 2010, at 9:08 AM, Todd Lipcon wrote:   Yes, but only like 3 people use that stuff presently.  Trunk=unicorns and ponies....
2 emails [+ more]    Author: Allen Wittenauer, 2010-09-01, 17:20
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