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Re: Why my tests shows Yarn is worse than MRv1 for terasort? - Hadoop - [mail # user]
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...Sam, I think your cluster is too small for any meaningful conclusions to be made. Sent from a remote device. Please excuse any typos... Mike Segel On Jun 18, 2013, at 3:58...
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Author: Michel Segel,
2013-06-18, 10:11
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Re: 600s timeout during copy phase of job - Hadoop - [mail # user]
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...That doesn't make sense... Try introducing a combiner step. Sent from a remote device. Please excuse any typos... Mike Segel On May 13, 2013, at 3:30 AM, shash...
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Author: Michel Segel,
2013-05-13, 11:46
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Re: Using FairScheduler to limit # of tasks - Hadoop - [mail # user]
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...Using fair scheduler or capacity scheduler, you are creating a queue that is being applied to the cluster. Having said that, you can limit who uses the special queue as well as s...
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Author: Michel Segel,
2013-05-13, 11:45
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Re: M/R job to a cluster? - Hadoop - [mail # user]
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...This is one of the reasons we set up edge nodes in the cluster. This is a node where Hadoop is loaded yet none of the Hadoop services are running . This allows jobs to automatically pick up ...
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Author: Michel Segel,
2013-04-29, 13:58
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Re: S3N copy creating recursive folders - Hadoop - [mail # user]
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...Have you tried using distcp? Sent from a remote device. Please excuse any typos... Mike Segel On Mar 5, 2013, at 8:37 AM, Subroto wrote: ...
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Author: Michel Segel,
2013-03-06, 10:12
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Re: Transpose - Hadoop - [mail # user]
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...Sandy, Remember KISS. Don't try to read it in as anything but just a text line. Its really a 3x3 matrix in what looks to be grouped by columns. Your output will drop ...
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Author: Michel Segel,
2013-03-06, 10:11
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Re: Execution handover in map/reduce pipeline - Hadoop - [mail # user]
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...RTFM? Yes you can do this. See Oozie. When you have a cryptic name, you get a cryptic answer. Sent from a remote device. Please excuse any typos... Mike Segel &...
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Author: Michel Segel,
2013-03-06, 10:04
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Re: Maximum Storage size in a Single datanode - Hadoop - [mail # user]
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...Can you say Centos? Sent from a remote device. Please excuse any typos... Mike Segel On Jan 30, 2013, at 4:21 AM, Jean-Marc Spaggiari wrote: ...
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Author: Michel Segel,
2013-01-30, 13:38
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Re: Multiuser setup on Hive - Hadoop - [mail # user]
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...User 2 has the permission to delete database2 because he created it. Did the OP mean that user1 can delete it? If so there are permissions that would prevent that. Sent from a r...
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Author: Michel Segel,
2012-11-22, 10:08
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Re: DN cannot talk to NN using Kerberos on secured hdfs - Hadoop - [mail # user]
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...That should be a bug. All host names should be case insensitive. Sent from a remote device. Please excuse any typos... Mike Segel On Sep 12, 2012, at 12:25 PM, Vinod Kumar...
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Author: Michel Segel,
2012-09-17, 03:28
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