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How to force the replication ? - Hadoop - [mail # general]
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...Hi all I change the replication of file by using command : bin/hadoop setrep But when I use fsck to check the status of the file, it always shows that the one replica of this file is missing...
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Author: Jeff Zhang,
2010-06-07, 05:34
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Re: Setting up a second cluster and getting a weird issue - Hadoop - [mail # user]
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...It is not suggested to deploy hadoop on NFS, there will be conflict between data nodes, because NFS share the same namespace of file system. On Thu, May 13, 2010 at 9:52 PM, And...
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Author: Jeff Zhang,
2010-05-14, 01:51
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Re: How to recover hadoop cluster using SecondaryNameNode ? - Hadoop - [mail # user]
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...Allen, Do you mean HDFS-976 and HDFS-966 ? On Fri, May 14, 2010 at 1:32 AM, Allen Wittenauer wrote: have undergone any review outside of Facebook. :( &nb...
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Author: Jeff Zhang,
2010-05-14, 01:39
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How to recover hadoop cluster using SecondaryNameNode ? - Hadoop - [mail # user]
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...Hi all, I wonder is it enough for recovering hadoop cluster by just coping the meta data from SecondaryNameNode to the new master node ? Do I any need do any other stuffs ? Thanks for ...
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Author: Jeff Zhang,
2010-05-13, 09:01
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Re: Setting up a second cluster and getting a weird issue - Hadoop - [mail # user]
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...These 4 nodes share NFS ？ On Thu, May 13, 2010 at 8:19 AM, Andrew Nguyen wrote: ermittent errors on the DataNodes: Node: java.io.FileNotFoundException: /srv/hadoop/dfs/1/current...
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Author: Jeff Zhang,
2010-05-13, 02:40
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Re: submit multiple jobs simultaneously - Hadoop - [mail # user]
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...The returned object of JobClient.submitJob(JobConf job) is RunningJob. You can get the job status through this object. 2010/5/12 Gang Luo : counters, etc. How can I get th...
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Author: Jeff Zhang,
2010-05-12, 15:46
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Re: Questions about SequenceFiles - Hadoop - [mail # user]
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...I think this is a bug, writable object should have default no-argument constructor. On Tue, May 11, 2010 at 7:20 AM, Ananth Sarathy wrote: om onf); yClass()); ueClass()); ection...
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Author: Jeff Zhang,
2010-05-11, 14:31
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Re: Fully distribute TextInputFormat... - Hadoop - [mail # user]
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...What's the format of this file ? gzip can been split. On Mon, May 10, 2010 at 5:21 AM, Pierre ANCELOT wrote y ? Best Regards Jeff Zhang...
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Author: Jeff Zhang,
2010-05-10, 12:52
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Re: where job executed - Hadoop - [mail # user]
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...Do you mean where each task run ? You can look at the job tracker web ui where you can find each job's status and info. On Mon, May 10, 2010 at 3:16 AM, Alan Miller wro te...
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Author: Jeff Zhang,
2010-05-10, 01:06
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Re: Logging from the job - Hadoop - [mail # user]
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...you should use the log4j rather than the apache common logging On Tue, Apr 27, 2010 at 4:52 PM, Alexander Semenov wrote: Best Regards Jeff Zhang...
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Author: Jeff Zhang,
2010-04-27, 09:07
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