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Re: Hadoop - Browsefile system error - MapReduce - [mail # user]
...Hi,  Because you were are accessing name node through ip address not by domain name. may be you have some ip/domain resolver issue, can you please use ping by domain name/ip/hostname fr...
[+ more]    Author: Jitendra Yadav, 2013-09-16, 11:46
Re: hadoop cares about /etc/hosts ? - MapReduce - [mail # user]
...Hi,  So what you were expecting while pinging master?  As per my understanding it is working fine.Well there is no sense of using localhost and hostname on same ip, for localhost i...
[+ more]    Author: Jitendra Yadav, 2013-09-11, 08:03
Re: java.net.ConnectException when using Httpfs - MapReduce - [mail # user]
...Can you please share your /etc/hosts file?  Thanks Jitendra On Tue, Sep 3, 2013 at 4:53 PM, Visioner Sadak wrote:  ...
   Author: Jitendra Yadav, 2013-09-03, 12:03
Re: reduce job hung in pending state: "No room for reduce task" - MapReduce - [mail # user]
...Hi,  Did you checked the free disk space on server where your reducer task was running? because it need approx. 264gb free disk space to run(as per logs).  Thanks Jitendra On 8/30/...
   Author: Jitendra Yadav, 2013-08-30, 20:07
Re: metric type - MapReduce - [mail # user]
...Hi,  For IO/sec statisticsĀ IĀ think MutableCounterLongRate  and MutableCounterLong more useful than others and for xceiver thread number I'm not bit sure right now.  Thanks Jii...
[+ more]    Author: Jitendra Yadav, 2013-08-30, 19:42
Re: Hadoop HA error "JOURNAL is not supported in state standby" - MapReduce - [mail # user]
...Hi,  Totally agreed with Jing's reply,  I faced the same issue previously, At that time I was doing cluster upgrade. However I upgraded all the nodes but in one of my node hdfs bin...
   Author: Jitendra Yadav, 2013-08-30, 07:47
Re: HDFS Startup Failure due to dfs.namenode.rpc-address and Shared Edits Directory - MapReduce - [mail # user]
...Hi,  Please follow the HA configuration steps available at below link.  http://hadoop.apache.org/docs/r2.1.0-beta/hadoop-yarn/hadoop-yarn-site/HDFSHighAvailabilityWithQJM.html &nbs...
   Author: Jitendra Yadav, 2013-08-27, 15:53
Re: Hadoop Error in HA configuration Hadoop 2.0.5 - MapReduce - [mail # user]
...I'm not using QJM, although I have configured NFS shared edits option i.e " /u1_pool/namenode"  Thanks On 8/18/13, Azuryy Yu  wrote:...
[+ more]    Author: Jitendra Yadav, 2013-08-18, 06:34
Re: how to cache a remote hadoop file - MapReduce - [mail # user]
...I think Inmemory hadoop mechanism will full fill your requirement.  Thanks On Fri, Aug 16, 2013 at 2:21 PM, Visioner Sadak wrote:  ...
   Author: Jitendra Yadav, 2013-08-16, 08:56
Re: question about data block replicator number - MapReduce - [mail # user]
...Yup that's the responsibility of namenode to control under and over replicated blocks automatically, However you can you balancer script any time.  Thanks On Fri, Aug 16, 2013 at 2:09 P...
   Author: Jitendra Yadav, 2013-08-16, 08:49
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