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Re: How to set the max mappers per node on a per-job basis? - Hadoop - [mail # user]
...This has been discussed in past. There is no current dynamic way tocontrol the parallel execution on a per-node basis.Scheduler configurations will let you control overall parallelism (#of s...
   Author: Harsh J, 2014-05-31, 03:50
Re: Problem with simple-yarn-app - Hadoop - [mail # user]
...The version of hadoop you've compiled it with and the version ofhadoop you are running it against are likely different, and is thereason behind this (cause of method signature changes having...
   Author: Harsh J, 2014-05-30, 18:46
Re: listing a 530k files directory - Hadoop - [mail # user]
...The HADOOP_OPTS gets overriden by HADOOP_CLIENT_OPTS for FsShellutilities. The right way to extend is to use HADOOP_CLIENT_OPTSinstead, for FsShell and other client applications such as "had...
   Author: Harsh J, 2014-05-30, 18:43
Re: Can not find hadoop packages - Hadoop - [mail # user]
...A homebrew user!You can rely on the hadoop script to generate a usable runtime andcompile time classpath for you. So just do it as below (assuming'hadoop' as a command is on your $PATH alrea...
   Author: Harsh J, 2014-05-29, 11:34
[expand - 1 more] - Re: fuse-dfs on hadoop-2.2.0 - Hadoop - [mail # user]
...I forgot to send this earlier, but here's an answer with added linksthat may help: http://stackoverflow.com/a/21655102/1660002On Sat, May 17, 2014 at 9:54 AM, Harsh J  wrote:Harsh J&nbs...
   Author: Harsh J, 2014-05-27, 09:52
Re: question on yarn and fairscheduler - Hadoop - [mail # user]
...Hello,YARN's FairScheduler does not have maxMaps/maxReducers fields like itsMR1 counterpart did, given YARN's generic Container basedarchitecture. Please seehttp://archive.cloudera.com/cdh5/...
   Author: Harsh J, 2014-05-20, 07:33
Re: about hadoop upgrade - Hadoop - [mail # user]
...Backing up one of them is sufficient, but do check if both theircontents are same and backup the more recent one (a mount may lagbehind if it had a failure earlier, for ex.).On Mon, May 19, ...
   Author: Harsh J, 2014-05-19, 10:22
Re: hadoop 2.2.0 nodemanager graceful stop - Hadoop - [mail # user]
...There is no way to do a graceful stop presently. You can followhttps://issues.apache.org/jira/browse/YARN-914 for tracking this featurerequest.That said, a simple restart that does cause con...
   Author: Harsh J, 2014-05-19, 09:26
Re: where to put log4j.properties for logging out of MR job? - Hadoop - [mail # user]
...Task JVMs in MR run with their own TaskLogAppender-configuredtask-log4j.properties file. This is not overridable or configurablecurrently.Your best approach at the moment would be to configu...
   Author: Harsh J, 2014-05-19, 09:18
Re: Running the job history server locally - Hadoop - [mail # user]
...You can run it via the script "mr-jobhistory-daemon.sh starthistoryserver", or in foreground via "mapred historyserver".On Sat, May 17, 2014 at 5:18 AM, Software Dev  wrote:Harsh J ...
   Author: Harsh J, 2014-05-17, 05:28
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