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How to see total pending containers ? - Hadoop - [mail # user]
...Hi,Is there a way to see total pending containers in a cluster,so thatwe know how far behind we are with etl ?There is a "pending containers" field on the scheduler page under "dr. who"table...
   Author: Ashwin Shankar, 2014-06-27, 22:54
Why resource requests are normalized in RM ? - Hadoop - [mail # user]
...Hi,Anyone knows why resource requests from AMs are normalized tobe multiples of yarn.scheduler.minimum-allocation-mb which is 1Gby default ?Also is there any problem with reducing yarn.sched...
   Author: Ashwin Shankar, 2014-06-12, 00:53
assignMultiple and continuous scheduling in Fair scheduler - Hadoop - [mail # user]
...Hi,I see these two knobs in Fair scheduler - 'assignMultiple'and 'continuos scheduling'.1. Are there performance benefits using them ? What are the cons ?2. Also is there any problem with 'c...
   Author: Ashwin Shankar, 2014-04-30, 19:06
Re: Differences between HistoryServer and Yarn TimeLine server? - Hadoop - [mail # user]
...Thanks Zhijie !I had few more questions  :1. I played around with the timeline server ui today which showed thegeneric application history details,but I couldn't find any page for appli...
[+ more]    Author: Ashwin Shankar, 2014-04-25, 06:12
Re: Setting debug log level for individual daemons - Hadoop - [mail # user]
...Yes, thank you Stanley !AshwinOn Tue, Apr 15, 2014 at 8:01 PM, Stanley Shi  wrote:Thanks,Ashwin ...
[+ more]    Author: Ashwin Shankar, 2014-04-16, 17:54
Resetting dead datanodes list - Hadoop - [mail # user]
...Hi,Hadoop-1's name node UI displays dead datanodeseven if those instances are terminated and are not part of the clusteranymore.Is there a way to reset the dead datenode list without bouncin...
   Author: Ashwin Shankar, 2014-04-12, 03:31
Re: Job fails if I change HADOOP_USER_NAME - Hadoop - [mail # user]
...Hi Rohit,How I enable debug for AM container logs ? and to which location are theywritten to ?I tried changing log4j.prop and can see DEBUGs for RM,NM etc but I don'tsee AM related debug log...
[+ more]    Author: Ashwin Shankar, 2014-03-21, 22:10
[HADOOP-9582] Non-existent file to "hadoop fs -conf" doesn't throw error - Hadoop - [issue]
...When we run :hadoop fs -conf BAD_FILE -ls /we expect hadoop to throw an error,but it doesn't....
http://issues.apache.org/jira/browse/HADOOP-9582    Author: Ashwin Shankar, 2014-01-28, 23:37
[HADOOP-9581] hadoop --config non-existent directory should result in error - Hadoop - [issue]
...Courtesy : CW ChungProviding a non-existent config directory should result in error.$ hadoop dfs -ls /  : shows Hadoop DFS directory$ hadoop --config bad_config_dir dfs -ls : successful...
http://issues.apache.org/jira/browse/HADOOP-9581    Author: Ashwin Shankar, 2013-06-11, 15:07
Re: Non existent config file to 'fs -conf' - Hadoop - [mail # dev]
...Hi Harsh, Yes that would work. Thanks! I'll post the updated patch soon on JIRA.  Thanks, Ashwin  On 5/23/13 11:28 PM, "Harsh J"  wrote:  ...
[+ more]    Author: Ashwin Shankar, 2013-05-24, 15:57
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