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From Rohith Sharma K S <rohithsharm...@huawei.com>
Subject RE: Change in fair-scheduler.xml
Date Wed, 15 Apr 2015 10:32:15 GMT
Hi


1 - Is there a document on what should be the default settings in the XML file for say 96
GB.. 48 core system with say 4/queues?
You can refer below the doc for configuring fair scheduler
http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/FairScheduler.html


2 - When we change the file does the yarn service need to be bounced for the changed values
to get reflected?
Yarn admin supports runtime refresh queues without restarting ResourceManager.  It can be
achieved by  using “$HADOOP_HOME/bin/yarn rmadmin –refreshQueues”  CLI command.


Thanks & Regards
Rohith Sharma K S

From: Manish Maheshwari [mailto:myloginid@gmail.com]
Sent: 15 April 2015 15:43
To: user@hadoop.apache.org
Subject: Change in fair-scheduler.xml


Hi, We are trying to change properties of fair scheduler settings.

1 - Is there a document on what should be the default settings in the XML file for say 96
GB.. 48 core system with say 4/queues?

2 - When we change the file does the yarn service need to be bounced for the changed values
to get reflected?

Thanks
Manish
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