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Posted to dev@ambari.apache.org by "Srimanth Gunturi (JIRA)" <ji...@apache.org> on 2014/03/04 20:19:29 UTC
[jira] [Updated] (AMBARI-4943) Verify Tez configurations are
according to recommended settings
[ https://issues.apache.org/jira/browse/AMBARI-4943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Srimanth Gunturi updated AMBARI-4943:
-------------------------------------
Attachment: AMBARI-4943.patch
> Verify Tez configurations are according to recommended settings
> ---------------------------------------------------------------
>
> Key: AMBARI-4943
> URL: https://issues.apache.org/jira/browse/AMBARI-4943
> Project: Ambari
> Issue Type: Task
> Components: client
> Affects Versions: 1.5.0
> Reporter: Srimanth Gunturi
> Assignee: Srimanth Gunturi
> Fix For: 1.5.0
>
> Attachments: AMBARI-4943.patch
>
>
> Following TODOs might need to be looked at for smart config choices.
> {code}
> <property>
> <name>tez.lib.uris</name>
> <value>file:///usr/lib/tez/,file:///usr/lib/tez/lib/</value>
> <!-- TODO:Remove this value>${fs.default.name}/apps/tez/,${fs.default.name}/apps/tez/lib</value-->
> <description>The location of the Tez libraries which will be localized for DAGs</description>
> </property>
> {code}
> {code}
> <property>
> <name>tez.am.resource.memory.mb</name>
> <value>1536</value>
> <!-- TODO: Value needs to be set based on YARN configuration - similar to the way the MR AM size is set, 1.5 times the MR AM size -->
> <description>The amount of memory to be used by the AppMaster</description>
> </property>
> {code}
> {code}
> <property>
> <name>tez.am.java.opts</name>
> <value>-server -Xmx1024m -Djava.net.preferIPv4Stack=true -XX:+UseNUMA -XX:+UseParallelGC</value>
> <!-- TODO: Xmx value needs to be set based on tez.am.resource.memory.mb - typically at least 512MB less. Also this could have some additional hardware specific settings if Ambari supports it -->
> <description>Java options for the Tez AppMaster process</description>
> </property>
> {code}
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