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From "Srimanth Gunturi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-4943) Verify Tez configurations are according to recommended settings
Date Tue, 04 Mar 2014 19:19:29 GMT

     [ 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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