[jira] [Created] (AMBARI-4943) Verify Tez configurations are according to recommended settings

["Srimanth Gunturi (JIRA)" <ji...@apache.org>]

Srimanth Gunturi created AMBARI-4943:
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             Summary: 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



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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