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https://issues.apache.org/jira/browse/TEZ-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14045066#comment-14045066
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Hitesh Shah commented on TEZ-699:
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The only gotcha that I will call out is that the code only checks for Xmx and
not Xms. If only Xms is set, the framework will override it in favor of the
computed settings.
> Have sensible defaults for java opts
> ------------------------------------
>
> Key: TEZ-699
> URL: https://issues.apache.org/jira/browse/TEZ-699
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Hitesh Shah
> Attachments: TEZ-699.1.patch
>
>
> Its a burden to have to specify them all the time. API's already exist if
> users want to set special values. Also, for vertex memory would be good to
> have a TezUtils.getDefaultVertexResource() with a sensible resource size.
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