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https://issues.apache.org/jira/browse/TEZ-1318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14091472#comment-14091472
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Bikas Saha commented on TEZ-1318:
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I will update the javadocs further.
I will leave the 2048 for now as its a better fit for real clusters. There is a
way by which we can scale this which we can do in a follow up. TezClient can
use YARNClient to get the cluster info. Based on that it could scale up/down
parameters such as this one.
> Simplify Vertex constructor
> ---------------------------
>
> Key: TEZ-1318
> URL: https://issues.apache.org/jira/browse/TEZ-1318
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Siddharth Seth
> Assignee: Bikas Saha
> Priority: Blocker
> Attachments: TEZ-1318.1.patch
>
>
> In favor of picking a default specified in tez-site, with a potential
> fallback to the minimum allocation in YARN.
> Typically, this value is cluster specific at least for simple jobs. If more
> advanced users need to change this - it can be done via setters.
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