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https://issues.apache.org/jira/browse/TEZ-2710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14693852#comment-14693852
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Siddharth Seth commented on TEZ-2710:
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[~hitesh] - I'm not sure the framework config (for the AM / tasks) should be
provided to individual IPOs for augmentation. The payloads should be
sufficient, and can be setup with parameters at the client itself. If there's
some dynamic framework info to be provided, an explicit API may be better.
Also TEZ-2620. If the processor can request memory, potentially with a flag
saying do not scale - that should provide a mechanism to configure the
Processor's memory requirements.
> TEZ_TASK_SCALE_MEMORY_RESERVE_FRACTION should be configurable at vertex level
> -----------------------------------------------------------------------------
>
> Key: TEZ-2710
> URL: https://issues.apache.org/jira/browse/TEZ-2710
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rohini Palaniswamy
>
> Was trying to set TezConfiguration.TEZ_TASK_SCALE_MEMORY_RESERVE_FRACTION
> used by WeightedScalingMemoryDistributor at vertex level. But it failed with
> "tez.task.scale.memory.reserve-fraction is set at the scope of VERTEX, but it
> is only valid in the scope of AM"
> Even otherwise [~sseth] was telling me that vertex.setConf() does not work
> as it is supposed to and not taken into account with container reuse.
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