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https://issues.apache.org/jira/browse/TEZ-3274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15300835#comment-15300835
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Jonathan Eagles edited comment on TEZ-3274 at 5/25/16 9:00 PM:
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[~bikassaha] is this issue better addressed under an existing jira? One of the
reasons this is important is when comparing Tez to MapReduce, tez jobs with
MRInput and shuffle input (for example replicated joins) will show high in some
cases.
was (Author: jeagles):
[~bikassaha] is this issue better addressed under an existing jira. One of the
reasons this is important is when comparing Tez to MapReduce, tez jobs with
mrinput and shuffle input (for example replicated joins) will show high in some
cases.
> Vertex with MRInput and shuffle input does not respect slow start
> -----------------------------------------------------------------
>
> Key: TEZ-3274
> URL: https://issues.apache.org/jira/browse/TEZ-3274
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
>
> Vertices with shuffle input and MRInput choose RootInputVertexManager (and
> not ShuffleVertexManager) and start containers and tasks immediately. In this
> scenario, resources can be wasted since they do not respect
> tez.shuffle-vertex-manager.min-src-fraction
> tez.shuffle-vertex-manager.max-src-fraction.
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