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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2015/06/18 01:46:00 UTC

[jira] [Updated] (TEZ-2565) Consider scanning unfinished tasks in VertexImpl::constructStatistics to reduce merge overhead

     [ https://issues.apache.org/jira/browse/TEZ-2565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajesh Balamohan updated TEZ-2565:
----------------------------------
    Issue Type: Improvement  (was: Bug)

> Consider scanning unfinished tasks in VertexImpl::constructStatistics to reduce merge overhead
> ----------------------------------------------------------------------------------------------
>
>                 Key: TEZ-2565
>                 URL: https://issues.apache.org/jira/browse/TEZ-2565
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>
> constructStatistics() can be an overhead (scanning all tasks and merging stats) depending on the number of invocations to Vertex::getStatistics().  Consider scanning only unfinished tasks.



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