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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2017/05/02 20:56:04 UTC

[jira] [Updated] (TEZ-3701) UnorderedPartitionedKVWriter - issues with parallel Deflater usage, synchronousqueue in threadpool

     [ https://issues.apache.org/jira/browse/TEZ-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated TEZ-3701:
--------------------------------
    Summary: UnorderedPartitionedKVWriter - issues with parallel Deflater usage, synchronousqueue in threadpool  (was: UnorderedPartitionedKVWriter does not wait for submitted tasks to finish before finalMerge.)

> UnorderedPartitionedKVWriter - issues with parallel Deflater usage, synchronousqueue in threadpool
> --------------------------------------------------------------------------------------------------
>
>                 Key: TEZ-3701
>                 URL: https://issues.apache.org/jira/browse/TEZ-3701
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Harish Jaiprakash
>            Assignee: Rajesh Balamohan
>            Priority: Blocker
>
> UnorderedPartitionedKVWriter add task to the executor, but does not wait for them to finish before starting the final merge. This can cause finalMerge to fail or write incorrect data.



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