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Posted to issues@hive.apache.org by "Syed Shameerur Rahman (Jira)" <ji...@apache.org> on 2020/06/22 08:25:00 UTC
[jira] [Updated] (HIVE-23737) LLAP: Reuse dagDelete Feature Of Tez
Custom Shuffle Handler Instead Of LLAP's dagDelete
[ https://issues.apache.org/jira/browse/HIVE-23737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Syed Shameerur Rahman updated HIVE-23737:
-----------------------------------------
Environment: (was: *strong text*)
> LLAP: Reuse dagDelete Feature Of Tez Custom Shuffle Handler Instead Of LLAP's dagDelete
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-23737
> URL: https://issues.apache.org/jira/browse/HIVE-23737
> Project: Hive
> Issue Type: Improvement
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
>
> LLAP have a dagDelete feature added as part of HIVE-9911, But now that Tez have added support for dagDelete in custom shuffle handler (TEZ-3362) we could re-use that feature in LLAP.
> There are some added advantages of using Tez's dagDelete feature rather than the current LLAP's dagDelete feature.
> 1) We can easily extend this feature to accommodate the upcoming features such as vertex and failed task attempt shuffle data clean up. Refer TEZ-3363 and TEZ-4129
> 2) It will be more easier to maintain this feature by separating it out from the Hive's code path.
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