[jira] [Commented] (HIVE-23737) LLAP: Reuse dagDelete Feature Of Tez Custom Shuffle Handler Instead Of LLAP's dagDelete

["Syed Shameerur Rahman (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-23737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17149309#comment-17149309 ] 

Syed Shameerur Rahman commented on HIVE-23737:
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HIVE-23737.01.patch is the first cut WIP patch. Need to add tests around the feature and do some clean up of old code. 
[~rajesh.balamohan] [~prasanth_j] [~gopalv] Could you guys please share your thoughts on the this initial patch.

> 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
>          Components: llap
>            Reporter: Syed Shameerur Rahman
>            Assignee: Syed Shameerur Rahman
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-23737.01.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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