[jira] [Work logged] (HIVE-22977) Merge delta files instead of running a query in major/minor compaction

Thu, 12 Jan 2023 01:59:03 -0800 


     [ 
https://issues.apache.org/jira/browse/HIVE-22977?focusedWorklogId=838807&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-838807
 ]

ASF GitHub Bot logged work on HIVE-22977:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Jan/23 09:58
            Start Date: 12/Jan/23 09:58
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3801:
URL: https://github.com/apache/hive/pull/3801#issuecomment-1380080462

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 838807)
    Time Spent: 4h 10m  (was: 4h)

> Merge delta files instead of running a query in major/minor compaction
> ----------------------------------------------------------------------
>
>                 Key: HIVE-22977
>                 URL: https://issues.apache.org/jira/browse/HIVE-22977
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: László Pintér
>            Assignee: Sourabh Badhya
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-22977.01.patch, HIVE-22977.02.patch
>
>          Time Spent: 4h 10m
>  Remaining Estimate: 0h
>
> [Compaction Optimiziation]
> We should analyse the possibility to move a delta file instead of running a 
> major/minor compaction query.
> Please consider the following use cases:
>  - full acid table but only insert queries were run. This means that no 
> delete delta directories were created. Is it possible to merge the delta 
> directory contents without running a compaction query?
>  - full acid table, initiating queries through the streaming API. If there 
> are no abort transactions during the streaming, is it possible to merge the 
> delta directory contents without running a compaction query?



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