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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/03 13:31:00 UTC
[jira] [Work logged] (HIVE-24275) Configurations to delay the
deletion of obsolete files by the Cleaner
[ https://issues.apache.org/jira/browse/HIVE-24275?focusedWorklogId=506650&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-506650 ]
ASF GitHub Bot logged work on HIVE-24275:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Nov/20 13:30
Start Date: 03/Nov/20 13:30
Worklog Time Spent: 10m
Work Description: pvargacl commented on pull request #1644:
URL: https://github.com/apache/hive/pull/1644#issuecomment-720982693
@pvary @kishendas @klcopp can I ask you for a review, thanks
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Issue Time Tracking
-------------------
Worklog Id: (was: 506650)
Time Spent: 1h 20m (was: 1h 10m)
> Configurations to delay the deletion of obsolete files by the Cleaner
> ---------------------------------------------------------------------
>
> Key: HIVE-24275
> URL: https://issues.apache.org/jira/browse/HIVE-24275
> Project: Hive
> Issue Type: New Feature
> Reporter: Kishen Das
> Assignee: Peter Varga
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Whenever compaction happens, the cleaner immediately deletes older obsolete files. In certain cases it would be beneficial to retain these for certain period. For example : if you are serving the file metadata from cache and don't want to invalidate the cache during compaction because of performance reasons.
> For this purpose we should introduce a configuration hive.compactor.delayed.cleanup.enabled, which if enabled will delay the cleaning up obsolete files. There should be a separate configuration CLEANER_RETENTION_TIME to specify the duration till which we should retain these older obsolete files.
> It might be beneficial to have one more configuration to decide whether to retain files involved in an aborted transaction hive.compactor.aborted.txn.delayed.cleanup.enabled .
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