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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/06/09 15:49:00 UTC
[jira] [Work logged] (HIVE-21841) Leader election in HMS to run
housekeeping tasks.
[ https://issues.apache.org/jira/browse/HIVE-21841?focusedWorklogId=442694&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-442694 ]
ASF GitHub Bot logged work on HIVE-21841:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jun/20 15:48
Start Date: 09/Jun/20 15:48
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #668:
URL: https://github.com/apache/hive/pull/668#issuecomment-640955859
This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.
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Issue Time Tracking
-------------------
Worklog Id: (was: 442694)
Time Spent: 3h 40m (was: 3.5h)
> Leader election in HMS to run housekeeping tasks.
> -------------------------------------------------
>
> Key: HIVE-21841
> URL: https://issues.apache.org/jira/browse/HIVE-21841
> Project: Hive
> Issue Type: New Feature
> Affects Versions: 4.0.0
> Reporter: Ashutosh Bapat
> Assignee: Ashutosh Bapat
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Attachments: HIVE-21841.01.patch, HIVE-21841.02.patch, HIVE-21841.04.patch, HIVE-21841.05.patch, HIVE-21841.06.patch, HIVE-21841.07.patch, HIVE-21841.08.patch, HIVE-21841.09.patch
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> HMS performs housekeeping tasks. When there are multiple HMSes we need to have a leader HMS elected which will carry out those housekeeping tasks.
> These tasks include execution of compaction tasks, auto-discovering partitions for external tables, generation of compaction tasks, repl thread etc.
> Note that, though the code for compaction tasks, auto-discovery of partitions etc. is in Hive, the actual tasks are initiated by an HMS configured to do so. So, leader election is required only for HMS and not for HS2.
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