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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/06/09 16:18:00 UTC
[jira] [Work logged] (HIVE-21213) Acid table bootstrap replication
needs to handle directory created by compaction with txn id
[ https://issues.apache.org/jira/browse/HIVE-21213?focusedWorklogId=442975&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-442975 ]
ASF GitHub Bot logged work on HIVE-21213:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jun/20 16:17
Start Date: 09/Jun/20 16:17
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #587:
URL: https://github.com/apache/hive/pull/587#issuecomment-641143683
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: 442975)
Time Spent: 2h 20m (was: 2h 10m)
> Acid table bootstrap replication needs to handle directory created by compaction with txn id
> --------------------------------------------------------------------------------------------
>
> Key: HIVE-21213
> URL: https://issues.apache.org/jira/browse/HIVE-21213
> Project: Hive
> Issue Type: Bug
> Components: Hive, HiveServer2, repl
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21213.01.patch, HIVE-21213.02.patch, HIVE-21213.03.patch, HIVE-21213.04.patch, HIVE-21213.05.patch
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> The current implementation of compaction uses the txn id in the directory name. This is used to isolate the queries from reading the directory until compaction has finished and to avoid the compactor marking used earlier. In case of replication, during bootstrap , directory is copied as it is with the same name from source to destination cluster. But the directory created by compaction with txn id can not be copied as the txn list at target may be different from source. The txn id which is valid at source may be an aborted txn at target. So conversion logic is required to create a new directory with valid txn at target and dump the data to the newly created directory.
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