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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-21213) Acid table bootstrap replication needs to handle directory created by compaction with txn id
Date Tue, 09 Jun 2020 16:18:00 GMT

     [ 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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