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https://issues.apache.org/jira/browse/HIVE-19124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429030#comment-16429030
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Sergey Shelukhin commented on HIVE-19124:
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Fixing initiator to not skip MM tables, addressing most of the other feedback.
Also making sure that compactor doesn't commit a new txn that writes to the
table, instead just like a regular compactor it commits by moving the directory
into place.
One thing that is not addressed is the parallel writer case, which is the same
issue as HIVE-18570.
Let me see if I can address it for compaction specifically...
> implement a basic major compactor for MM tables
> -----------------------------------------------
>
> Key: HIVE-19124
> URL: https://issues.apache.org/jira/browse/HIVE-19124
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Labels: mm-gap-2
> Attachments: HIVE-19014.01.patch, HIVE-19124.patch
>
>
> For now, it will run a query directly and only major compactions will be
> supported.
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