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https://issues.apache.org/jira/browse/HIVE-19124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16441749#comment-16441749
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Sergey Shelukhin commented on HIVE-19124:
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Addressing table type and other characteristics and adding another test.
Also added a config setting.
I think what we eventually need is adding "insert overwrite directory compact"
command that will do the right thing for all of this... I left a todo in insert
overwrite directory path. Then, it can write the base in place for both ACID
and non ACID, via a query, as long as (1) it's done inside a txn (2) the insert
overwrite bug is fixed.
> 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-19124.01.patch, HIVE-19124.02.patch,
> HIVE-19124.03.patch, HIVE-19124.patch
>
>
> For now, it will run a query directly and only major compactions will be
> supported.
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