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https://issues.apache.org/jira/browse/HIVE-29420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denys Kuzmenko updated HIVE-29420:
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Affects Version/s: 4.2.0
> Hive ACID: Cleaner mishandles retries of killed compactions
> -----------------------------------------------------------
>
> Key: HIVE-29420
> URL: https://issues.apache.org/jira/browse/HIVE-29420
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 4.2.0
> Reporter: Denys Kuzmenko
> Priority: Major
>
> Compaction retries triggered by timeouts under an incorrect configuration
> pose a risk of data loss. If a compaction is re-attempted before the prior
> attempt has completed or been properly aborted, the Cleaner may observe
> multiple base directories with the same writeId and erroneously delete all of
> them.
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