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https://issues.apache.org/jira/browse/KUDU-236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15183816#comment-15183816
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Todd Lipcon commented on KUDU-236:
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Do we also deny any scanners from reading at a snapshot older than the AHM?

> GC tablet history
> -----------------
>
>                 Key: KUDU-236
>                 URL: https://issues.apache.org/jira/browse/KUDU-236
>             Project: Kudu
>          Issue Type: New Feature
>          Components: tablet
>    Affects Versions: M3
>            Reporter: David Alves
>            Assignee: Mike Percy
>            Priority: Blocker
>
> Now that UNDOs are in we need to garbage collect row history somehow. Right 
> now we're keeping everything forever



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