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https://issues.apache.org/jira/browse/KUDU-859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Henke updated KUDU-859:
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Target Version/s: (was: 1.5.0)
> Actively remove data and deltas for deleted columns
> ---------------------------------------------------
>
> Key: KUDU-859
> URL: https://issues.apache.org/jira/browse/KUDU-859
> Project: Kudu
> Issue Type: Improvement
> Components: tablet
> Affects Versions: Private Beta
> Reporter: Todd Lipcon
> Priority: Major
>
> Currently, we only remove data blocks for deleted columns when we run a
> compaction. If a table is already fully compacted, this won't happen at all.
> In most cases, it will happen very slowly.
> We should add some kind of in-the-background operation which removes the
> CFiles corresponding to deleted columns, and modify the delta compaction code
> paths to actually drop delta data for deleted columns.
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