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https://issues.apache.org/jira/browse/PHOENIX-7503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sanjeet Malhotra reassigned PHOENIX-7503:
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Assignee: Sanjeet Malhotra
> Enable compaction during flushes
> --------------------------------
>
> Key: PHOENIX-7503
> URL: https://issues.apache.org/jira/browse/PHOENIX-7503
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 5.2.1, 5.3.0
> Reporter: Sanjeet Malhotra
> Assignee: Sanjeet Malhotra
> Priority: Major
>
> PHOENIX-7402 removed compaction during flushes by removing override for
> preFlush hook. The reason for removing the compaction from running during
> flushes was retrieval of max lookback during preFlush hook execution.
> Accessing SYSCAT from preFlush hook was problematic. Alternative is we can
> store max lookback as a table attribute in HBase table and access that from
> inside preFlush hook.
> In our production, we saw an instance where rows in a table are getting
> updated very frequently and the rows were being updated partially so, due to
> lack of compaction during flushes a lot of unwanted versions are being
> retained during flushes and till first minor compaction.
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