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https://issues.apache.org/jira/browse/HBASE-2399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Gray updated HBASE-2399:
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Fix Version/s: (was: 0.90.0)
0.92.0
Punting to 0.92 for now
> Forced splits only act on the first family in a table
> -----------------------------------------------------
>
> Key: HBASE-2399
> URL: https://issues.apache.org/jira/browse/HBASE-2399
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.20.3
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-2399-test-v1.patch
>
>
> While working on a patch for HBASE-2375, I came across a few bugs in the
> existing code related to splits.
> If a user triggers a manual split, it flips a forceSplit boolean to true and
> then triggers a compaction (this is very similar to my current implementation
> for HBASE-2375). However, the forceSplit boolean is flipped back to false at
> the beginning of Store.compact(). So the force split only acts on the first
> family in the table. If that Store is not splittable for some reason (it is
> empty or has only one row), then the entire region will not be split,
> regardless of what is in other families.
> Even if there is data in the first family, the midKey is determined based
> solely on that family. If it has two rows and the next family has 1M rows,
> we pick the split key based on the two rows.
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