Sergey Soldatov created PHOENIX-3149:
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Summary: Local index got corrupted if intermediate compaction
happen during the split.
Key: PHOENIX-3149
URL: https://issues.apache.org/jira/browse/PHOENIX-3149
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.8.0
Reporter: Sergey Soldatov
Assignee: Sergey Soldatov
The scenario is quite simple:
If we trigger split after index creation when we have a lot of HFiles not yet
compacted, the compaction may happen for part of those files and the scan type
will be COMPACT_RETAIN_DELETES, but not COMPACT_DROP_DELETES as we expect in
preCompactScannerOpen. In this case the regular scanner will be used during
compaction and we get incorrectly data in the local index. Discussed it with
[~enis] offline and it seems that the check for COMPACT_DROP_DELETES is not
necessary and can/should be deleted.
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