Istvan Toth created PHOENIX-6965:
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Summary: UngroupedAggregateRegionScanner.insertEmptyKeyValue()
generates too many cells
Key: PHOENIX-6965
URL: https://issues.apache.org/jira/browse/PHOENIX-6965
Project: Phoenix
Issue Type: Bug
Components: core
Affects Versions: 5.1.3, 5.2.0
Reporter: Istvan Toth
Assignee: Istvan Toth
UngroupedAggregateRegionScanner.insertEmptyKeyValue() is supposed to generate
one empty cell for each timestmap.
However, it never adds the generated timestamp to the controll map, and
generated an empty cell for each existing cell.
IIRC, these are all set to the the RS an d to WAL, and are only consolidated in
the memstore, leading to a lot of wasted cpu, memory, io, and network resources.
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