Istvan Toth created PHOENIX-6645:
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Summary: Remove unneccessary SCN related properties from SYSTEM
tables on upgrade
Key: PHOENIX-6645
URL: https://issues.apache.org/jira/browse/PHOENIX-6645
Project: Phoenix
Issue Type: Bug
Components: core
Affects Versions: 5.2.0
Reporter: Istvan Toth
Before PHOENIX-4575, we used to create all SYSTEM tables with the
KEEP_DELETED_CELLS and VERSIONS attribute set.
PHOENIX-4575 removes this flags from tables where it doesn't make sense,
especially SYSTEM.STATS, but this is not done automatically when upgrading.
Having KEEP_DELETED_CELLS set on SYSTEM.STATS is a major performance problem,
so we should fix the table properties on upgrade.
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