Vincent Poon created PHOENIX-4214:
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Summary: Scans which write should not block region split or close
Key: PHOENIX-4214
URL: https://issues.apache.org/jira/browse/PHOENIX-4214
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.12.0
Reporter: Vincent Poon
PHOENIX-3111 introduced a scan reference counter which is checked during region
preSplit and preClose. However, a steady stream of UPSERT SELECT or DELETE can
keep the count above 0 indefinitely, preventing or greatly delaying a region
split or close.
We should try to avoid starvation of the split / close request, and fail/reject
queries where appropriate.
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