Chen Feng created PHOENIX-6012:
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Summary: make USE_OF_QUERY_GUIDE_POSTS configurable to improve
query performance.
Key: PHOENIX-6012
URL: https://issues.apache.org/jira/browse/PHOENIX-6012
Project: Phoenix
Issue Type: Improvement
Reporter: Chen Feng
Loading guide posts from SYSTEM.STATS can cost lots of time.
When we have knowledge of the data size covered by query scan, we can disable
the use of guide posts to improve query performance.
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