Samarth Jain created PHOENIX-1871:
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Summary: Optimize Union All by fetching in parallel batches of
records for *all* the underlying scanners
Key: PHOENIX-1871
URL: https://issues.apache.org/jira/browse/PHOENIX-1871
Project: Phoenix
Issue Type: Improvement
Reporter: Samarth Jain-- This message was sent by Atlassian JIRA (v6.3.4#6332)
