kumar vishal created CARBONDATA-3321:
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Summary: Improve Single/Concurrent query performance
Key: CARBONDATA-3321
URL: https://issues.apache.org/jira/browse/CARBONDATA-3321
Project: CarbonData
Issue Type: Improvement
Reporter: kumar vishal
When number of Segments are high Single/Concurrent query is slow. because of
below reason
# Memory footprint is more because of this gc is more and reducing query
performance
# Converting to Unsafe data map row to safe data map during pruning
# Multi threaded pruning in case of non filter query is not supported
# Retrieval from unsafe data map row is slower
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