kumar vishal created CARBONDATA-3113:
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Summary: Fixed Local Dictionary Query Performance and Added
reusable buffer for direct flow
Key: CARBONDATA-3113
URL: https://issues.apache.org/jira/browse/CARBONDATA-3113
Project: CarbonData
Issue Type: Improvement
Reporter: kumar vishal
Assignee: kumar vishal
1. Added reusable buffer for direct flow
In query for each page each column it is creating a byte array, when number of
columns are high it is causing lots of minor gc and degrading query
performance, as each page is getting uncompressed one by one we can use same
buffer for all the columns and based on requested size it will resize.
2. Fixed Local Dictionary performance issue.
Reverted back #2895 and fixed NPE issue by setting null for local dictionary to
vector In safe and Unsafe VariableLengthDataChunkStore
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