[jira] [Created] (ARROW-4147) [JAVA] Reduce heap usage for variable width vectors

[Pindikura Ravindra (JIRA)]

Pindikura Ravindra created ARROW-4147:
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             Summary: [JAVA] Reduce heap usage for variable width vectors
                 Key: ARROW-4147
                 URL: https://issues.apache.org/jira/browse/ARROW-4147
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java
            Reporter: Pindikura Ravindra
            Assignee: Pindikura Ravindra


This is a follow up to ARROW-1807. The same changes need to be done for 
variable len vectors too.

Also, the default value for initial allocations (4096) causes a lot of wastage, 
and needs to be changed (to 3970).



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