Aditya Kishore created DRILL-1346:
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Summary: Use HBase table size information to improve scan
parallelization
Key: DRILL-1346
URL: https://issues.apache.org/jira/browse/DRILL-1346
Project: Apache Drill
Issue Type: Improvement
Components: Storage - HBase
Affects Versions: 0.5.0
Reporter: Aditya Kishore
Assignee: Aditya Kishore
Priority: Critical
Currently we use a pseudo-estimated value to calculate the scan size which does
not take the actual size of data into account.
HBase, through {{o.a.h.h.client.HBaseAdmin.getClusterStatus()}}, provides a way
to retrieve the actual data size of each region. We can use this to approximate
the size of scan and use it to improve the scan parallelization.
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