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https://issues.apache.org/jira/browse/DRILL-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aditya Kishore updated DRILL-1346:
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Attachment: 0001-DRILL-1346-Use-HBase-table-size-information-to-impro.patch
Patch also available at https://reviews.apache.org/r/25190/ for review.
> 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
> Attachments:
> 0001-DRILL-1346-Use-HBase-table-size-information-to-impro.patch
>
>
> 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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