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Posted to issues@drill.apache.org by "Sorabh Hamirwasia (JIRA)" <ji...@apache.org> on 2019/03/19 17:21:00 UTC
[jira] [Updated] (DRILL-7089) Implement caching of BaseMetadata
classes
[ https://issues.apache.org/jira/browse/DRILL-7089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sorabh Hamirwasia updated DRILL-7089:
-------------------------------------
Reviewer: Aman Sinha
> Implement caching of BaseMetadata classes
> -----------------------------------------
>
> Key: DRILL-7089
> URL: https://issues.apache.org/jira/browse/DRILL-7089
> Project: Apache Drill
> Issue Type: Sub-task
> Affects Versions: 1.16.0
> Reporter: Volodymyr Vysotskyi
> Assignee: Volodymyr Vysotskyi
> Priority: Major
> Fix For: 1.16.0
>
>
> In the scope of DRILL-6852 were introduced new classes for metadata usage. These classes may be reused in other GroupScan instances to preserve heap usage for the case when metadata is large.
> The idea is to store {{BaseMetadata}} inheritors in {{DrillTable}} and pass them to the {{GroupScan}}, so in the scope of the single query, it will be possible to reuse them.
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