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https://issues.apache.org/jira/browse/DRILL-6552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16629026#comment-16629026
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Vitalii Diravka edited comment on DRILL-6552 at 11/13/18 8:48 PM:
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The Functional specification is added.
cc: [~Paul.Rogers] [~okalinin] [~gparai] [~weijie]
was (Author: vitalii):
The [Functional
specification|https://docs.google.com/document/d/10CkLdrlUJUNRrHKLeo8jTUJB8xAP1D0byTOvn8wNoF0/edit?usp=sharing]
is added.
cc: [~Paul.Rogers] [~okalinin] [~gparai] [~weijie]
> Drill Metadata management "Drill MetaStore"
> -------------------------------------------
>
> Key: DRILL-6552
> URL: https://issues.apache.org/jira/browse/DRILL-6552
> Project: Apache Drill
> Issue Type: New Feature
> Components: Metadata
> Affects Versions: 1.13.0
> Reporter: Vitalii Diravka
> Assignee: Vitalii Diravka
> Priority: Major
> Fix For: 2.0.0
>
>
> It would be useful for Drill to have some sort of metastore which would
> enable Drill to remember previously defined schemata so Drill doesn’t have to
> do the same work over and over again.
> It allows to store schema and statistics, which will allow to accelerate
> queries validation, planning and execution time. Also it increases stability
> of Drill and allows to avoid different kind if issues: "schema change
> Exceptions", "limit 0" optimization and so on.
> One of the main candidates is Hive Metastore.
> Starting from 3.0 version Hive Metastore can be the separate service from
> Hive server:
> [https://cwiki.apache.org/confluence/display/Hive/AdminManual+Metastore+3.0+Administration]
> Optional enhancement is storing Drill's profiles, UDFs, plugins configs in
> some kind of metastore as well.
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