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https://issues.apache.org/jira/browse/HIVE-11702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977861#comment-14977861
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Navis commented on HIVE-11702:
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[~erickt] Added short path for getSchemas(null) in recent patch of HIVE-7575.
Didn't confirmed the effect.
> GetSchemas thrift call is slow on scale of 1000+ databases
> ----------------------------------------------------------
>
> Key: HIVE-11702
> URL: https://issues.apache.org/jira/browse/HIVE-11702
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 1.1.1
> Reporter: Jenny Kim
> Attachments: HIVE-11702.1.patch.txt
>
>
> Similar to https://issues.apache.org/jira/browse/HIVE-7575 GetSchemas also
> starts to degrade in latency starting at the order of 1000+ databases, which
> returned in about 30 seconds.
> However, SHOW DATABASES on the same Hive instance returns within a few
> seconds.
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