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https://issues.apache.org/jira/browse/HCATALOG-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423579#comment-13423579
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Rohini Palaniswamy commented on HCATALOG-370:
---------------------------------------------
Thanks Rajesh. We discussed it and Arup already has those in. He will be
uploading a patch soon. If you want a early peek the main cache class code is
at https://gist.github.com/3184582. Comments are welcome.
> Create a HiveMetaStoreClient cache in hcatalog
> ----------------------------------------------
>
> Key: HCATALOG-370
> URL: https://issues.apache.org/jira/browse/HCATALOG-370
> Project: HCatalog
> Issue Type: Improvement
> Components: client
> Affects Versions: 0.4
> Reporter: Rohini Palaniswamy
> Assignee: Arup Malakar
> Priority: Minor
> Attachments: J370.patch
>
>
> Hcat makes multiple calls to hivemetastore client and every time the
> connection is setup and destroyed which is costly. It would be nice to have a
> centralized cache, that has a connection per unique identifier (ugi,hcat
> server uri and anything else mandatory). Instead of creating clients all over
> the code, it can be retrieved from this cache. Connections in the cache can
> be closed using WeakReference and ReferenceQueue or based on some time
> interval.
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