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https://issues.apache.org/jira/browse/LENS-201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14286932#comment-14286932
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Amareshwari Sriramadasu commented on LENS-201:
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I agree with [~jothi], let us not add any new api to clear cache.  Let us move 
CubeMetastoreClient to server module and make it package private.

> Add a resource method to clear metastore cache in lens server. 
> ---------------------------------------------------------------
>
>                 Key: LENS-201
>                 URL: https://issues.apache.org/jira/browse/LENS-201
>             Project: Apache Lens
>          Issue Type: Bug
>            Reporter: Rajat Khandelwal
>            Assignee: Rajat Khandelwal
>
> lens server is caching the metastore, so if you make some changes in the 
> metastore(like schema changes, expression changes etc.), they are not 
> reflected in any of the open sessions until the server is restarted (or the 
> cache expires, but right now I don't know if/when that happens). 



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