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https://issues.apache.org/jira/browse/LENS-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308588#comment-14308588
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Amareshwari Sriramadasu commented on LENS-273:
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bq. the lock might be held almost for a similar time even with a increased
block size, as long as the locking scope includes file::close()
Holding lock for close should not cause any issue because we are changing the
lock to be separate from class level lock.
The concern that [~himanshu.gahlaut] expressed is for writing into output
stream itself getting blocked, because writing in output stream is done by
individual services and the services might be locking other objects during
write.
> Persisting server state should not lock LensServices
> ----------------------------------------------------
>
> Key: LENS-273
> URL: https://issues.apache.org/jira/browse/LENS-273
> Project: Apache Lens
> Issue Type: Bug
> Components: server
> Reporter: Amareshwari Sriramadasu
> Priority: Critical
> Fix For: 2.1
>
>
> We are seeing issues when writing to HDFS which locked LensServices, the
> requests on Lens are waiting to lock LensServices again.
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