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https://issues.apache.org/jira/browse/FLINK-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14324045#comment-14324045
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Stephan Ewen commented on FLINK-1564:
-------------------------------------
This is currently not happening, since the LibraryCache guards its requests
with an exclusive lock.
> Make sure BLOB client downloads files only once
> -----------------------------------------------
>
> Key: FLINK-1564
> URL: https://issues.apache.org/jira/browse/FLINK-1564
> Project: Flink
> Issue Type: Bug
> Components: Distributed Runtime
> Affects Versions: 0.8, 0.9
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Minor
> Fix For: 0.8, 0.9
>
>
> Currently, the BLOB manager may download files multiple times, if concurrent
> requests are issued. We should prevent that.
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