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https://issues.apache.org/jira/browse/FLINK-6523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-6523.
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Resolution: Won't Do
No longer valid.
> Improve lifecycle management of created BlobCaches in TaskManagerLogHandler
> and JobClient
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-6523
> URL: https://issues.apache.org/jira/browse/FLINK-6523
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.3.0, 1.4.0
> Reporter: Till Rohrmann
> Priority: Major
>
> Some components like the {{JobClient#retrieveClassLoader}} and
> {{TaskManagerLogHandler}} create {{BlobCaches}} to retrieve data from the
> {{BlobServer}}. These instances are created in a local context and their
> lifecycle is not properly managed. The cleanup/closing solely relies on the
> fact that their storage directory will be cleaned up eventually by a
> registered shutdown hook.
> I think it would be better to properly implement a lifecycle management for
> these components and close them at an appropriate location in the code. E.g.
> one could pass in a shared {{BlobCache}} which is closed once the JobClient
> action is over.
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