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https://issues.apache.org/jira/browse/TEZ-3566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15813667#comment-15813667
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Siddharth Seth commented on TEZ-3566:
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+1. Thansk [~harishjp]. Committing.
> OOM because of too many DFSClient instances in
> TokenCache.obtainTokensForFileSystems
> ------------------------------------------------------------------------------------
>
> Key: TEZ-3566
> URL: https://issues.apache.org/jira/browse/TEZ-3566
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Harish Jaiprakash
> Assignee: Harish Jaiprakash
> Attachments: TEZ-3566.01.patch, TEZ-3566.02.patch, TEZ-3566.03.patch
>
>
> When FileSystem cache is disabled, invoking
> TokenCache.obtainTokensForFileSystems creates lot of FileSystem objects which
> are unique and stored in a hash set. This takes up lot of memory and causes
> OOM.
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