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https://issues.apache.org/jira/browse/HDFS-1573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13033464#comment-13033464
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Todd Lipcon commented on HDFS-1573:
-----------------------------------
LeaseChecker is now called LeaseRenewer, but now the thread name is even less
descriptive. It should contain the client name, the NN, and the UGI.
> LeaseChecker thread name trace not that useful
> ----------------------------------------------
>
> Key: HDFS-1573
> URL: https://issues.apache.org/jira/browse/HDFS-1573
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Trivial
> Labels: newbie
> Fix For: 0.23.0
>
>
> The LeaseChecker thread in DFSClient will put a stack trace in its thread
> name, theoretically to help debug cases where these threads get leaked.
> However it just shows the stack trace of whoever is asking for the thread's
> name, not the stack trace of when the thread was allocated. I'd like to fix
> this so that you can see where the thread got started, which was presumably
> its original intent.
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