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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2810) Leases not properly getting renewed by clients
Date Thu, 19 Jan 2012 23:05:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon updated HDFS-2810:

    Attachment: hdfs-2810.txt

Oops, the bumping of the logging level caused the thread name to be more verbose, which broke
testThreadName. Reverting that part of the change.
> Leases not properly getting renewed by clients
> ----------------------------------------------
>                 Key: HDFS-2810
>                 URL: https://issues.apache.org/jira/browse/HDFS-2810
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>         Attachments: hdfs-2810.txt, hdfs-2810.txt
> We've been testing HBase on clusters running trunk and seen an issue where they seem
to lose their HDFS leases after a couple of hours of runtime. We don't quite have enough data
to understand what's happening, but the NN is expiring them, claiming the hard lease period
has elapsed. The clients report no error until their output stream gets killed underneath

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