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https://issues.apache.org/jira/browse/HDFS-4176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-4176:
--------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0-alpha2
2.9.0
Status: Resolved (was: Patch Available)
Thanks for the reviews [~xiaochen] [~jingzhao]. I committed it to both
branch-2 and trunk.
And thanks [~Surendra Singh Lilhore] for the suggestions. I filed HDFS-10734
for changing the key names.
> EditLogTailer should call rollEdits with a timeout
> --------------------------------------------------
>
> Key: HDFS-4176
> URL: https://issues.apache.org/jira/browse/HDFS-4176
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, namenode
> Affects Versions: 2.0.2-alpha, 3.0.0-alpha1
> Reporter: Todd Lipcon
> Assignee: Lei (Eddy) Xu
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: HDFS-4176-branch-2.0.patch,
> HDFS-4176-branch-2.003.patch, HDFS-4176-branch-2.1.patch,
> HDFS-4176-branch-2.2.patch, HDFS-4176.00.patch, HDFS-4176.01.patch,
> HDFS-4176.02.patch, HDFS-4176.03.patch, HDFS-4176.04.patch, namenode.jstack4
>
>
> When the EditLogTailer thread calls rollEdits() on the active NN via RPC, it
> currently does so without a timeout. So, if the active NN has frozen (but not
> actually crashed), this call can hang forever. This can then potentially
> prevent the standby from becoming active.
> This may actually considered a side effect of HADOOP-6762 -- if the RPC were
> interruptible, that would also fix the issue.
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