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https://issues.apache.org/jira/browse/HDFS-15032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992719#comment-16992719
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Erik Krogen edited comment on HDFS-15032 at 12/10/19 4:35 PM:
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Thanks for the info [~shv], good to know. I've removed the {{toString()}} stuff
in v5.
After seeing the Jenkins failure, I experimented and found that the new test
timed out half of the time (5 of 10 runs) when run on my machine, but it
succeeded every time when I increased the timeout to 2 minutes. I think it just
needs longer since there is more overhead involved with the failure handling.
To avoid spurious failures, I increased the timeout for the failure test to 3
minutes, and for the non-failure observer test to 2 minutes.
was (Author: xkrogen):
Thanks for the info [~shv], good to know. I've removed the {{toString()}} stuff
in v5.
After seeing the Jenkins failure, I experimented and found that the new test
timing out half of the time (5 of 10 runs) when run on my machine, but it
succeeded every time when I increased the timeout to 2 minutes. I think it just
needs longer since there is more overhead involved with the failure handling.
To avoid spurious failures, I increased the timeout for the failure test to 3
minutes, and for the non-failure observer test to 2 minutes.
> Balancer crashes when it fails to contact an unavailable NN via
> ObserverReadProxyProvider
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-15032
> URL: https://issues.apache.org/jira/browse/HDFS-15032
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 2.10.0
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Major
> Attachments: HDFS-15032.000.patch, HDFS-15032.001.patch,
> HDFS-15032.002.patch, HDFS-15032.003.patch, HDFS-15032.004.patch,
> HDFS-15032.005.patch, debugger_with_tostring.png,
> debugger_without_tostring.png
>
>
> When trying to run the Balancer using ObserverReadProxyProvider (to allow it
> to read from the Observer Node as described in HDFS-14979), if one of the NNs
> isn't running, the Balancer will crash.
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