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https://issues.apache.org/jira/browse/HDFS-12979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16840751#comment-16840751
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Plamen Jeliazkov commented on HDFS-12979:
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Thanks! I agree, [~xkrogen]. I think it's unnecessary at this point.
My own experience / justification: For NameNodes that run alongside other
applications too these tend to be smaller clusters; where "overload" would
likely be a non-issue. If this ever became something to address it would be a
pretty straightforward change anyway.
> StandbyNode should upload FsImage to ObserverNode after checkpointing.
> ----------------------------------------------------------------------
>
> Key: HDFS-12979
> URL: https://issues.apache.org/jira/browse/HDFS-12979
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Konstantin Shvachko
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-12979.001.patch, HDFS-12979.002.patch,
> HDFS-12979.003.patch, HDFS-12979.004.patch, HDFS-12979.005.patch,
> HDFS-12979.006.patch
>
>
> ObserverNode does not create checkpoints. So it's fsimage file can get very
> old making bootstrap of ObserverNode too long. A StandbyNode should copy
> latest fsimage to ObserverNode(s) along with ANN.
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