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Posted to hdfs-dev@hadoop.apache.org by "Chen Liang (Jira)" <ji...@apache.org> on 2019/10/03 04:56:00 UTC
[jira] [Reopened] (HDFS-12979) StandbyNode should upload FsImage to
ObserverNode after checkpointing.
[ https://issues.apache.org/jira/browse/HDFS-12979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chen Liang reopened HDFS-12979:
-------------------------------
Thanks for the catch [~shv]. I've committed to branch-3.2 and branch-3.1 as there were only some imports difference. But branch-2 patch is quite different, re-open to post the patch for jenkins run.
> 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
> Fix For: 3.3.0
>
> Attachments: HDFS-12979-branch-2.001.patch, HDFS-12979.001.patch, HDFS-12979.002.patch, HDFS-12979.003.patch, HDFS-12979.004.patch, HDFS-12979.005.patch, HDFS-12979.006.patch, HDFS-12979.007.patch, HDFS-12979.008.patch, HDFS-12979.009.patch, HDFS-12979.010.patch, HDFS-12979.011.patch, HDFS-12979.012.patch, HDFS-12979.013.patch, HDFS-12979.014.patch, HDFS-12979.015.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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