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https://issues.apache.org/jira/browse/HDFS-15293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17110733#comment-17110733
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Akira Ajisaka commented on HDFS-15293:
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Chery-picked to branch-3.3 and branch-3.3.0.
> Relax the condition for accepting a fsimage when receiving a checkpoint
> ------------------------------------------------------------------------
>
> Key: HDFS-15293
> URL: https://issues.apache.org/jira/browse/HDFS-15293
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Chen Liang
> Assignee: Chen Liang
> Priority: Critical
> Labels: multi-sbnn, release-blocker
> Fix For: 3.2.2, 2.10.1, 3.3.1, 3.1.5
>
> Attachments: HDFS-15293.001.patch, HDFS-15293.002.patch
>
>
> HDFS-12979 introduced the logic that, if ANN sees consecutive fs image upload
> from Standby with a small delta comparing to previous fsImage. ANN would
> reject this image. This is to avoid overly frequent fsImage in case of when
> there are multiple Standby node. However this check could be too stringent.
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