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https://issues.apache.org/jira/browse/HDFS-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828340#comment-15828340
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Kihwal Lee commented on HDFS-9574:
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[~arpitagarwal], please elaborate the reason for marking it incompatible. If
valid, we need to update the release note as well.
> Reduce client failures during datanode restart
> ----------------------------------------------
>
> Key: HDFS-9574
> URL: https://issues.apache.org/jira/browse/HDFS-9574
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Fix For: 2.8.0, 2.7.2, 2.6.4, 3.0.0-alpha1
>
> Attachments: HDFS-9574.patch, HDFS-9574.v2.patch,
> HDFS-9574.v3.br26.patch, HDFS-9574.v3.br27.patch, HDFS-9574.v3.patch
>
>
> Since DataXceiverServer is initialized before BP is fully up, client requests
> will fail until the datanode registers.
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