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https://issues.apache.org/jira/browse/HDFS-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13137595#comment-13137595
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Eli Collins commented on HDFS-2507:
-----------------------------------
+1 looks great.
Nit: no need to pass null to dirIterable in the test
> HA: Allow saveNamespace operations to be canceled
> -------------------------------------------------
>
> Key: HDFS-2507
> URL: https://issues.apache.org/jira/browse/HDFS-2507
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: HA branch (HDFS-1623), 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-2507.txt
>
>
> For HDFS-2291 (checkpointing in HA setup) we need to allow the StandbyNode to
> handle a failover while it may be in the middle of saving a checkpoint. This
> implies that checkpoints need to be abortable.
> This JIRA is to implement this functionality. Even though this is only needed
> for HA, I think we should do the infrastructure in trunk to simplify future
> merges.
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