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https://issues.apache.org/jira/browse/HDFS-5350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HDFS-5350:
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Attachment: trunk-5666_v2.patch
Andrew, thanks a lot for the review. I fixed the GetImage metric. I also added
a GetEdit metric for edits transferring. Instead of adding a test in
TestNameNodeMetrics, I added some metrics checking in
TestBackupNode#testCheckpointNode so that we don't have to copy the code around
(to create some image/edit related activities). How is that?
> Name Node should report fsimage transfer time as a metric
> ---------------------------------------------------------
>
> Key: HDFS-5350
> URL: https://issues.apache.org/jira/browse/HDFS-5350
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Rob Weltman
> Assignee: Jimmy Xiang
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: trunk-5350.patch, trunk-5666_v2.patch
>
>
> If the (Secondary) Name Node reported fsimage transfer times (perhaps the
> last ten of them), monitoring tools could detect slowdowns that might
> jeopardize cluster stability.
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