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Jimmy Xiang updated HDFS-5350: ------------------------------ 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. -- This message was sent by Atlassian JIRA (v6.1.4#6159)