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https://issues.apache.org/jira/browse/HDFS-14008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-14008 started by Pranay Singh.
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> NN should log snapshotdiff report
> ---------------------------------
>
> Key: HDFS-14008
> URL: https://issues.apache.org/jira/browse/HDFS-14008
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0, 3.1.1, 3.0.3
> Reporter: Pranay Singh
> Assignee: Pranay Singh
> Priority: Major
> Attachments: HDFS-14008.001.patch
>
>
> It will be helpful to log message for snapshotdiff to correlate snapshotdiff
> operation against memory spikes in NN heap. It will be good to log the below
> details at the end of snapshot diff operation, this will help us to know the
> time spent in the snapshotdiff operation and to know the number of
> files/directories processed and compared.
> a) Total dirs processed
> b) Total dirs compared
> c) Total files processed
> d) Total files compared
> e) Total children listing time
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