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Posted to hdfs-issues@hadoop.apache.org by "Pranay Singh (JIRA)" <ji...@apache.org> on 2018/10/23 20:55:00 UTC
[jira] [Updated] (HDFS-14008) NN should log snapshotdiff report
[ https://issues.apache.org/jira/browse/HDFS-14008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pranay Singh updated HDFS-14008:
--------------------------------
Status: Patch Available (was: In Progress)
> 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: 3.0.3, 3.1.1, 3.0.0
> 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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