Pranay Singh created HDFS-14008:
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Summary: 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
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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