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https://issues.apache.org/jira/browse/HDFS-14008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672518#comment-16672518
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Hudson commented on HDFS-14008:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15345 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15345/])
HDFS-14008. NN should log snapshotdiff report. Contributed by Pranay (weichiu:
rev d98b881e9ab826eb7b70485d0de2a41ab7345334)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotDiffReport.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotDiffInfo.java
> 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
> Fix For: 3.3.0
>
> Attachments: HDFS-14008.001.patch, HDFS-14008.002.patch,
> HDFS-14008.003.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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