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https://issues.apache.org/jira/browse/HDFS-12998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16368778#comment-16368778
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Hudson commented on HDFS-12998:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13680 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13680/])
HDFS-12998. SnapshotDiff - Provide an iterator-based listing API for (szetszwo:
rev 83e2bb98eea45ddcb598080f68a2f69de1f04485)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDiffReport.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
> SnapshotDiff - Provide an iterator-based listing API for calculating
> snapshotDiff
> ---------------------------------------------------------------------------------
>
> Key: HDFS-12998
> URL: https://issues.apache.org/jira/browse/HDFS-12998
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: snapshots
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: HDFS-12998.001.patch, HDFS-12998.002.patch,
> HDFS-12998.003.patch
>
>
> Currently , SnapshotDiff computation happens over multiple rpc calls to
> namenode depending on the no of snapshotDiff entries where each rpc call
> returns at max 1000 entries by default . Each "getSnapshotDiffreportListing"
> call to namenode returns a partial snapshotDiffreportList which are all
> combined and processed at the client side to generate a final
> snapshotDiffreport. There can be cases where SnapshotDiffReport can be huge
> and in situations as such , the rpc calls to namnode should happen on demand
> at the client side.
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