Shashikant Banerjee created HDFS-12998:
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Summary: 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: Improvement
Reporter: Shashikant Banerjee
Assignee: Shashikant Banerjee
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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