Xun REN created HDFS-13916:
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Summary: SnapshotDiff not completely implemented for supporting
WebHdfs
Key: HDFS-13916
URL: https://issues.apache.org/jira/browse/HDFS-13916
Project: Hadoop HDFS
Issue Type: Improvement
Components: distcp, webhdfs
Affects Versions: 3.1.1, 3.0.1
Reporter: Xun REN
[~ljain] has worked on the JIRA:
https://issues.apache.org/jira/browse/HDFS-13052 to provide the possibility to
make DistCP of SnapshotDiff with WebHDFSFileSystem. However, in the patch,
there is no modification for the real java class which is used by launching the
command "hadoop distcp ..."
You can check in the latest version here:
[https://github.com/apache/hadoop/blob/branch-3.1.1/hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpSync.java#L96-L100]
In the method "preSyncCheck" of the class "DistCpSync", we still check if the
file system is DFS.
So I propose to change the class DistCpSync in order to take into consideration
what was committed by Lokesh Jain.
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