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https://issues.apache.org/jira/browse/HADOOP-16440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena moved HDFS-14621 to HADOOP-16440:
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Affects Version/s: (was: 3.1.2)
(was: 2.7.7)
2.7.7
3.1.2
Component/s: (was: distcp)
Key: HADOOP-16440 (was: HDFS-14621)
Project: Hadoop Common (was: Hadoop HDFS)
> Distcp can not preserve timestamp with -delete option
> ------------------------------------------------------
>
> Key: HADOOP-16440
> URL: https://issues.apache.org/jira/browse/HADOOP-16440
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.1.2, 2.7.7
> Reporter: ludun
> Priority: Major
> Attachments: HDFS-14261.001.patch, HDFS-14621.002.patch,
> HDFS-14621.003.patch, HDFS-14621.004.patch
>
>
> Use distcp with -prbugpcaxt and -delete to copy data between cluster.
> hadoop distcp -Dmapreduce.job.queuename="QueueA" -prbugpcaxt -update -delete
> hdfs://sourcecluster/user/hive/warehouse/sum.db
> hdfs://destcluster/user/hive/warehouse/sum.db
> After distcp, we found the timestamp of dest is different from source, and
> the timestamp of some directory was the time distcp running.
> Check the code of distcp, in CopyCommitter, it preserves time first then
> process -delete option which will change the timestamp of dest directory. So
> we should process -delete option first.
>
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