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Posted to hdfs-issues@hadoop.apache.org by "Mukund Thakur (JIRA)" <ji...@apache.org> on 2018/06/07 10:20:00 UTC
[jira] [Assigned] (HDFS-13660) DistCp job fails when new data is
appended in the file while the distCp copy job is running
[ https://issues.apache.org/jira/browse/HDFS-13660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mukund Thakur reassigned HDFS-13660:
------------------------------------
Assignee: Mukund Thakur
> DistCp job fails when new data is appended in the file while the distCp copy job is running
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-13660
> URL: https://issues.apache.org/jira/browse/HDFS-13660
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: distcp
> Reporter: Mukund Thakur
> Assignee: Mukund Thakur
> Priority: Critical
> Attachments: distcp_failure_when_file_append.log
>
>
> Steps to reproduce:
> Suppose distcp MR job is copying the file /tmp/web_returns_merged/data-m-002 and
> we append some more data to this file using command
> hadoop fs -appendToFile xaa /tmp/web_returns_merged/data-m-002
> the job fails with exception
> Mismatch in length of source:hdfs://mycluster0/tmp/web_returns_merged/data-m-002 and target.
> Attached the logs.
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