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https://issues.apache.org/jira/browse/HDFS-13660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HDFS-13660:
-----------------------------------
Fix Version/s: 3.2.2
3.1.4
> 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
> Fix For: 3.3.0, 3.1.4, 3.2.2
>
> 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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