[jira] [Updated] (HADOOP-12469) distcp should not ignore the ignoreFailures option

["Mingliang Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-12469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mingliang Liu updated HADOOP-12469:
-----------------------------------
    Attachment: HADOOP-12469.006.patch

Thanks [~jingzhao] for the comments. The v6 patch is to address this.

> distcp should not ignore the ignoreFailures option
> --------------------------------------------------
>
>                 Key: HADOOP-12469
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12469
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: tools/distcp
>    Affects Versions: 2.7.1
>            Reporter: Gera Shegalov
>            Assignee: Mingliang Liu
>            Priority: Critical
>         Attachments: HADOOP-12469.000.patch, HADOOP-12469.001.patch, HADOOP-12469.002.patch, HADOOP-12469.003.patch, HADOOP-12469.004.patch, HADOOP-12469.005.patch, HADOOP-12469.005.patch, HADOOP-12469.006.patch
>
>
> {{RetriableFileCopyCommand.CopyReadException}} is double-wrapped via
> # via {{RetriableCommand::execute}}
> # via {{CopyMapper#copyFileWithRetry}}
> before {{CopyMapper::handleFailure}} tests 
> {code}
> if (ignoreFailures && exception.getCause() instanceof
>             RetriableFileCopyCommand.CopyReadException
> {code}
> which is always false.
> Orthogonally, ignoring failures should be mutually exclusive with the atomic option otherwise an incomplete dir is eligible for commit defeating the purpose.
>  



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