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Posted to common-issues@hadoop.apache.org by "Chris Douglas (JIRA)" <ji...@apache.org> on 2016/09/19 20:21:20 UTC

[jira] [Updated] (HADOOP-13626) Remove distcp dependency on FileStatus serialization

     [ https://issues.apache.org/jira/browse/HADOOP-13626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Douglas updated HADOOP-13626:
-----------------------------------
    Attachment: HADOOP-13626.001.patch

> Remove distcp dependency on FileStatus serialization
> ----------------------------------------------------
>
>                 Key: HADOOP-13626
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13626
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: tools/distcp
>            Reporter: Chris Douglas
>         Attachments: HADOOP-13626.001.patch
>
>
> DistCp uses an internal struct {{CopyListingFileStatus}} to record metadata. Because this record extends {{FileStatus}}, it also relies on the {{Writable}} contract from that type. Because DistCp performs its checks on a subset of the fields (i.e., does not actually rely on {{FileStatus}} as a supertype), these types should be independent.



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