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Posted to common-issues@hadoop.apache.org by "Yongjun Zhang (JIRA)" <ji...@apache.org> on 2017/04/05 22:50:42 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 ]
Yongjun Zhang updated HADOOP-13626:
-----------------------------------
Fix Version/s: 2.9.0
> 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
> Assignee: Chris Douglas
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: HADOOP-13626.001.patch, HADOOP-13626.002.patch, HADOOP-13626.003.patch, HADOOP-13626.004.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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