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Posted to hdfs-issues@hadoop.apache.org by "Lei (Eddy) Xu (JIRA)" <ji...@apache.org> on 2017/12/13 21:30:00 UTC
[jira] [Resolved] (HDFS-12923) DFS.concat should throw exception if
files have different EC policies.
[ https://issues.apache.org/jira/browse/HDFS-12923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lei (Eddy) Xu resolved HDFS-12923.
----------------------------------
Resolution: Won't Fix
Fix Version/s: 3.0.0
Resolved as not an issue.
> DFS.concat should throw exception if files have different EC policies.
> -----------------------------------------------------------------------
>
> Key: HDFS-12923
> URL: https://issues.apache.org/jira/browse/HDFS-12923
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Affects Versions: 3.0.0
> Reporter: Lei (Eddy) Xu
> Priority: Critical
> Fix For: 3.0.0
>
>
> {{DFS#concat}} appends blocks from different files to a single file. However, if these files have different EC policies, or mixed with replicated and EC files, the resulted file would be problematic to read, because the EC codec is defined in INode instead of in a block.
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