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https://issues.apache.org/jira/browse/HDFS-10996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15672895#comment-15672895
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Andrew Wang commented on HDFS-10996:
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1. Correct, users will not use ClientProtocol directly.
2. FileSystem is the public class, users are not supposed to use
DistributedFileSystem directly. So, let's work in FileSystem first.
> Ability to specify per-file EC policy at create time
> ----------------------------------------------------
>
> Key: HDFS-10996
> URL: https://issues.apache.org/jira/browse/HDFS-10996
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Andrew Wang
> Assignee: SammiChen
> Attachments: HDFS-10996-v1.patch, HDFS-10996-v2.patch,
> HDFS-10996-v3.patch
>
>
> Based on discussion in HDFS-10971, it would be useful to specify the EC
> policy when the file is created. This is useful for situations where app
> requirements do not map nicely to the current directory-level policies.
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