Hanisha Koneru commented on HDFS-11394:

Hi [~lewuathe], thanks for working on this. 

Can you please rebase the patch with current trunk. 

IMO, it would be sufficient to provide just the policy name in json (on the 
presumption that plugged in policies also have a logical name). I am ok with 
giving the full schema information too. But either way, I think, the structure 
of the json should be same - either only name or full schema.

Please do let me know if you do not plan to work on this Jira anymore. 

> Add method for getting erasure coding policy through WebHDFS 
> -------------------------------------------------------------
>                 Key: HDFS-11394
>                 URL: https://issues.apache.org/jira/browse/HDFS-11394
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding, namenode
>            Reporter: Kai Sasaki
>            Assignee: Kai Sasaki
>            Priority: Major
>              Labels: hdfs-ec-3.0-nice-to-have
>         Attachments: HDFS-11394.01.patch, HDFS-11394.02.patch, 
> HDFS-11394.03.patch, HDFS-11394.04.patch
> We can expose erasure coding policy by erasure coded directory through 
> WebHDFS method as well as storage policy. This information can be used by 
> NameNode Web UI and show the detail of erasure coded directories.
> see: HDFS-8196

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