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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11426) Refactor EC CLI to be similar to storage policies CLI
Date Tue, 21 Feb 2017 20:28:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876647#comment-15876647
] 

Wei-Chiu Chuang commented on HDFS-11426:
----------------------------------------

Hi Andrew,
Thanks for the patch. I like the refactory proposal, but the patch would require a rebase
after HDFS-11405.
I caught one nit in the patch:
{code}
if (ecPolicy != null) {
          System.out.println(ecPolicy.toString());
        } else {
{code}
It could be easier to understand with a more verbose output than printing the ec policy.

> Refactor EC CLI to be similar to storage policies CLI
> -----------------------------------------------------
>
>                 Key: HDFS-11426
>                 URL: https://issues.apache.org/jira/browse/HDFS-11426
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding, shell
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-11426.001.patch, HDFS-11426.002.patch
>
>
> The {{hdfs erasurecode}} CLI is similar to {{hdfs storagepolicies}} in terms of functionality,
but different in terms of behavior. Let's refactor {{ECCli}} to be more similar to the various
Admin classes we already have, and also make its calling syntax mimic {{hdfs storagepolicies}}
as closely as possible.



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