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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-13876) HttpFS: Implement ALLOWSNAPSHOT, DISALLOWSNAPSHOT
Date Thu, 20 Sep 2018 18:26:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16622482#comment-16622482
] 

Wei-Chiu Chuang edited comment on HDFS-13876 at 9/20/18 6:25 PM:
-----------------------------------------------------------------

Thanks for the patch. In addition to [~ljain]'s comment here are a few more:

# Make sense to use PUT method for allowSnapshot/disallowSnapshot
# Like HDFS-13916, once HADOOP-15691 completes we should use PathCapabilities instead.
# We can improve this message "allowSnapshot is only supported on DistributedFileSystem".
Can we log "allowSnapshot is not supported for HttpFs on " + fs.getClass() + ". Please check
your fs.defaultFS configuration"? This'll help make troubleshooting easier.


was (Author: jojochuang):
1. Make sense to use PUT method for allowSnapshot/disallowSnapshot
2. Like HDFS-13916, once HADOOP-15691 completes we should use PathCapabilities instead.
3. We can improve this message "allowSnapshot is only supported on DistributedFileSystem".
Can we log "allowSnapshot is not supported for HttpFs on " + fs.getClass() + ". Please check
your fs.defaultFS configuration"? This'll help make troubleshooting easier.

> HttpFS: Implement ALLOWSNAPSHOT, DISALLOWSNAPSHOT
> -------------------------------------------------
>
>                 Key: HDFS-13876
>                 URL: https://issues.apache.org/jira/browse/HDFS-13876
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: httpfs
>    Affects Versions: 3.1.1, 3.0.3
>            Reporter: Siyao Meng
>            Assignee: Siyao Meng
>            Priority: Major
>         Attachments: HDFS-13876.001.patch
>
>
> Implement ALLOWSNAPSHOT, DISALLOWSNAPSHOT (from HDFS-9057) in HttpFS.



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