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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12199) Ozone: OzoneFileSystem: OzoneFileystem initialization code
Date Mon, 07 Aug 2017 10:03:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116366#comment-16116366

Weiwei Yang commented on HDFS-12199:

Hi [~msingh]

Thanks for working on this. I maybe able to get more details from the design doc you are going
to upload to HDFS-11704, before that becomes to be available, a few comments/questions


Can we name the schema to {{oz}} instead of {{ozfs}} ?  I checked some existing FS implementations,
their schema are like, "oss", "adl", "s3a" etc. none of them contains "fs" suffix.


1. Since oz FS is initiated per bucket, we need to ensure bucket existence during the {{initialize}}.
But there seems no code to check this.

2. line 84 - 88, question: if a client passes, e.g /vol/bucket/ppp, as the URI path to init
oz FS, is this a valid configuration or an exception to throw?

3. line 99, line 109: can we move constants "http://" and "/user" to {{Constants}} class?

4. Can you implement at least one FS API in {{OzoneFileSystem}} to prove this is working?

Thank you.

> Ozone: OzoneFileSystem: OzoneFileystem initialization code
> ----------------------------------------------------------
>                 Key: HDFS-12199
>                 URL: https://issues.apache.org/jira/browse/HDFS-12199
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Mukul Kumar Singh
>            Assignee: Mukul Kumar Singh
>             Fix For: HDFS-7240
>         Attachments: HDFS-12199-HDFS-7240.001.patch
> This jira will be used to add OzoneFileySystem initialization code. This jira is based
out of HDFS-11704. I will attach a design document to HDFS-11704.

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