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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