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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6223) New improved FileSystem interface for those implementing new files systems.
Date Tue, 15 Sep 2009 05:29:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755352#action_12755352
] 

Sanjay Radia commented on HADOOP-6223:
--------------------------------------

Proposed package and file system naming convention.
AbstractFileSystem and FileContext remain in the fs package.
AFS impls all end with fs  (we would have prefered Filesystem but that is taken).


fs
* FileContext
* AbstractFileSystem
* Filterfs

- fs.hdfs
** Hdfs
- fs.ftp  
** Ftpfs
- fs.kfs
** Kfs
- fs.local
** Localfs
** RawLocalfs
- fs.s3
** S3fs
- fs.s3native
** S3nativefs
- fs.shell

> New improved FileSystem interface for those implementing new files systems.
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-6223
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6223
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>
> The FileContext API (HADOOP-4952) provides an improved interface for the application
writer.
> This lets us simplify the FileSystem API since it will no longer need to deal with notions
of default filesystem [ / ],  wd, and config
> defaults for blocksize, replication factor etc. Further it will not need the many overloaded
methods for create() and open() since
> the FileContext API provides that convenience.
> The FileSystem API can be simplified and can now be restricted to those implementing
new file systems.
> This jira proposes that we create new file system API,  and deprecate FileSystem API
after a few releases.

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