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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-765) Removing FileSystem
Date Thu, 12 Nov 2009 18:24:39 GMT
Removing FileSystem
-------------------

                 Key: HDFS-765
                 URL: https://issues.apache.org/jira/browse/HDFS-765
             Project: Hadoop HDFS
          Issue Type: Task
            Reporter: Eli Collins


Here's a jira to track removing FileSystem. There are two high-level tasks:

1. Moving clients in common and mapreduce onto FileContext. I think this is currently blocked
on HADOOP-6356 and HADOOP-6361. Anything else preventing them from being moved over? Any clients
we could move over today?

2. Moving file system implementations onto AbstractFileSystem. Currently Hdfs and FilterFS
(and local and checksum) extend AFS. RawLocalFileSystem uses the delegator. S3, ftp and others
need to be moved over. Don't think there's anything blocking this stuff.

In the mean time should we mark FileSystem as deprecated? Is 23 a reasonable time frame for
moving everyone off FileSystem? Seems like we want to remove FileSystem before 1.0.

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