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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Defining Hadoop" by SteveLoughran
Date Wed, 07 Oct 2015 19:01:51 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "Defining Hadoop" page has been changed by SteveLoughran:
https://wiki.apache.org/hadoop/Defining%20Hadoop?action=diff&rev1=16&rev2=17

Comment:
cull GPFS and IBRIX references

  
   "Automotive Joe's Hadoop filesystem makes Hadoop installations faster and more reliable!"
  
- Hadoop does support multiple filesystems, and has a reasonably stable interface for them.
Example filesystems include Amazon S3, POSIX-compatible native filesystems, IBM's GPFS, HP
IBRIX and others. For this reason, the only "Hadoop" filesystem that should use Hadoop in
its brand name is "HDFS": Hadoop Filesystem, but any other filesystem is welcome to declare
their support for Hadoop.
+ Hadoop does support multiple filesystems, and has a reasonably stable interface for them.
Example filesystems include Amazon S3, POSIX-compatible native filesystems, and others. For
this reason, the only "Hadoop" filesystem that should use Hadoop in its brand name is "HDFS":
Hadoop Filesystem, but any other filesystem is welcome to declare their support for Hadoop.
  
  The Apache Hadoop project has attempted to define the behavior of HDFS and so inform other
filesytem implementors what that they need to do to integrate with Hadoop, with tests for
this in the Hadoop source tree and Apache Bigtop. Following the [[HCFS]] work will help you
integrate with Hadoop —but it does not grant any rights to product naming, or the right
to state categorically that your filesystem is totally compatible with the behavior of HDFS
expected by program.
  

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