Maybe, but the HDFS FUSE project, which actually lets you mount HDFS like
any other filesystem (without going through some web interface or a
special "shell"), claims not to support permissions yet on their homepage.
If you're looking for something that you can treat like an ordinary POSIX
filesystem, HDFS doesn't currently look like it.
Thanks,
Brent
On Mon, 4 May 2009, Jeff Hammerbacher wrote:
Actually, permissions are supported in HDFS:
http://hadoop.apache.org/core/docs/current/hdfs_permissions_guide.html.
Integration of authentication by a trusted system like Kerberos is underway
to close the identity hole.
On Mon, May 4, 2009 at 4:34 PM, Brent A Nelson <brent@xxxxxxxxxxxx> wrote:
It looks young; not even permissions are supported, yet...
On Mon, 4 May 2009, Gordan Bobic wrote:
On 04/05/2009 23:01, ender wrote:
If you have an _immediate_ need for a fuse mountable
clustered filesystem you might want to look at :
http://wiki.apache.org/hadoop/MountableHDFS HDFS does replication(+ self
heal) well.
Interesting, not heard of that one before. Have you used it? What is your
experience of it? Is there readable mmap support? How does it compare to
GlusterFS performance-wise? How gracefully does it handle disconnections and
reconnections compared to AFR? Is it _really_ more stable than GlusterFS?
I guess I really ought to try it, but for my intended use case it would
mean writing support for it into Open Shared Root. Not that that's a
problem, I've added GlusterFS support to it before, but it might be a month
or so before I get around to it...
Gordan
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