[Gluster-users] Atomic file updates
jayunit100 at gmail.com
Wed Feb 12 23:20:03 UTC 2014
hola jeff: im not sure wether your volfile command is complimentary, or
alternative , to my simple and easy "mount with entry-timeout=0" option.
tom : Im not sure , lets wait for jeff, he's the hardcore gluster
im just a user :)
On Wed, Feb 12, 2014 at 5:23 PM, Tom Munro Glass <tom at tmgcon.com> wrote:
> On 02/13/2014 10:24 AM, Jay Vyas wrote:
> > For vanilla apps that are doing stuff in gluster, you normally do it
> > through a fuse mount.
> > mount -t glusterfs localhost:HadoopVol /mnt/glusterfs
> > But in your case, you might want to do some strict consistency settings
> > make it atomic:
> > mount -t glusterfs localhost:HadoopVol -o
> > entry-timeout=0,attribute-timeout=0/mnt/glusterfs
> > This will make sure that everything is refreshed when you look up files.
> > This strategy has solved our eventual consistency requirements for the
> > hadoop plugin.
> Are you saying that with these mount options I can just write files
> directly without using flock or renaming a temporary file, and that
> other processes trying to read the file will always see a complete and
> consistent view of the file?
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