[Gluster-users] Question architecture of GlusterFS

Arend-Jan Wijtzes ajwytzes at wise-guys.nl
Wed Oct 22 08:14:17 UTC 2008


On Wed, Oct 22, 2008 at 01:00:42PM +0530, Vikas Gorur wrote:
> 2008/10/22 Arend-Jan Wijtzes <ajwytzes at wise-guys.nl>:
> 
> > Is this behaviour required for correct operation? Does this mean that all
> > clients are always reading from the same availble first node?
> > Wouldn't the load be better distributed if you take a random or
> > 'round robin' node to read from (which would seem trivial to implement)?
> 
> That is correct. Gowda gave you a simplified view of the operation.
> The AFR translator supports a 'read-subvolume' option, which lets you
> specify the node from where all the reads should be done. If you don't
> specify the option, reads will be balanced in a nearly round-robin
> fashion among all alive nodes.

Ah yes, I see from the documentation that you read the same file from the
same volume, which is probably the result of some hashing approach which 
is even nicer.

Sorry I jumped the gun.

-- 
Arend-Jan Wijtzes -- Wiseguys -- www.wise-guys.nl




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