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[gfarm-discuss:08425] Re: Gfarm data access optimization
- From: Osamu Tatebe <tatebe@xxxxxxxxxxxxxxxx>
- Date: Thu, 19 Apr 2007 11:33:46 +0900
Hi Tim,
It is selected based on the cpu load of a file system node.
The search order of file system nodes is determined by RTT
from a client program. This means a near and less loaded
node is selected. For details, please refer to a comment
in lib/libgfarm/gfarm/schedule.c
Thanks,
Osamu
On Thu, 19 Apr 2007 09:49:14 +1000
"Tim Ho" <tim.ho@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> When a program tries to access a file from Gfarm, if there are many
> replicas, which one would Gfarm use? For example, when a program opens
> the file using "gfs_pio_open"?
>
> Tim