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Re: [Gluster-devel] afr, striping, and nufa scheduler
From: |
Krishna Srinivas |
Subject: |
Re: [Gluster-devel] afr, striping, and nufa scheduler |
Date: |
Tue, 25 Sep 2007 22:55:47 +0530 |
Hi August,
Actually the read scheduler is not yet done, it is on our roadmap to
implement it. Now, AFR does all the read operations from its first
child.
Regards
Krishna
On 9/25/07, August R. Wohlt <address@hidden> wrote:
> Hi,
>
> I have a setup with two servers mirroring each others' files using
> cluster/afr:2. The two servers are on a high-latency connection, so I would
> like to ensure that the local server is given preference in i/o over the
> distant server. I do not need aggregrate performance, only file replication.
>
> Is it the default behavior to do i/o on the first server listed in the afr
> configration before the 2nd? I see this in the FAQ about striping, which
> makes me wonder:
>
> GlusterFS AFR (automatic file replication) translator does a striped read
> to improve performance on mirrored files.
>
> And I do not see the equivalent of a "scheduler" option in cluster/afr in
> the src that would let me use something like NUFA.
>
> What is the best way to ensure this?
>
> Thanks!
> :august
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>
- [Gluster-devel] afr, striping, and nufa scheduler, August R. Wohlt, 2007/09/25
- Re: [Gluster-devel] afr, striping, and nufa scheduler,
Krishna Srinivas <=
- Re: [Gluster-devel] afr, striping, and nufa scheduler, Nathan Allen Stratton, 2007/09/25
- Re: [Gluster-devel] afr, striping, and nufa scheduler, Krishna Srinivas, 2007/09/25
- Re: [Gluster-devel] afr, striping, and nufa scheduler, August R. Wohlt, 2007/09/25
- Re: [Gluster-devel] afr, striping, and nufa scheduler, Krishna Srinivas, 2007/09/25
- [Gluster-devel] TLA 493 error, Nathan Allen Stratton, 2007/09/25
- Re: [Gluster-devel] TLA 493 error, Alexander Attarian, 2007/09/25
- Re: [Gluster-devel] TLA 493 error, Matthias Albert, 2007/09/25
- Re: [Gluster-devel] TLA 493 error, Amar S. Tumballi, 2007/09/25