Messages in this thread | | | From | Grant Coady <> | Subject | Re: NFS Still broken in 2.6.x? | Date | Sat, 25 Feb 2006 09:32:50 +1100 |
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On Fri, 24 Feb 2006 11:18:44 -0500, Bryan Fink <bfink@eventmonitor.com> wrote:
>Hi again. I just found some new, very interesting information. Until >just a few minutes ago, I hadn't realized that one could change the I/O >scheduler at runtime. Looking into it, my system was using "cfq", and I >have three other options, "noop", "anticipatory", and "deadline". I've >now run tests using all three of the other schedulers, and they all >bring performance back up to the level I had with kernel 2.4. So, either >NFS is incompatible with cfq, or cfq has some issues that show very >vividly when used with NFS (or, I suppose, I just have my system tuned >wrong for use with cfq).
I run NFS for ages -- all linux boxen here mount a shared export from localnet controller box to get source + patches.
Only have 'deadline' installed on 2.6 kernels -- not seen any problems with NFS here (apart from back when I had data corruption due a faulty memory stick).
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