problem with nfs ls latency during high IO

[Judith Flo Gaya]

Thanks a lot for your suggestion, but async looks to me a little "dangerous" don't you think?

Regarding the kernel, I've seen that the new update in fedora's kernel will not change to the stable one. 

What do you suggest? Shall I compile the new kernel? 

I have to put this server on production soon and I dont't want my clients to get stuck like this ;(

Thanks a lot anyway!
j

On 14/03/2011, at 19:36, Michael Cronenworth <mike at cchtml.com> wrote:

> Judith Flo Gaya wrote:
>> Can you help me on this? am I wrong in my supposition (is the patch
>> really applied)? is it possible that my problem is somewhere else?
>> 
> 
> The patch looks to be backported (per BZ comment). Meaning: It's already 
> upstream. The latest stable kernel (2.6.37) seems to have the patch[1] 
> albeit the code is vastly different.
> 
> Have you tried setting "async" on the NFS server shares? I have had to 
> do that on my systems. Everything gets bogged down in large gigabyte 
> transfers if I don't.
> 
> 
> [1] 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=fs/nfs/inode.c;h=e67e31c734163c6fe6c0eef0d338a2b87ae55763;hb=3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5#l498
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