Re: NFS Buffering

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On 29/09/2010 14:12, Ian Chapman wrote:
> On 28/09/10 22:07, Simon Andrews wrote:
>
>> Does anyone know how to either make this buffer smaller, or get rid of
>> it all together so the scp can accruately report on its progress?
>
> You could try adjusting /proc/sys/vm/dirty_ratio.
>
> "Contains, as a percentage of total system memory, the number of pages
> at which a process which is generating disk writes will itself start
> writing out dirty data"
>
> The default seems to be 20 on Fedora 13. For example to set it to 5%
> (which is the lowest it will go I believe):

That sounds like it might be an answer.  It's a shame there's no way to 
specify this per-process, but this machine does have quite a bit of RAM 
in it, so having this specified as a percentage of RAM might make it 
larger than we'd want.

I'll have a play and see what effect this has.

Cheers

Simon.
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