AW:Re: [ILUG] Slow NFS behaviour

[p.slabiak at linux-services.org]

>FRLinux wrote:
>> On 9/19/06, Kevin Philp <kevin at cybercolloids.net> wrote:
>>> 192.168.1.100:/home     /home   nfs
>>> rw,hard,intr,sync,noexec,nosuid,rsize=32768,wsize=32768
>>
>> Use async.
>>
>> Steph
>>
>>
>I understood async was not a wise choice for mounting /home. OK for news 
>feeds and other non critical data but I don't want people getting 
>corrupted files.
>
>Pawel - could you explain what your option does? I didn't understand a 
>word of it. I have disabled ipv6 networking by altering the net-pf-10 
>entry in modprobe.d/aliases.

Hi,

this parameter sets maximum total TCP buffer-space allocatable...
there are some other methods to improve your ip stack:
echo 8388608 > /proc/sys/net/core/wmem_max
echo 8388608 > /proc/sys/net/core/rmem_max
echo "4096 87380 4194304" > /proc/sys/net/ipv4/tcp_rmem
echo "4096 87380 4194304" > /proc/sys/net/ipv4/tcp_wmem.
It looks a little bit complicate, but the you can imagine this like a small and big window.
You can get more light only through bigger window.....

Regards....


>
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Pawel Slabiak 
Linux Services
Systemingenieur
http://www.linux-services.org
mail: p.slabiak at linux-services.org

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