[kwlug-disc] NFS slow ...

Khalid Baheyeldin kb at 2bits.com
Tue May 4 12:07:52 EDT 2010


When this was happening, I could access the internet at large with fairly
decent speed. It was access to the NFS server that was slow.

But fibre would nice ...

On Mon, May 3, 2010 at 1:38 PM, unsolicited <unsolicited at swiz.ca> wrote:

> Any chance this was an internal network congestion issue?
>
> Or ... what seems to be the stock answer of most parents ... the kids must
> have been downloading (torrenting) something.
>
> And they say we don't need fibre to, and through, the home! (Save us from
> our kids?)
>
> Khalid Baheyeldin wrote, On 05/03/2010 11:12 AM:
>
>  Update:
>>
>> After putting the laptop to sleep and then opening it the following
>> morning, the problem is no longer there.
>>
>> <shrug ...>
>>
>> On Sat, May 1, 2010 at 9:50 PM, Khalid Baheyeldin <kb at 2bits.com>
>> wrote:
>>
>>  I am having a weird issue on our home network.
>>>
>>> Basically, the server runs NFS. The share is accessible to other
>>> PCs at home.
>>>
>>> When I browse the share for a folder containing largish pictures
>>> (2.4 MB, thanks to a new Canon), it is extremely slow. Taking
>>> many minutes to just display the thumbnail of the picture.
>>>
>>> This did not happen before. I was able to browse fine.
>>>
>>> Here is what netstat shows on the server:
>>>
>>> # netstat -tuap| grep nfs tcp 0      0 *:nfs          *:*
>>> LISTEN      - tcp 0 850424 homeserver:nfs 192.168.0.xx:932
>>> ESTABLISHED - udp 0      0 *:nfs          *:*
>>>
>>> So you can see that the server is listening, there is one
>>> connection established from my laptop to the server, and there
>>> are many bytes waiting to be send. The bytes disappear after a
>>> while (when the thumbnail is displayed in Dolphin I am guessing).
>>>
>>>
>>> I rebooted the laptop. Did not help. I rebooted the server. Did
>>> not help either.
>>>
>>> Other than that, I am stumped as to where the issue could be.
>>>
>>
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-- 
Khalid M. Baheyeldin
2bits.com, Inc.
http://2bits.com
Drupal optimization, development, customization and consulting.
Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
Simplicity is the ultimate sophistication. --   Leonardo da Vinci
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