[kwlug-disc] NFS slow ...

[Khalid Baheyeldin]

The network internally is 1000Mbps, but that is only for wired machines
(server, and just one other infrequently used print server/kid computer).

The rest of the network is 802.11g so 54Mbps at best.

/me shrugs again ...

On Wed, May 5, 2010 at 3:13 AM, unsolicited <unsolicited at swiz.ca> wrote:

> OK, but even full speed, external internet traffic shouldn't bog down
> the internal network too much. A large internal file transfer machine
> to machine would though. (I'm assuming you're GB internally.)
>
> Khalid Baheyeldin wrote, On 05/04/2010 12:07 PM:
>
>  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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