[kwlug-disc] NFS slow ...

Shane shane.msg at gmail.com
Mon May 3 13:58:08 EDT 2010


There are two possibilities that I can think of, both stretches.  However, to quote A.C. Doyle in "Sherlock Holmes," "When you have eliminated the impossible, whatever remains, however improbable, must be the truth"..

One possibility is that during the reboot the system did not completely reset to electronic neutral.  Any charge remaining, and at those low voltages and minimal currents it wouldn't need much, could have interrupted the reset somehow. 

Another possibility could be temperature which could be operating in concert with the other causing a double whammy.  Was it operating for an inordinately long time?  A different location?  Have you done a check of your memory facilities, RAM and HD?

There is more but I'll stop there.  Oh my,  haven't had to think like that for a while. 

Shane.  
================It's not the size of the dog in the fight, it's the size of the fight in the dog.

-----Original Message-----
From: unsolicited <unsolicited at swiz.ca>
Date: Mon, 03 May 2010 13:38:45 
To: KWLUG discussion<kwlug-disc at kwlug.org>
Subject: Re: [kwlug-disc] NFS slow ...

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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