How to debug 100x variance in writing the same file?

Andrew Bartlett abartlet at
Sat Jan 22 09:17:54 GMT 2005

On Fri, 2005-01-21 at 21:59 -0800, John Gerth wrote:

>   Interesting...there's clearly going to be some learning curve here as
>   I'll also have to look at traces of non-delayed writes to become familiar
>   with normal behavior.

I would first suggest looking at your network activity pattern, then
decide what's causing it.  If you configure ethereal to show the time
between packets, this can pinpoint the trouble-spot very easily.

Issues such as locking, oplocks and the like may also be playing a part
(and potentially the delaying of these packets due to an underlying
network fault, as has been suggested).

Andrew Bartlett

Andrew Bartlett                      
Authentication Developer, Samba Team 
Student Network Administrator, Hawker College
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