[Samba] Vista client / Linux server - high browsing latency

Jay L. T. Cornwall jay at esuna.co.uk
Mon Jun 11 00:31:20 GMT 2007

Hash: SHA1

Aravinda Guzzar wrote:

> You can do the similar tracing on the client side using
> ethereal/wireshark. Filter out for smb packets and see which smb
> request/response is taking maximum time, to track down the problem.

Thanks for the tip. I did a packet capture when the share was working
quickly and when it had slowed down again following a reboot.

Now I'm a bit confused. Both traces show roughly the same number of
packets and the server response time is about the same in both cases
(somewhere between 0.1 and 0.2ms on average). However in the slower
trace, the time between the client receiving a response and sending its
next request is much larger - about 15ms versus 0.2ms.

It would appear, then, that the Samba server isn't at fault. The client
is experiencing long delays between submitting requests; which seems to
fix itself following some pattern of usage that I haven't yet figured out.

How weird. :S

- --
Jay L. T. Cornwall, http://www.esuna.co.uk/~jay/
PhD Student
Imperial College London
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