[clug] samba performance [actually cifs is slow]

tridge at samba.org tridge at samba.org
Tue Apr 28 10:14:28 GMT 2009

Hi Eyal,

> I now confirmed that smbclient gives a reasonable performance, it is the cifs
> mount that is slow.

You haven't mentioned what cifs mount options you have used. What is
shown in /proc/mounts for the filesystem? What kernel?

If you've found a real performance problem for the cifsfs filesystem
client then Steve French may want to know about it (he is the cifsfs
maintainer). First you should get a wireshark sniff though and see if
there are any obvious reasons that show up.

cifsfs should easily be able to saturate the wire at gigabit speeds,
unless you have a high latency network.

Cheers, Tridge

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