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Re: nfs write speed performance... still
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: nfs write speed performance... still
- From: Antoine Jacoutot <ajacoutot_(_at_)_lphp_(_dot_)_org>
- Date: Fri, 5 Nov 2004 18:19:19 +0100
On Friday 05 November 2004 17:21, you wrote:
All right people.
First, I want to thank everybody who tried to help me with this issue, I got a
lot of responses, I really appreciate. I also got a mail from M. Theo who
told me that this problem was xl driver specific, I really thank him for
Now, I switched network cards, and for now, the best speed I get is with a dc
card on the nfs server and a vr card on the client (I also tried with a dc on
the client but the performance was not as good).
Here is the card info for the server:
dc0 at pci3 dev 4 function 0 "DEC 21142/3" rev 0x41: irq 10, address
nsphyter0 at dc0 phy 1: DP83843 10/100 media interface, rev. 0
The read speed did improve (around 5 to 6 Mb), but this was no the problem.
But now the write speed is even worse :(
It is so slow and blocking that I can't even do a 'ls' in NFS share while
writing to another.
$ du -ch file.test
--> write from openbsd_nfs_client to openbsd_nfs_server
126.87s real 0.01s user 0.95s system => before: 102.43s real
I though this could be because of bad cables... I switched them.
I though this could be because of a bad switch... I tested transfers using a
Somebody questioned my setup, and I totally agree... but where should I look ?
To me, everything looks fine.
Thanks a lot.
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