This is a discussion on Re: [Samba] samba 3 performance issues - Samba ; Hi, The tests were done with BartPE/WindowsXP and with Knoppix 4.0 and smbmount. Would smbmount perform much different than smbclient? I can certainly repeat the test using a different client tomorrow. The Celeron CPU may very well be our problem. ...
The tests were done with BartPE/WindowsXP and with Knoppix 4.0 and
smbmount. Would smbmount perform much different than smbclient?
I can certainly repeat the test using a different client tomorrow.
The Celeron CPU may very well be our problem. I wish it were a simple
misconfiguration and not a hardware issue.
Jeremy Allison wrote:
> On Thu, Mar 30, 2006 at 01:52:29PM -0500, Rohit Kumar Mehta wrote:
>>I believe I have some hardware or configuration related performance
>>issues running samba 3.0.14a-3sarge.
>>Our server is an Intel Celeron 2 Ghz with 512 MB of RAM and a 3ware
>>card using SATA disks in a RAID 5 configuration (3ware controller card).
>> We have a gigabit network and are using Intel Gigabit ethernet cards
>>When copying large files to the samba shares on the system, the transfer
>>rate maxes out near 100 mb/s. We tested with nttcp and were able to get
>>speeds of nearly 800mb/s. So I think it is safe to conclude this is not
>>a network issue.
>>Various tools like top, xosview and mpstat convinced us that we are
>>bound in the CPU. Stopping the samba file transfer and the cpu idle time
>>exceeds 90%. We are convinced that our CPU is the bottleneck,
>>but not sure why.
> Have you tried transferring the files using smbclient ? That will
> tell you if it's a Windows client issue. I'm assuming you're using
> Windows clients although you didn't give that information in your
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