[Samba] performance regression between 30.14a and 3.0.20

[Greg Dickie]

Yes, it is the win32 version, but its an old one (1998), not sure how
the config file will carry to a more recent version.

 
IOmeter Access specifications:
    Transfer req. size = 64Kb & 8Kb
    Percent of Access Specification = 100%
    Type of Operation: 100% read; 100% write; 50% read
    Percent Random/Sequential Distribution: 100% sequential
    Queue Depth = 8
    Reply Size: No Reply
    Burst Length = 25 I/Os
    Align I/Os on: 64Kb & 8Kb
    Ramp up Time = 30sec
    Run Time = 3 min
    # of clients used: 1 to 9 clients (Linear Stepping)


Note that the problem is visible with only one client.

The clients are GbE as is the server, not sure if you will see a
difference on 100BT.

Thank you very much for looking at this, please let me know if there is
anything I can do to help.

Regards,
Greg



On Thu, 2006-03-30 at 17:20 -0800, Jeremy Allison wrote:
> On Thu, Mar 30, 2006 at 08:04:21PM -0500, Greg Dickie wrote:
> > 
> > Hey Jeremy,
> > 
> > 
> >   This happens when testing under iometer. I can give you the exact
> > paramaters if you want.
> 
> That's the Win32 version ? If so, yes please the exact parameters
> would be extremely useful as I can reproduce this here.
> 
> Thanks,
> 
> 	Jeremy.
-- 
Greg Dickie
just a guy
Maximum Throughput
-------------- next part --------------
'Version 1998.10.08
'Access specifications
'Access specification name,default assignment
Read 100% 64k,1
'size,% of size,% reads,% random,delay,burst,align,reply
65536,100,100,0,0,25,65536,0
'Access specification name,default assignment
Write 100% 64k,1
'size,% of size,% reads,% random,delay,burst,align,reply
65536,100,0,0,0,25,65536,0
'Access specification name,default assignment
Read 50% 64k,1
'size,% of size,% reads,% random,delay,burst,align,reply
65536,100,50,0,0,25,65536,0
'Access specification name,default assignment
Read 100% 8k,1
'size,% of size,% reads,% random,delay,burst,align,reply
8192,100,100,0,0,25,8192,0
'Access specification name,default assignment
Write 100% 8k,1
'size,% of size,% reads,% random,delay,burst,align,reply
8192,100,0,0,0,25,8192,0
'Access specification name,default assignment
Read 50% 8k,1
'size,% of size,% reads,% random,delay,burst,align,reply
8192,100,50,0,0,25,8192,0
'End access specifications
'Test Setup
'Test Description

'Run Time
'      hours    minutes    seconds
          0          3          0
'Ramp Up Time (ms)
         30
'Default Disk Workers to Spawn
         -1
'Default Network Workers to Spawn
          0
'Record Results
          0
'Worker Cycling
'      start       step  step type
          1          1          0
'Disk Cycling
'      start       step  step type
          1          1          0
'Queue Depth Cycling
'      start        end       step  step type
          1         32          2          1
'Test Type
          4
'Version 1998.10.08