[Spread-users] Spread Performance

[William Isley]

I have 1 source of data.
I have 5 destincations.
I have 1 spread daemon.
All nodes are on the same subnet.

William


>From: Greg Shebert <gshebert at efs-us.com>
>To: William Isley <wmisley at hotmail.com>
>Subject: Re: [Spread-users] Spread Performance
>Date: Tue, 27 Apr 2004 13:50:00 -0500
>
>hi there
>
>can you give us more info on your setup... it sounds like you are
>limiting yourself by having only a single spread daemon...
>
>specifically,
>
>how many sources of data do you have?
>how many destinations do you have?
>how many spread daemons are participating?
>what is the underlying network topology?
>
>-greg-
>
>On Tue, 2004-04-27 at 13:29, William Isley wrote:
> > Hi Spread Group,
> >
> > I plan to use spread to reliably multicast Gigabytes of files to 40+
> > machines. I have tried several configurations, and with only 5 clients
> > receiving files (rebuilt from messages sent over Spread), the best data
> > throughput I can achieve is 3 MB/sec. I am required to achieve at least 
>6
> > MB/sec.
> >
> > I have tried running the Spread Daemon on a separate server, on the 
>message
> > sender, and a message receiver. I get the best performance with the 
>Spread
> > Daemon running on the message receiver. I am using the SAFE message
> > transport type, but have tried the UNRELIABLE message transport type 
>with
> > negligable performance gain.
> >
> > I have tried scheduling Spread to run with Realtime scheduling. The
> > performance gain was negligable. I am running all of this software on
> > Windows.
> >
> > I tried running the Spread Daemon on a dual Xeon processor machine. The
> > result is that the Spread clients loose there connection under heavy 
>load.
> > The other machines in the configuration single 1GHz processor machines.
> >
> > I need to squeeze more out of Spread than 3 MB/sec. The website 
>advertises 8
> > MB/sec. What can I do to better this performance? Are there any changes 
>I
> > can make to the Spread.conf file that will increase the performance? Is 
>it
> > possible to run multiple Spread Daemons? How to I configure this system 
>if
> > this is an option and what is the benefit?
> >
> > I have looked at TIBCO's SmartPGM, which is not viable due to cost. 
>JGroups
> > advertises performance below that of Spread.
> >
> > Any help from anyone would be apprecieate,
> >
> > William Isley
> > IMS Consultants
> > 1250 N. Lakeview Ave, Suite A
> > Anaheim, CA  92807
> > Phone:  (714) 693-3505, x21
> > E-mail: wmisley at imsconsultants.com
> >
> > _________________________________________________________________
> > From must-see cities to the best beaches, plan a getaway with the Spring
> > Travel Guide! http://special.msn.com/local/springtravel.armx
> >
> >
> > _______________________________________________
> > Spread-users mailing list
> > Spread-users at lists.spread.org
> > http://lists.spread.org/mailman/listinfo/spread-users
>

_________________________________________________________________
Test your ‘Travel Quotient’ and get the chance to win your dream trip! 
http://travel.msn.com