hi Chris
just remembered one thing
check in your gftp server
cat /opt/globus/etc/gridftp.conf
connections_max 500 <--- this one is mine
cheers
Mario
On Fri, 2010-03-26 at 18:15 +0100, Maarten Litmaath wrote:
> Hi Chris,
>
> >> AS DTEAM TO se03.esc.qmul.ac.uk <http://se03.esc.qmul.ac.uk> (STORM)
> >>
> >> for 98 roughly parallel transfers:
> >>
> >> 49 FAILED - Connection Timed Out
> >> 49 SUCCESS - Took
> >>
> >
> > So it looks like you hit the 50 simultaneous GridFTP connection limit
> > (with presumably one other connection elsewhere).
> >
> > I actually thought I'd raised this to 100, but clearly wasn't
> > successful. Is there a recommended number of connections?
>
> It depends on your infrastructure: you would have to judge what the
> maximum number is that your services and network can support.
>
> If a VO that you support hits the limit too often, it would need to
> make its work flows more intelligent, while you might plan for the
> expansion, upgrade or reconfiguration of resources that manifest
> themselves as bottlenecks.
>
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