On Thu, Jul 23, 2009 at 3:30 AM, Dotan Barak <[email protected]> wrote:
> On Wed, Jul 22, 2009 at 9:05 PM, Sean Hefty<[email protected]> wrote: > >>Is there an explicit limit on the number of ports that can be listening > using > >>rdma_cm? > > > > There's no inherent limit built into the code. > > > Maybe this limitation is being caused by the ulimit > ("ulimit -n" produced 1024 for my system). > > Try changing this value. > I first had problems with a system where ulimit -n showed 65536 I get the same 894 maximum when ulimit -n is set to 512 or 1024. This is not a per-process limitation, as the first 894 processes don't have any problems. There are no problems starting the required number of processes. This is some kind of limit imposed by the way rdma_create_event_channel works. Dave
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