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Subject: Re: [OMPI users] Linpack Benchmark and File Descriptor Limits
From: John Hearns (hearnsj_at_[hidden])
Date: 2008-09-18 19:35:59


2008/9/18 Alex Wolfe <awolfe_at_[hidden]>

> Hello,
>
> I am trying to run the HPL benchmarking software on a new 1024 core cluster
> that we have set up. Unfortunately I'm hitting the "mca_oob_tcp_accept:
> accept() failed: Too many open files (24)" error known in verson 1.2 of
> openmpi. No matter what I set the file-descriptor limit for my account to, I
> am still limited to only 808 or so processes. Does anyone have any
> suggestions?
>
Are you running the Linpack via a batch system or just using mpirun from the
command line?

If via a batch system, looks for FAQs on how to set the resource limits for
that batch system.