Re: [bgl-discuss] File descriptor limits?

[Kamil Iskra <iskra@xxxxxxxxxxx>]

On Tue, Mar 14, 2006 at 11:30:22 -0600, Robert Olson wrote:

> The mpiBLAST code is opening up a bunch of files on the nodes, and is  
> apparently running into a 100 file descriptor limit.

Hmmm...  Looks like there is a per-process limit on the compute node kernel
side.

> Is there a way to increase this?

Unlikely.  The compute node kernel is not tunable...

> >What are the user relevant improvements in BG/L software V1R1M0 ?
> >
> >Increased file descriptor limit in ciodb to 2048.

That's unrelated.  ciodb is a management process running on the service
node.  It has nothing to do with files open by MPI applications.

Kamil

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