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[bgl-discuss] File descriptor limits?



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

Is there a way to increase this?

I did find this at http://www.fz-juelich.de/zam/ibm-bgl/usage/FAQ/ V1R1M0 :

What are the user relevant improvements in BG/L software V1R1M0 ?


Optimized Allgather and Allgatherv in co-processor mode.
Increased file descriptor limit in ciodb to 2048.
Added support to allow running of multiple jobs on same partition without reboot of either I/O or compute nodes. In particular, one will be able to run a job in virtual node mode right afterrunning a job in coprocessor mode.
Improve performance of core file generation.

--bob

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