On 07/10/2012 03:47 PM, Rayson Ho wrote:
The number of file descriptors is not part of the queue limit, see the
message I sent to the list 2 months ago:
http://gridengine.org/pipermail/users/2012-May/003705.html
If you really have a real use-case for setting the # of descriptors in
the queue config, then let us know and we can implement that in OGS/GE
(... when time permits).
Rayson
Well... I have an engineer here who want to run a 2048 core job. When
he tries, he gets this error:
Fatal error in MPI_Send: Other MPI error, error stack:
MPI_Send(173)....................: MPI_Send(buf=0x1edfe380, count=20, MPI_CHAR,
dest=1040, tag=31, comm=0x84000004) failed
MPIDI_EagerContigSend(186).......: failure occurred while attempting to send an
eager message
MPID_nem_tcp_iStartContigMsg(298):
MPID_nem_tcp_connect(849)........: unable to create a socket, Too many open
files (errno 24)
Fatal error in MPI_Send: Other MPI error, error stack:
MPI_Send(173)....................: MPI_Send(buf=0x2b2304159010, count=20, MPI_CHAR, dest=1039, tag=31, comm=0x84000004)
failed
MPIDI_EagerContigSend(186).......: failure occurred while attempting to send an
eager message
MPID_nem_tcp_iStartContigMsg(298):
MPID_nem_tcp_connect(849)........: unable to create a socket, Too many open
files (errno 24)
The "Too many open files" error makes me think I need to up
the number of descriptors available, but if there is some other
solution, I'd love to hear it. (This particular engineer's
job runs fine with core numbers up to about 1500-1600, but when
he tries 2048, it bombs with this error every time.)
JY
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