Hi, I am trying to setup my open-mpi application to run under grid.
It works sometimes, but sometimes I get the below error. I have contacted my grid site administrator and the message from them is that they cannot change the TMPDIR path used in the grid configuration. I have tried setting TNPDIR, but it does not help (probably because grid engine resets it). What other alternatives do I have? One other curious question is that why does open-mpi creates such a large name? I understand that part of this path is dependent on TMPDIR value, but even after that it adds additional unnecessary characters like “openmpi-sessions-<5 digit number>@<machine name>_0/<another 5 digit number>”, which could have been shortened to something like “omp-<5 digit number>@<machine name>_0/<5 digit number>” and saving 14 characters (almost 15% of possible length). Thanks, Vipul PMIx has detected a temporary directory name that results in a path that is too long for the Unix domain socket: Temp dir: /var/spool/sge/wv2/tmp/<9 digit grid job id>.1.<16 character queuename>.q/openmpi-sessions-43757@<12<mailto:.q/openmpi-sessions-43757@%3c12> character machine name>_0/50671 Try setting your TMPDIR environmental variable to point to something shorter in length
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