Hi, Am 26.07.2019 um 21:12 schrieb Kulshrestha, Vipul via users:
> 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@<12character machine name>_0/50671 Personally I find it quite unusual to have the scratch directory being located in /var. Often it's a plain /scratch. Could a symbolic link help? I mean: create it in /tmp and point it to /var/spool/sge/wv2/tmp/<9 digit grid job id>.1.<16 character queuename>.q Then /tmp/$(mktemp -u XXXX) could be shorter which you define as TMPDIR before starting `mpiexec`. === If it happens only occasionally, maybe it depends on the length of the hostname where it's running on? If the admin are nice, the could define a symbolic link directly as /scratch pointing to /var/spool/sge/wv2/tmp and setup in the queue configuration /scratch as being TMPDIR. Effect and location like now, but safes some characters -- Reuti _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
