This can usually be found on Twitter.
If you're ever running MPICH or mpirun or whatever, and you see errors regarding your semaphores, something like:
p4_error: semget failed for setnum: 0
This means you are running out of semaphores. The answer? Simple: run the
cleanipcsprogram to clean up your semaphores on every one of your cluster servers.
So it goes.
Labels: cleanipcs, mpich, mpirun
This post was posted by Unknown at 4:53 pm
"A beach house," he said, "doesn't even have to be on the beach. Though the best ones are. We all like to congregate," he went on, "at boundary conditions". "Really?" said Arthur. "Where land meets water. Where earth meets air. Where body meets mind. Where space meets time. We like to be on one side, and look at the other."