I once ran into an instance where the Unix admins didn’t believe me that i was running out of shared memory despite the errors, I was showing them. I wrote this perl script to allocate chunks of shared memory until it failed to prove to them that yes, regardless of what you have the global [...]

Sometimes you may see core dumps, etc related to lack of shared memory. To check to see how much is currently being used you can use the below command: kerrd@vexbert<10> ipcs -bm IPC status from as of Thu Oct 30 10:42:06 PDT 2008 T ID KEY MODE OWNER GROUP SEGSZ Shared Memory: m 1493172237 0x32d14fb8 [...]