[GE users] Why qmon pending jobs WHY? Browser sometimes is empty

lukacm at pdx.edu lukacm at pdx.edu
Wed May 4 17:21:43 BST 2005


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Hello,

i am not sure this is related directly to SGE but as i know here is the utility
cleanpics , this might be the right place to ask.

After finnishing some jobs i did cluster-fork ipcs and saww that most of
computing nodes have somehting like this:

------ Shared Memory Segments --------
key        shmid      owner      perms      bytes      nattch     status
0x00000000 458752     submitter 600        4194304    0
0x00000000 524290     submitter 600        4194304    0
0x00000000 557059     submitter 600        4194304    0
0x00000000 589828     submitter 600        4194304    0

------ Semaphore Arrays --------
key        semid      owner      perms      nsems
0x00000000 3604480    apache    600        1
0x00000000 3637249    apache    600        1
0x00000000 9863170    submitter 600        10
0x00000000 9895939    submitter 600        10
0x00000000 9928708    submitter 600        10
0x00000000 9961477    submitter 600        10


now there is much more of those submitter allocated semaphores. I tried to run
cleanpics but nothing happens. The only result i saw was by directly applying
ipcrm but it takes ages. Is there another way how to easily remove those
semaphores and shared memory segs?

thank you

martin

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