How many processes can I have?

From: Mark Schubert (Mark.Schubert_at_cogita.com.au)
Date: 09/09/04

  • Next message: Dr. Hans Ekkehard Plesser: "SUMMARY: ssh attacks" 
    Date: Thu, 09 Sep 2004 17:09:36 +1200
To: "'tru64-unix-managers@ornl.gov'" <tru64-unix-managers@ornl.gov>

    Does anyone know how you can determine the maximum number of processes
    allowed on one node of a V5.1B 2-node cluster? I understand that the process
    table size is determined from the maxusers kernel parameter.
     
    We recently ran out of processes on one of the nodes. maxusers was set to
    1024 and we got the following error in /var/adm/messages:
    vmunix: pid table is full
     
    Maxusers was then increased to 2048 and we got the following message in
    /var/adm/messages
    vmunix: expanded pid table from 32768 to 65536
     
    So, that means the pid table was 32768 to begin with, but what does that
    translate to in terms of number of allowed processes? We seemed to come
    unstuck at about 500 processes.
     
    TIA,
    Mark.

  • Next message: Dr. Hans Ekkehard Plesser: "SUMMARY: ssh attacks"