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2821023 - How is shared memory allocated when increased on a running ASE server - SAP ASE


How will ASE behave under the following circumstances:

  1. Log into a Unix box with a project with memory set at 6 GB.
    sp_configure 'max memory', 0, '6G'
  2. Create a Sybase server with max memory of 6 GB and allocated all that 6 GB to the server.
  3. Start ASE with that configuration.
  4. Now connect to Sybase and increase max memory to 8 GB.
  5. Shut down and Restart ASE.
    • Does the instance come up with 8 GB even though project is set to 6 GB?
    • If so, does ipcs show two shared memory segments?
    • If the OS does not allocate the extra 2 GB memory to ASE; does it matter to the startup process? 
    • Will the startup process not care how the max memory is set?



  • SAP Adaptive Server Enterprise
  • UNIX operating systems


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0


KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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