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Thursday, February 5, 2009

SAP Recognizing and Correcting Problems

If the aforementioned requirements are fulfilled, the memory management system should function without any problems.

However, if problems should occur, they are probably very serious. System performance will be noticeably reduced, enabling you to recognize the problem relatively easily.

Often, to solve the problem, you will have to increase the swap space, or change the size of the roll and paging buffers.

This is described in the following sections:


  • Changing the Size of the Roll and Paging Buffers (only UNIX / NT)

  • Preventing Swap Space Bottlenecks (only UNIX /NT)

Potential problems and their solutions are described in the following sections:


  • Insufficient Swap Space Already at System Startup

  • Start or Enqueue Problems or No Connection to Program SAPOSCOL under IBM AIX

  • Swap Space Bottlenecks During R/3 Operation

  • Background Jobs or Update Process Canceled due to Insufficient Swap Space

  • Background Processing Problems due to Segment Size Limitations, Especially in Operating System IBM AIX

  • Memory Allocation Problems under OSF/1 from DEC

  • Slow Response Times on the R/3 Application and Operating System Level

  • Slow Response Times for certain Users, Very Good Response Times for other Users

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