ST02: Tune Summary on Application Server – AS ABAP (APP)

Buffers► There must be no swaps

on SAP buffers check free space and free directory entries

► Constant number of database accesses (steady state)

► No invalidations (not counted as swaps!)

ST02: Table Call Statistics (directly via ST10) – AS ABAP (APP)

Buffer State = valid

Optimal: No invalidations

Acceptable: Ratio of invalidations to reads is <1% (◄)

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ST02: Tune Summary, Memory Quality –AS ABAP (APP)

SAP memory = User contexts MaxUse < In Mem Autoextend on some OS up to

em/max_size_MBWindows, Linux 32bit

Check Use SM04 to determine the top

memory consumers observe growth, may be memory leak

"Old sessions" adjust timeout parameter for user or plugins

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