SAP ST02 TUNING

ST02 ST 02:: Tune Tune Summary on Appl Ap plicati ication on Se Server rver – A –  AS S ABA AB A P (APP)

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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 vi a 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 Quali ty –  AS ABAP (APP) SAP memory = User contexts MaxUse < In Mem   Autoextend on some OS up to em/max_size_MB Windows, Linux 32bit 

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Use SM04 to determine the top memory consumers  observe growth, may be memory leak "Old sessions"  adjust timeout parameter for user or plugins