Solution : https://service.sap.com/sap/support/notes/762808 (SAP Service marketplace login required)
Key words :
terms frequently asked questions, extremely fast response times, correct access path corrupt, maximum size - rough rule, additionally required main memory, recycle pool plays practically, minimum size - rough rule, 'oracle blocks'>db_block_lru_latches = <current, additional main memory requirements, table/index blocks buffered
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