You have observed that ADS uses max. 50% of available system memory. There should be an option for ADS to use more memory if needed.
SAP Advantage Database Server (ADS) 12
SAP ADS 11
Sybase, MAX_CACHE_MEMORY , KBA , BC-SYB-ADS , ADS (Advantage Database Server) , How To
About this pageThis is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).
Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.