Solution : https://service.sap.com/sap/support/notes/687696 (SAP Service marketplace login required)
Key words : 
minimum data volume size displayed, abap system > deciding usage, scm central instance               start, call transaction lc10 -> 'livecache, source releases lca routines, transaction lc10 assessment report, lca build/livecache combination, monitoring' -> administration -> operating, assessment reports maintained, db server variant
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