Solution : https://service.sap.com/sap/support/notes/1423935 (SAP Service marketplace login required)
Key words : 
database analyzer analysis interval set cpu load settings, higher sap maxdb/livecache core layers, task manager -> activate db time measurement, sap maxdb/livecache memory management, small database analyzer analysis interval, general log file dban, dbmcli db_cons time enable 6, smallest db analyzer interval, sap ma patch level, sap ma/livecache documentation
Related Notes : 
       
| 1691121 | FAQ: SAP MaxDB Resource monitor | 
| 1680854 | Database Analyzer: LOGQUE | 
| 869267 | FAQ: SAP MaxDB log area |