Solution : https://service.sap.com/sap/support/notes/662479 (SAP Service marketplace login required)
Key words :
runstats, statistics, dmdb6srp, BW
SAP Note 662479 - DB6: dmdb6srp,dmdb6rts changed default Runstats Level
Component : CCMS/Database Monitors for DB2 Universal Database - DB2 Universal Database for Unix / NT