MAXDB 7.9 CPU usage 400%

Hi,

after a Database Upgrade 7.7 to 7.9 user SDB need over 400 % CPU Usage  (SLES11 SP1)

This is what TOP say:

  PID USER      PR  NI  VIRT  RES  SHR S   %CPU %MEM    TIME+  COMMAND

5720 sdb       20   0 6167m 1.6g  54m S    468 10.3 235:33.23 kernel

do anybody know this Problem ?

Thanks

Steven