I wonder why I have a CPU 100% constantly?

My Stats are:

Database header page information:
Flags 0
Checksum 12345
Generation 1081940
Page size 16384
ODS version 11.0
Oldest transaction 1042598
Oldest active 1042599
Oldest snapshot 890039
Next transaction 1081928
Bumped transaction 1
Sequence number 0
Next attachment ID 0
Implementation ID 24
Shadow count 0
Page buffers 62256
Next header page 0
Database dialect 3
Creation date Nov 30, 2006 20:56:51
Attributes force write

Variable header data:
Sweep interval: 20000