Comparison of class 1 and class 2 times

The ratio of class 1 and class 2 times indicate whether a potential problem lies in DB2.

A difference of roughly 10% in these times is normal.

If the class 2 elapsed time is less than half of the class 1 elapsed time, the problem is not with DB2. Possible causes include:

• OS/390®
• CICS®
• IMS
• Other programs

If the difference between the class 1 and class 2 elapsed times is somewhere between 10% and 50%, the problem lies somewhere in DB2. Verify the class 2 times.