If you see a pin hit ratio of less than 0.8 in the estat library cache report is this a problem?
This indicate that the shared pool may be too small. Increase the shared pool size. 10. If you see the value for reloads is high in the estat library cache report is this a matter for concern Yes, you should strive for zero reloads if possible. If you see excessive reloads then increase the size of the shared pool.