Item | Description | Evaluation |
|---|---|---|
Number of times the shared buffer was used up | The number of times that no unused buffers were available. | Fine-tune the shared buffer. |
Shared buffer hit rate | The rate at which the shared buffer was hit (%). | Fine-tune the shared buffer. Note that when application programs that mainly access a wide area of the table are executed without the addition of indexes, the on-buffer hit rate will become 0% or something similar, but this does not indicate a problem. |