This event occurs when a session requests a buffer that is currently being read into the buffer cache by another session. Prior to release 10.1, waits for this event were grouped with the other reasons for waiting for buffers under the ‘buffer busy waits’ event.
Wait Time: Time waited for the buffer to be read by the other session (in microseconds)
| Parameter | Description |
|---|---|
| file# | See “file#” |
| block# | See “block#” |
| class# | See “class” |
Oracle Database Internal Mechanism 