Writing redo records to the redo log files from the log buffer.
Wait Time: Time it takes for the I/Os to complete. Even though redo records are written in parallel, the parallel write is not complete until the last I/O is on disk.
| Parameter | Description |
|---|---|
| files | Number of files to be written |
| blocks | Number of blocks to be written |
| requests | Number of I/O requests |
Oracle Database Internal Mechanism 