Tuning the Oracle Log Buffer Size

The below link is good reference for Tuning Log Buffer Size:

http://www.ixora.com.au/tips/tuning/log_buffer_size.htm

It explained in detail of:

- How is log buffer space used?

- When does LGWR write?

- What if the log buffer is too small?

- Can the log buffer be too big?

- How to Setting_log_io_size