what is the difference between
buffer busy waits events and
free buffer waits in Oracle database?
select *
from
v$system_event
where
event like ‘%wait%’;
EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT
--------------------------- ----------- -------------- ----------- ------------
buffer busy waits 636528 1557 549700 .863591232
write complete waits 1193 0 14799 12.4048617
free buffer waits 1601 0 622 .388507183