16 lines
290 B
SQL
16 lines
290 B
SQL
SELECT
|
|
POWER(2, TRUNC(LOG(2,NULLIF(time_waited,0)))) up_to_microsec
|
|
, COUNT(*)
|
|
, SUM(time_waited)
|
|
, MAX(time_waited)
|
|
FROM
|
|
v$active_session_history a
|
|
WHERE
|
|
a.event = 'log file sync'
|
|
GROUP BY
|
|
POWER(2, TRUNC(LOG(2,NULLIF(time_waited,0))))
|
|
ORDER BY
|
|
up_to_microsec
|
|
/
|
|
|