Files
oracle/vdh/top_redo_generators.sql
2026-03-12 21:23:47 +01:00

30 lines
1.0 KiB
SQL

set linesize 150
set pages 9999
column sid format 9999
column serial# format 99999
column name format a20
column username format a15
column logon format a20
column idle format a10
column value format 9G999G999G999
column program format a50
select sid, serial#, username, program, name, value, logon, idle
from ( select sess.sid, sess.serial#, sess.username, program, statn.name, sesst.value,
to_char(sess.logon_time, 'DD/MM/YYYY HH24:MI:SS') logon,
floor(sess.last_call_et/3600)||':'|| floor(mod(sess.last_call_et,3600)/60)||':'|| mod(mod(sess.last_call_et,3600),60) idle,
row_number() over
( partition by statn.name
order by sesst.value desc
) rn
from v$session sess, v$sesstat sesst, v$statname statn
where sess.sid = sesst.sid
and sesst.statistic# = statn.statistic#
and statn.name in
('redo blocks written', 'redo size', 'redo wastage')
and sesst.value > 0
)
where rn <= 5
order by name, value desc;