Files
oracle/timhall/monitoring/redo_by_hour.sql
2026-03-12 21:23:47 +01:00

24 lines
909 B
MySQL

-- -----------------------------------------------------------------------------------
-- File Name : https://oracle-base.com/dba/monitoring/redo_by_hour.sql
-- Author : Tim Hall
-- Description : Lists the volume of archived redo by hour for the specified day.
-- Call Syntax : @redo_by_hour (day 0=Today, 1=Yesterday etc.)
-- Requirements : Access to the v$views.
-- Last Modified: 11/10/2013
-- -----------------------------------------------------------------------------------
SET VERIFY OFF PAGESIZE 30
WITH hours AS (
SELECT TRUNC(SYSDATE) - &1 + ((level-1)/24) AS hours
FROM dual
CONNECT BY level < = 24
)
SELECT h.hours AS date_hour,
ROUND(SUM(blocks * block_size)/1024/1024/1024,2) size_gb
FROM hours h
LEFT OUTER JOIN v$archived_log al ON h.hours = TRUNC(al.first_time, 'HH24')
GROUP BY h.hours
ORDER BY h.hours;
SET VERIFY ON PAGESIZE 14