Sunday, 12 September 2021

oracle : Scheduling ASH reports through Crontab

I was asked to capture ASH reports every 5 minutes for an ongoing Database issue. Below is the process to schedule it through Crontab


Script to capture the ASH reports every 5 Minutes


$ cat ash.ksh

#!/bin/bash

export TZ=US/Central

dateString=`date +%d-%b-%Y_%H:%M:%S`

sqlplus -s / as sysdba << EOD1

define report_type = 'html'

define begin_time = '-5'

define duration = ''

define report_name = '/u01/user/local/reports/ashrpt.${dateString}.html'

@?/rdbms/admin/ashrpt

exit

EOF



To run it through Cron

0,5,10,15,20,22,25,30,32,35,40,45,50,55 * * * * /u01/user/local/ash/ash.ksh > /u01/user/local/reports/log/ash_collect.log 1>/dev/null 2>&1


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