requirement for the Maintenance Rules in Event Management.
As per the requirement, the end users should be able to submit the request with configuration items for maintenance along with the planned start date and planned end date.
To fulfill this, client intends to utilize the maintenance schedule.
This request is not coming through change management process at all, but as a maintenance schedule only.
The out of the box scheduled job execute every minute to query the maintenance rule, hence recommended to not have the advance script with excessive code maintenance rule which goes through the maintenance schedule and the schedule entries returning the array of the configuration items within planned start and end date as it would have the performance impact on the overall instance.
Proposed Solution :
A new custom schedule executes every five minutes (through flow designer or scheduled job) which queries the configuration items within the maintenance schedule window as per current date and time and populates the dynamic group.
Configure the new maintenance rule while queries the CMDB group and returns the Configuration items within the group.
Would appreciate the opinions from the community for the performance impact on the instance in production with this solution when we have numerous maintenance schedules configured.
