Remove a component

Metrics related to a component that has been removed (either directly or indirectly) are removed as part of the scheduled daily clean-up process for metrics. They are not visible once the component has been removed but may remain in the persistence storage until the clean-up process has run.

Agent

Conditions

Only agents that have never contacted the server or where the agent cleanup safe-period has been exceeded since last contact, can be removed.

agent cleanup safe-period can be set with the topology.agent.cleanup.safe-period application property.

The default value is PT1H.

Trigger location

Agents listing in Global Settings

agents remove hover

Related components that will be removed

  • All Instances monitored by this agent.

  • All Database instances belonging to instances monitored by this agent.

  • Any databases that will no longer have any database instances.

  • Any DBMSs that will no longer contain any instances.

Instance

Conditions

It is only possible to remove instances that have been offline for longer than the instance cleanup safe-period.

instance cleanup safe-period can be set with the topology.instance.cleanup.safe-period application property.

The default value is PT1H.

Trigger location

  1. Context menu for instance node in Status panel

status panel remove instance

Related components that will be removed

  • All Database instances belonging to this instance.

  • Any databases that will no longer have any database instances.

  • Any DBMSs that will no longer contain any instances.

DBMS

Conditions

It is only possible to remove a DBMS if all of its instances have been offline for longer than the instance cleanup safe-period.

instance cleanup safe-period can be set with the topology.database-instance.cleanup.safe-period application property.

The default value is PT1H.

Trigger location

  1. Context menu for DBMS node in Status panel

status panel remove dbms

Related components that will be removed

  • All Instances belonging to this DBMS.

  • All Database instances belonging to this DBMS.

  • All databases belonging to this DBMS.

Database Instance

Conditions

It is only possible to remove a database instance if the time passed since the logical database was dropped exceeds the database instance cleanup safe-period.

database instance cleanup safe-period can be set with the topology.instance.cleanup.safe-period application property.

The default value is PT1H.

Trigger location

  1. Context menu for Intance Database in Status panel

status panel show dbs
status panel remove db instance

Related components that will be removed

  • Any databases that will no longer have any database instances.