maxConcurrency property
The maximum number of targets allowed to run the association at the same time. You can specify a number, for example 10, or a percentage of the target set, for example 10%. The default value is 100%, which means all targets run the association at the same time.
If a new instance starts and attempts to run an association while Systems Manager is running MaxConcurrency associations, the association is allowed to run. During the next association interval, the new instance will process its association within the limit specified for MaxConcurrency.
Implementation
final String? maxConcurrency;