By default, Watcher uses a default throttle period of 5 seconds. You can override this for particular actions by setting the throttle period in the action. You can also define a throttle period on the watch level that will serve as a default period for all those actions that don’t specify a throttle period themselves.
To change the default throttle period for all actions that are not configured with a
throttle period neither on the action level nor the watch level, you configure the
watcher.execution.default_throttle_period setting in
For example, to set the default throttle period to 15 minutes, add the following entry
elasticsearch.yml file and restart Elasticsearch: