While checking the Timeline in the page side rail in the Touch UI you can observe that some pages are published by webservice-support-replication user.
Custom replication listeners also pick up these page publish / replication events.
What product feature is generating these replications?
Replication from the webservice-support-replication user originates from a replication listener com.day.cq.wcm.webservicesupport.impl.ReplicationEventListener. This listener flushes subresources on Dispatcher for resources using Cloud Services.
The listener listens to replication events and handles invalidation of children and referenced pages. Invalidation is forced by issuing a replication on the flush agents.
There are two cases where related resources need to be invalidated:
This may cause performance issues or affect your application. As a solution, review the options below.
Disable flush agent status updates and versioning to lessen performance hit
To lessen the performance impact of such flush requests, disable versioning and status updates on flush replications:
Disable the OSGi component that triggers these replications
Disabling this feature would be an alternative to the above two solutions.