Hi @icxamit,
there is no setting since it’s not possible to guarantee a consistent delay. Lagom Read Side processors (and TopicProducer's) start a thread that polls the database. This polling strategy varies depending on the Akka Persistence Plugin (Cassandra, Couchbase, JDBC) implementation that you use.
In most cases (if not all), it’s possible that threads polling need to add a synthetic wait because the query finds a logical gap on the journal stream so a small wait is necessary while data sync’s across the nodes on the DB cluster.
Cheers,