(adjustPoolSize: StringAdd).self
(adjustPoolSize: StringFormat).self
(adjustPoolSize: ArrowAssoc[AdjustPoolSize]).x
(Since version 2.10.0) Use leftOfArrow instead
(adjustPoolSize: Ensuring[AdjustPoolSize]).x
(Since version 2.10.0) Use resultOfEnsuring instead
Increase or decrease the number of routees in a Pool. It may be handled after other messages.
Positive
changewill add that number of routees to the Pool. Negativechangewill remove that number of routees from the Pool. Routees are stopped by sending a akka.actor.PoisonPill to the routee. Precautions are taken reduce the risk of dropping messages that are concurrently being routed to the removed routee, but it is not guaranteed that messages are not lost.