Page History

...

This solution works well when stopped gateway senders are not to remain in that state for a long time, e.g., when they are stopped but in the process of starting. But, if a gateway sender is stopped (for example using gfsh) to be left in that state for some time, the incoming events reaching the primary gateway senders sender will be stored in the mentioned member variable of AbstractGatewaySender and could eventually will provoke a heap exhaustion error. Moreover, dropped events stored while the gateway sender is stopped will not be queued by secondary gateway senders which makes the storing of the dropped events in the primary gateway sender unnecessary.

...