hazelcast/hazelcast — pull request #1553 by mdogan (2014-01-13 07:50:11+00:00)
Title: ClusterService scheduled tasks (heartbeater, split-brain handler etc) should run on their own executor.

ClusterService scheduled tasks (heartbeater, split-brain handler etc) should run on their own executor. Otherwise when common scheduled executor stalls becuase of other tasks (mapstore etc), cluster tasks are delayed and that causes instabilities.