atlassian/hazelcast — pull request #25 by cszmajda (2014-11-20 20:16:54+00:00)
Title: ADM-62937 Make heartbeater resilient to clock tampering.

If the system clock changes by more than the heartbeat interval (default 1000ms)
between heartbeats, then compensate for this one-off difference before removing
members from the cluster. Also log a warning if the clock jump is > 5000ms.