notifyHeartbeat in some non-heartbeat events
diff --git a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/util/PregelixHyracksIntegrationUtil.java b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/util/PregelixHyracksIntegrationUtil.java
index 279de61..76a9562 100644
--- a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/util/PregelixHyracksIntegrationUtil.java
+++ b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/util/PregelixHyracksIntegrationUtil.java
@@ -62,7 +62,7 @@
         ccConfig.jobHistorySize = 1;
         ccConfig.profileDumpPeriod = -1;
         ccConfig.heartbeatPeriod = 1000;
-        ccConfig.maxHeartbeatLapsePeriods = 10;
+        ccConfig.maxHeartbeatLapsePeriods = 15;
         
         // cluster controller
         cc = new ClusterControllerService(ccConfig);