int totalKilledTaskCount = 0;
readLock.lock();
try {
for(Map.Entry<String, Vertex> entry : vertexMap.entrySet()) {
ProgressBuilder progress = entry.getValue().getVertexProgress();
status.addVertexProgress(entry.getKey(), progress);
totalTaskCount += progress.getTotalTaskCount();
totalSucceededTaskCount += progress.getSucceededTaskCount();
totalRunningTaskCount += progress.getRunningTaskCount();
totalFailedTaskCount += progress.getFailedTaskCount();
totalKilledTaskCount += progress.getKilledTaskCount();