/** Update metrics for alive/dead nodes. */
private void setAliveDeadMetrics() {
clusterManager.getMetrics().setAliveNodes(nameToNode.size());
int totalHosts = hostsReader.getHosts().size();
if (totalHosts > 0) {
clusterManager.getMetrics().setDeadNodes(totalHosts - nameToNode.size());
}
}
/** @return The total number of configured hosts. */
public int getTotalNodeCount() {
return hostsReader.getHosts().size();
}