/** 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());
}
}
/**
* Blacklist a resource on a node.
*
* @param nodeName The node name
* @param resourceType The resource type.
*/
void blacklistNode(String nodeName, ResourceType resourceType) {
LOG.info("Node " + nodeName + " has been blacklisted for resource " + resourceType);
clusterManager.getMetrics().setBlacklistedNodes(faultManager.getBlacklistedNodeCount());
deleteAppFromNode(nodeName, resourceType);
}