Hi All, We are using hdp 2.3. Today morning when i stepped in office. I saw that services are in UNKNOWN state. this is QA cluster sp even after restart and reboot, killing ambari-agent, ambari-server, postgresql restart is not helping me. Here is the screenshot and logs. ambari.jpg Logs are here ====================================================== WARN [ambari-hearbeat-monitor] HeartbeatMonitor:154 - Heartbeat lost from host localhost.localdomain WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component METRICS_MONITOR on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component METRICS_COLLECTOR on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component HBASE_MASTER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component HBASE_REGIONSERVER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component PHOENIX_QUERY_SERVER WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component SECONDARY_NAMENODE on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component DATANODE on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component NAMENODE on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component HIVE_SERVER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component MYSQL_SERVER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component HIVE_METASTORE on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component WEBHCAT_SERVER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component KAFKA_BROKER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component HISTORYSERVER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component SPARK_JOBHISTORYSERVE WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component NODEMANAGER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component APP_TIMELINE_SERVER o WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component RESOURCEMANAGER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component ZEPPELIN_MASTER on WARN [ambari-hearbeat-monitor] HeartbeatMonitor:169 - Setting component state to UNKNOWN for component ZOOKEEPER_SERVER on ======================================================= Kindly suggest. I am not sure if state changed by ambari-api ? If so, How can I track/check the same. Thanks in advance. Harshal ... View more