[root@sandbox ~]# ls -lrt /var/log/ambari-metrics-grafana/
total 16
-rw-r--r-- 1 ams hadoop    0 2016-12-20 19:44 xorm.log
-rw-r--r-- 1 ams hadoop  728 2016-12-20 19:44 grafana.out
-rw-r--r-- 1 ams hadoop 8402 2016-12-20 19:44 grafana.log
[root@sandbox ~]# ls -lrt /var/log/ambari-metrics-grafana/grafana.out
-rw-r--r-- 1 ams hadoop 728 2016-12-20 19:44 /var/log/ambari-metrics-grafana/grafana.out
[root@sandbox ~]# cat /var/log/ambari-metrics-grafana/grafana.out
2016/12/20 19:44:41 [I] Starting Grafana
2016/12/20 19:44:41 [I] Version: 2.6.0, Commit: v2.6.0, Build date: 2015-12-14 14:18:01 +0000 UTC
2016/12/20 19:44:41 [I] Configuration Info
Config files:
  [0]: /usr/lib/ambari-metrics-grafana/conf/defaults.ini
  [1]: /etc/ambari-metrics-grafana/conf/ams-grafana.ini
Command lines overrides:
  [0]: default.paths.data=/var/lib/ambari-metrics-grafana
  [1]: default.paths.logs=/var/log/ambari-metrics-grafana
Paths:
  home: /usr/lib/ambari-metrics-grafana
  data: /var/lib/ambari-metrics-grafana
  logs: /var/log/ambari-metrics-grafana

2016/12/20 19:44:41 [I] Database: sqlite3
2016/12/20 19:44:41 [I] Migrator: Starting DB migration
2016/12/20 19:44:41 [I] Listen: http://0.0.0.0:3000