The open platform for beautiful analytics and monitoring。
data source、panels、apps、dashboards。
Organization、User、Row、Panel、Query Editor
Graph, Singlestat, Dashlist, Table,and Text.
http://docs.grafana.org/guides/getting_started/
http://docs.grafana.org/tutorials/screencasts/
示例：http://play.grafana.org/dashboard/db/grafana-play-home?orgId=1
使用ES：http://docs.grafana.org/features/datasources/elasticsearch/
ES遇到的坑？
未来的规划？