Timelion
Timelion is a visualization tool for analyzing time-series data in Kibana. It enables you to combine totally independent data sources within the same visualization. Using its simple expression language, you can execute advanced mathematical calculations, such as dividing and subtracting metrics, calculating derivatives and moving averages, and visualizing the results of these calculations.
Timelion UI
Timelion is present in the left pane of the Kibana UI, between the Dashboard and Dev Tools icons:
The main component/feature of the Timelion UI is the Timelion query bar
 that allows one to define expressions that influence the generation of the graphs. It allows one to define multiple expressions separated by commas, and also allows you to chain functions.
The Timelion UI also offers the following options:
- New: This is used to create a new Timelion sheet for creating graphs.
- Add: One can create multiple charts on the same same Timelion sheet using this option.
- Save: This is used to save the...