Telemetry is a mechanism used to capture metrics in an application, to later store the data locally or upload it to a server for statistical analysis.
Examples of usage:
- capturing the speed of an operation;
- finding out if users are actually using a feature;
- finding out how the duration of a session;
- determine the operating system on which the application is executed;
- determining the configuration of the application;
- capturing the operations that slow down the application;
- determining the amount of I/O performed by the application;
- ...
The main abstraction used by this library is the Histogram. Each Histogram serves to capture a specific measurement, store it locally and/or upload it to the server. Several types of Histograms are provided, suited to distinct kinds of measures.
API documentation may be found here.