datarouter-metric is a tool that can be used to record counters or gauges on anything. Third party services or other modules that haven't been released yet can be used to ingest the data and create visuals/ graphs.
<dependency>
<groupId>io.datarouter</groupId>
<artifactId>datarouter-metric</artifactId>
<version>0.0.126</version>
</dependency>You can install this module by adding its plugin to the WebappBuilder.
.addPlugin(new DatarouterMetricPluginBuilder(...)
.build()There are two types of metrics: Counts and Gauges.
- Count - Records an increment which is aggregated and flushed every 5 seconds
- Gauge - Records any specified value at a certain point in time
Counters are held in memory for 5 second periods. Next they are asynchronously flushed to a queue which can be backed by a service like SQS. Finally they are handled in batches by CountPublisher.
Gauges can be generated in high volume and overload the buffer, so they are first buffered in memory, which is backed
by an ArrayBlockingQueue. Next gauges are buffered by a queue which can be backed by services like SQS. Finally they
are handled by GaugePublisher.
This library is licensed under the Apache License, Version 2.0 - see LICENSE for details.