org.imixs.archive.service.monitoring

Class MonitoringResource

java.lang.Object

org.imixs.archive.service.monitoring.MonitoringResource

@Path(value="monitoring")
public class MonitoringResource
extends Object

This is a monitoring resource for Prometheus This class exports metries in prometheus text format. https://prometheus.io/docs/instrumenting/exposition_formats/ https://www.oreilly.com/library/view/prometheus-up/9781492034131/ch04.html To avoid dependencies, we implement the prometheus exposition text format you ourself. The coutner will always increase. To extract the values in prometheus use rate - Exmaple: rate(http_requests_total[5m]) See: https://www.robustperception.io/how-does-a-prometheus-counter-work General architecture: See: http://www.adam-bien.com/roller/abien/entry/singleton_the_simplest_possible_jmx http://www.adam-bien.com/roller/abien/entry/monitoring_java_ee_appservers_with TODO - exposed with JAX-RS to make the statistics also accessible via HTTP - support receive events: http://www.adam-bien.com/roller/abien/entry/java_ee_6_observer_with

Author:

rsoika

Constructor Summary

Constructors

Constructor and Description
MonitoringResource()

Method Summary

Modifier and Type	Method and Description
javax.ws.rs.core.Response	getDiagnostics() Prometheus format Example: http_requests_total{method="post",code="200"} 1027 1395066363000 http_requests_total{method="post",code="400"} 3 1395066363000
void	registerInJMX()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MonitoringResource

public MonitoringResource()

Method Detail

registerInJMX

@PostConstruct
public void registerInJMX()

getDiagnostics

@GET
 @Produces(value="text/plain; version=0.0.4")
public javax.ws.rs.core.Response getDiagnostics()

Prometheus format Example: http_requests_total{method="post",code="200"} 1027 1395066363000 http_requests_total{method="post",code="400"} 3 1395066363000