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Ganglia componentAvailable as of Camel 2.15.0Provides a mechanism to send a value (the message body) as a metric to the Ganglia monitoring system. Uses the gmetric4j library. Can be used in conjunction with standard Ganglia and JMXetric for monitoring metrics from the OS, JVM and business processes through a single platform. You should have a Ganglia gmond agent running on the machine where your JVM runs. The gmond sends a heartbeat to the Ganglia infrastructure, camel-ganglia can't send the heartbeat itself currently. On most Linux systems (Debian, Ubuntu, Fedora and RHEL/CentOS with EPEL) you can just install the Ganglia agent package and it runs automatically using multicast configuration. You can configure it to use regular UDP unicast if you prefer. Maven users will need to add the following dependency to their
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-ganglia</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>
URI formatganglia:address:port[?options] You can append query options to the URI in the following format, Ganglia component and endpoint URI options
Message bodyAny value (such as a string or numeric type) in the body is sent to the Ganglia system. Return value / responseGanglia sends metrics using unidirectional UDP or multicast. There is no response or change to the message body. ExamplesSending a String metricThe message body will be converted to a String and sent as a metric value. Unlike numeric metrics, String values can't be charted but Ganglia makes them available for reporting. The os_version string at the top of every Ganglia host page is an example of a String metric. from("direct:string.for.ganglia")
.setHeader(GangliaConstants.METRIC_NAME, simple("my_string_metric"))
.setHeader(GangliaConstants.METRIC_TYPE, GMetricType.STRING)
.to("direct:ganglia.tx");
from("direct:ganglia.tx")
.to("ganglia:239.2.11.71:8649?mode=MULTICAST&prefix=test");
Sending a numeric metricfrom("direct:value.for.ganglia")
.setHeader(GangliaConstants.METRIC_NAME, simple("widgets_in_stock"))
.setHeader(GangliaConstants.METRIC_TYPE, GMetricType.UINT32)
.setHeader(GangliaConstants.METRIC_UNITS, simple("widgets"))
.to("direct:ganglia.tx");
from("direct:ganglia.tx")
.to("ganglia:239.2.11.71:8649?mode=MULTICAST&prefix=test");
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