Configuring Metrics
Metrics collection might affect the performance of an application. So, by default all metric sources are disabled.
Metrics Management
All metric management is performed through the GridGain CLI tool.
Checking Metric Sources and Enabled Metrics
The GridGain CLI tool can list all available metric sources:
node metric source listThis command lists all metric sources. To check the list of metrics, enable the metric source you need and then use the following command:
node metric listThis command will return the list of all currently available metrics, organized with their exporters.
Enabling Metric Sources
Metric sources are enabled on per-node basis. You can specify the node interact with by using the -u parameter to specify node URL or -n parameter to specify node name. For example, here is how you can enable jvm metric source:
node metric source enable -n=defaultNode jvmDisabling Metric Sources
Metric sources are also disabled on per-node basis. You can specify the node interact with by using the -u parameter to specify node URL or -n parameter to specify node name. For example, here is how you can enable jvm metric source:
node metric source disable -n=defaultNode jvmAccessing Metrics
You can work with metrics by using any external tool. To access the metrics, you need to enable the jmx exporter in cluster configuration:
cluster config update metrics.exporters.jmx.exporterName=jmx
After you do, monitoring tools will be able to collect enabled metrics from the node:
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