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Chapter 15. Configuring Data Grid Server Statistics

Enable statistics that Data Grid exports to a metrics endpoint or via JMX MBeans. Registering JMX MBeans also exposes management operations that you can perform remotely.

15.1. Enabling Data Grid Statistics
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Configure Data Grid to export statistics for Cache Managers and caches.

Data Grid Server enables Cache Manager statistics by default. You must explicitly enable statistics for your caches.

Procedure

Modify your configuration to enable Data Grid statistics in one of the following ways:

  • Declarative: Add the statistics="true" attribute.
  • Programmatic: Call the .statistics() method.

Declarative

<!-- Enables statistics for the Cache Manager. -->
<cache-container statistics="true">
  <!-- Enables statistics for the named cache. -->
  <local-cache name="mycache" statistics="true"/>
</cache-container>

Programmatic

GlobalConfiguration globalConfig = new GlobalConfigurationBuilder()
  //Enables statistics for the Cache Manager.
  .cacheContainer().statistics(true)
  .build();

Configuration config = new ConfigurationBuilder()
  //Enables statistics for the named cache.
  .statistics().enable()
  .build();

15.2. Configuring Data Grid Metrics
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Configure Data Grid to export gauges and histograms via the metrics endpoint.

Procedure

  • Turn gauges and histograms on or off in the metrics configuration as appropriate.

Declarative

<!-- Computes and collects statistics for the Cache Manager. -->
<cache-container statistics="true">
  <!-- Exports collected statistics as gauge and histogram metrics. -->
  <metrics gauges="true" histograms="true" />
</cache-container>

Programmatic

GlobalConfiguration globalConfig = new GlobalConfigurationBuilder()
  //Computes and collects statistics for the Cache Manager.
  .statistics().enable()
  //Exports collected statistics as gauge and histogram metrics.
  .metrics().gauges(true).histograms(true)
  .build();

15.3. Collecting Data Grid Metrics
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Collect Data Grid metrics with monitoring tools such as Prometheus.

Prerequisites

  • Enable statistics. If you do not enable statistics, Data Grid provides 0 and -1 values for metrics.
  • Optionally enable histograms. By default Data Grid generates gauges but not histograms.

Procedure

  • Get metrics in Prometheus (OpenMetrics) format: 

    $ curl -v http://localhost:11222/metrics

  • Get metrics in MicroProfile JSON format: 

    $ curl --header "Accept: application/json" http://localhost:11222/metrics

Next steps

Configure monitoring applications to collect Data Grid metrics. For example, add the following to prometheus.yml: 

static_configs:
    - targets: ['localhost:11222']

Reference

15.4. Configuring Data Grid to Register JMX MBeans
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Data Grid can register JMX MBeans that you can use to collect statistics and perform administrative operations. You must enable statistics separately to JMX otherwise Data Grid provides 0 values for all statistic attributes.

Procedure

Modify your cache container configuration to enable JMX in one of the following ways:

  • Declarative: Add the <jmx enabled="true" /> element to the cache container.
  • Programmatic: Call the .jmx().enable() method.

Declarative

<cache-container>
  <jmx enabled="true" />
</cache-container>

Programmatic

GlobalConfiguration globalConfig = new GlobalConfigurationBuilder()
  .jmx().enable()
  .build();

15.4.1. Data Grid MBeans
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Data Grid exposes JMX MBeans that represent manageable resources.

org.infinispan:type=Cache
Attributes and operations available for cache instances.
org.infinispan:type=CacheManager
Attributes and operations available for cache managers, including Data Grid cache and cluster health statistics.

For a complete list of available JMX MBeans along with descriptions and available operations and attributes, see the Data Grid JMX Components documentation.

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