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Chapter 5. Performing cross-site operations via JMX


Perform cross-site operations such as pushing state transfer and bringing sites online via JMX.

5.1. Registering JMX MBeans

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

Procedure

  1. Open your Data Grid configuration for editing.
  2. Add the jmx element or object to the cache container and specify true as the value for the enabled attribute or field.
  3. Add the domain attribute or field and specify the domain where JMX MBeans are exposed, if required.
  4. Save and close your client configuration.

JMX configuration

XML

<infinispan>
  <cache-container statistics="true">
    <jmx enabled="true"
         domain="example.com"/>
  </cache-container>
</infinispan>

JSON

{
  "infinispan" : {
    "cache-container" : {
      "statistics" : "true",
      "jmx" : {
        "enabled" : "true",
        "domain" : "example.com"
      }
    }
  }
}

YAML

infinispan:
  cacheContainer:
    statistics: "true"
    jmx:
      enabled: "true"
      domain: "example.com"

5.2. Performing cross-site operations with JMX clients

Perform cross-site operations with JMX clients.

Prerequisites

  • Configure Data Grid to register JMX MBeans

Procedure

  1. Connect to Data Grid with any JMX client.
  2. Invoke operations from the following MBeans:

    • XSiteAdmin provides cross-site operations for caches.
    • GlobalXSiteAdminOperations provides cross-site operations for Cache Managers.

      For example, to bring sites back online, invoke bringSiteOnline(siteName).

5.3. JMX MBeans for cross-site replication

Data Grid provides JMX MBeans for cross-site replication that let you gather statistics and perform remote operations.

The org.infinispan:type=Cache component provides the following JMX MBeans:

  • XSiteAdmin exposes cross-site operations that apply to specific cache instances.
  • RpcManager provides statistics about network requests for cross-site replication.
  • AsyncXSiteStatistics provides statistics for asynchronous cross-site replication, including queue size and number of conflicts.

The org.infinispan:type=CacheManager component includes the following JMX MBean:

  • GlobalXSiteAdminOperations exposes cross-site operations that apply to all caches in a cache container.

For details about JMX MBeans along with descriptions of available operations and statistics, see the Data Grid JMX Components documentation.

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