Rhino provides monitoring facilities for capturing statistical-performance data about the cluster, using the client-side application rhino-stats. This application connects to Rhino using JMX, and samples requested statistics, in real time. You can display extracted statistics in tabular-text form on the console, or graphed on a GUI using various graphing modes.

When correctly configured, monitored, and tuned — using Rhino’s performance-monitoring tools — Rhino SLEEs will surpass industry standards for performance and stability. ---

For service developers and administrators

Much of the statistical information that rhino-stats gathers is useful to both service developers and administrators:

  • Service developers can use performance data, such as event-processing time statistics, to evaluate the impact of SBB-code changes on overall performance.

  • Administrators can use statistics to evaluate settings for tunable performance parameters. For example, the following can help determine appropriate configuration parameters:

Parameter set type Tunable parameters

Object pools

Object pool sizing

Staging threads

Staging configuration

Memory database sizing

Memory database size limits

System memory usage

JVM heap size

See also:

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Rhino Version 3.1