Understanding EclipseLink, 2.4
  Go To Table Of Contents

Query Monitoring

Use the Query Monitor to measure query executions and cache hits. This can be useful for performance analysis in a complex system.

Enable the Query Monitor in either of these ways:

The monitor dumps the number of query cache hits and executions (misses) once every 100 seconds.

For more information about querying, see Chapter 10, "Understanding Queries."