You can adjust the buffer size of the Tracer header to increase the limit for unprocessed events. By default, the system saves up to 50,000 items for unprocessed events during a Tracer operation. If the buffer exceeds this limit, Tracer processing ends.
    - 
        Edit the prconfig.xml file and add the following lines:
            <env name="tracer/queue/type" value="file" /><env
            name="tracer/queue/file/limit" value="<env name=" tracer/queue/header/limit" value="nnnnn" /where nnnnn is a nonnegative integer. Note:  As an alternative to updating the
              prconfig.xml file, you can use Dynamic System Settings to
            configure your application.  
- 
        Stop and restart (or redeploy) the server node to enable the change.