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Status Future consideration
Created by Guest
Created on Aug 7, 2020

MQ Support for Distributed Tracing

Existing Application Performance Management (APM) tools, and emerging W3C standards for Distributed Tracing require propagation of tracking meta data across application protocols.

For applications using HTTP as the communication protocol between application components, this meta data can be placed in HTTP headers to be accessed by downstream APM agents or tracers while not fundamentally impacting the application being monitored.

For applications that use messaging protocols for communication between application components, the propagation of tracking meta data is typically handled by adding the meta data in message properties.

For IBM MQ based applications, the insertion of unexpected message properties can cause the underlying application to fail. While is it possible to change the application to handle these additional properties, it is often not technically or financially feasible to do so.

Ideally there would be a mechanism to propagate distributed tracing meta data across IBM MQ messages without requiring application or MQ configuration changes.

Idea priority High
Use Case
If a Java application is instrumented with an APM agent or tracer, the agent will place transaction tracing meta data in JMS message properties. If the target queue for this application is IBM MQ, these message properties can be converted to RFH2 headers. If the consumer of these messages is a traditional z/OS application performing an MQGET, the application is typically not expecting the presence of RFH2 headers after the MQMD. This will cause the application to fail.
RFE ID 144500
RFE Product IBM MQ
  • Guest
    Sep 16, 2020

    We are considering adding support for this to a future version of MQ

  • Guest
    Aug 9, 2020

    To avoid message properties being given to an MQ application that does not understand them, define the queue with PROPCTL(NONE)