How to track a message End to End

[asurajpai]

We know that the API call comes for the Router - Message Processor - Policies handled by cassandra and finally routed to the backed.

Is there a way to find out if in case there was a failure in the cassandra, then that particular API call failed due to the cassandra executing policies? How do we track a API call End 2 end, which logs we need to look at - for failures on a multinode (13 node ) cluster?

Case 845466