Use of Splunk with Oracle listener log files

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(Photo by Alfons Morales, on Unsplash)

There are several ways to dig for precious information in listener logs, for example this method described by Arup Nanda or this one by Liron Amitzi.
I currently work in an environment with 40+ servers and 550+ databases managed by Grid Infrastructure. I recently wanted to help a colleague who was experiencing problems with a brand new installed application. Her application should connect to a database in another VLAN. Our first intuition was to check if the application could, at least, reach the database. Since the database resides on a Grid Infrastructure cluster, it would have been tedious to check all (scan-) listener logs spread accross all servers. This is where Splunk has proven useful.

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