The tailing processor is going to list ALL files in ALL directories located in /cust. This is how Splunk understand the stanza, for example, /cust/http*/web/file.log is equal to find /cust | grep "/cust/http*/web/file.log". If there are not that many files, you can have these stanza instead, in this example, /cust/http1/web/ and /cust/http2/web/
It should explain why Splunk is stating so many files that you don't need it to.
... View more