If you just specify one URL, I suspect it will look like a single node to Logstash. Logstash will generally use multiple connections, which with your setup is likely to hit multiple nodes, but I do not see any way for Logstash to control the distribution.
Hang on just want to confirm this:
Right now I have the logstash "hosts" parameter set to 3 different IP addresses.
Are you saying that logstash isn't load balancing across these addresses? Maybe I always misunderstood how this works.
OK good so at least that is doing what I think it is.
But we aren't sure that if I specify a single DNS entry with multiple A records for the hosts parameter logstash is smart enough to load balance across all IPs it receives from my round robin enabled DNS server for that record- right?
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