Question regarding Elasticsearch hosts in config

Graylog Central (peer support)
1

Hello,
If I have an Elastic infrastructure with 3 masters and n-Hot Nodes should I even list IP’s of those 3 masters in “elasticsearch_hosts” or listing them in “elasticsearch_discovery_zen_ping_unicast_hosts” is enough ?

I’ve read that listing masters in “hosts” is a bad practice because Graylog will send queries to those masters and that’s a bad idea so all in all only data nodes should be listed. Is that true?

2

what Graylog Version are we talking about?

3

Graylog 2.4.6 is our version.

4

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