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Add recommendation on unicast hosts to docs 

This commit adds a small note to the discovery docs to include a note
that we recommend that the unicast hosts list be maintained as the list
of master-eligible nodes in the cluster.

Relates #25991
This commit is contained in:
Jason Tedor 2017-08-01 18:15:50 +09:00 committed by GitHub
parent 52c79629e2
commit 7066ec44ca
1 changed files with 3 additions and 0 deletions
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docs/reference/modules/discovery/zen.asciidoc
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@ -33,6 +33,9 @@ negative hostname resolutions for ten seconds. This can be modified by adding
http://docs.oracle.com/javase/8/docs/technotes/guides/net/properties.html[`networkaddress.cache.negative.ttl=<timeout>`]
to your http://docs.oracle.com/javase/8/docs/technotes/guides/security/PolicyFiles.html[Java security policy].
It is recommended that the unicast hosts list be maintained as the list of
master-eligible nodes in the cluster.
Unicast discovery provides the following settings with the `discovery.zen.ping.unicast` prefix:
[cols="<,<",options="header",]