The HTTP module is not disabled so the three master eligible nodes can also serve as result servers. Result servers can collect shard responses from other nodes for sending the merge result back to clients, without having to search or index. This is similar to a kind of a bridge or a proxy server.
Jörg On Mon, Aug 11, 2014 at 8:18 PM, Matt Hughes <hughes.m...@gmail.com> wrote: > Lots of ES best practice articles recommend having dedicated master > nodes. Specifically, that would involve setting these flags: > > node.master: true > node.data: false > > > Say, you had 7 index nodes and 3 master nodes ( > https://blog.hipchat.com/2013/10/16/how-hipchat-scales-to-1-billion-messages/) > in your cluster. Only one of those three master-eligible nodes are going > to be elected master; what do the other two do? Do they just exist for > resiliency for when the elected master goes down? Do they literally not > have any other role when not elected? > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elasticsearch+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/bdfb55a0-6645-4cac-b342-10956f87c87d%40googlegroups.com > <https://groups.google.com/d/msgid/elasticsearch/bdfb55a0-6645-4cac-b342-10956f87c87d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFzJ4XuJAd7NHZ2csD%2BYUadtC1yJnSn6tUJao%2BrHKQKnA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
