From 018c6c38fe32ea565f109b06bf2c1e64d3c3c217 Mon Sep 17 00:00:00 2001 From: Luca Cavanna Date: Fri, 2 Jun 2017 11:13:47 +0200 Subject: [PATCH] [DOCS] Clarify connections and gateway nodes selection in cross cluster search docs (#24859) Closes #24836 --- docs/reference/modules/cross-cluster-search.asciidoc | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/docs/reference/modules/cross-cluster-search.asciidoc b/docs/reference/modules/cross-cluster-search.asciidoc index c4e7d4d3b48..f8a34019bfc 100644 --- a/docs/reference/modules/cross-cluster-search.asciidoc +++ b/docs/reference/modules/cross-cluster-search.asciidoc @@ -10,7 +10,12 @@ federated search requests. Cross cluster search works by configuring a remote cluster in the cluster state and connecting only to a limited number of nodes in the remote cluster. Each remote cluster is referenced by a name and a list of seed nodes. -Those seed nodes are used to discover nodes in the remote cluster which are eligible as _gateway nodes_. +When a remote cluster is registered, its cluster state is retrieved from one of the seed nodes so that up to 3 +_gateway nodes_ are selected to be connected to as part of upcoming cross cluster search requests. +Cross cluster search requests consist of uni-directional connections from the coordinating node to the previously +selected remote nodes only. It is possible to tag which nodes should be selected through +node attributes (see <>). + Each node in a cluster that has remote clusters configured connects to one or more _gateway nodes_ and uses them to federate search requests to the remote cluster. @@ -169,6 +174,7 @@ will be prefixed with their remote cluster name: // TESTRESPONSE [float] +[[cross-cluster-search-settings]] === Cross cluster search settings `search.remote.connections_per_cluster`::