From 16e4ac87137a63462a83905993cdc60639f54caf Mon Sep 17 00:00:00 2001 From: Luca Cavanna Date: Tue, 11 Feb 2014 18:56:56 +0100 Subject: [PATCH] [DOCS] Documented `discovery.zen.publish_timeout` setting --- docs/reference/modules/discovery/zen.asciidoc | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/docs/reference/modules/discovery/zen.asciidoc b/docs/reference/modules/discovery/zen.asciidoc index 02282d78449..64281d93950 100644 --- a/docs/reference/modules/discovery/zen.asciidoc +++ b/docs/reference/modules/discovery/zen.asciidoc @@ -146,3 +146,16 @@ Note, it can still be enabled, with disabled internal multicast discovery, but still have external discovery working by keeping `discovery.zen.ping.multicast.enabled` set to `true` (the default), but, setting `discovery.zen.ping.multicast.ping.enabled` to `false`. + +[float] +==== Cluster state updates + +The master node is the only node in a cluster that can make changes to the +cluster state. The master node processes one cluster state update at a time, +applies the required changes and publishes the updated cluster state to all +the other nodes in the cluster. Each node receives the publish message, +updates its own cluster state and replies to the master node, which waits for +all nodes to respond, up to a timeout, before going ahead processing the next +updates in the queue. The `discovery.zen.publish_timeout` is set by default +to 30 seconds and can be changed dynamically through the +<>.