From 2a88452838c4b501d56b8bacabba3b27a9146a9b Mon Sep 17 00:00:00 2001 From: Christopher Batey Date: Thu, 3 May 2018 11:24:46 +0100 Subject: [PATCH] Note what happens if a node sees its self as Down --- akka-docs/src/main/paradox/cluster-usage.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/akka-docs/src/main/paradox/cluster-usage.md b/akka-docs/src/main/paradox/cluster-usage.md index df8d63b373..555f07b71b 100644 --- a/akka-docs/src/main/paradox/cluster-usage.md +++ b/akka-docs/src/main/paradox/cluster-usage.md @@ -211,6 +211,10 @@ can be performed automatically or manually. By default it must be done manually, It can also be performed programmatically with @scala[`Cluster(system).down(address)`]@java[`Cluster.get(system).down(address)`]. +If a node is still running and sees its self as Down it will shutdown. @ref:[Coordinated Shutdown](actors.md#coordinated-shutdown) will automatically +run if `run-coordinated-shutdown-when-down` is set to `on` (the default) however the node will not try +and leave the cluster gracefully so sharding and singleton migration will not occur. + A pre-packaged solution for the downing problem is provided by [Split Brain Resolver](http://developer.lightbend.com/docs/akka-commercial-addons/current/split-brain-resolver.html), which is part of the [Lightbend Reactive Platform](http://www.lightbend.com/platform).