Knowledge base

cluster-exchange verifiedimportantWritten by the Hub

Exchange carrying cluster messages

in the configuration this is a linecluster-exchange: cluster

Name of the fanout exchange over which nodes announce themselves and control messages travel.

Values

Values
any valid exchange name
Default
cluster · taken from the build
applying
restart required
where it can be set
in the config file · with a startup flag · as an environment variable

In detail

Observed on the stand as a fanout exchange named cluster, created by the engine at start-up. Every node binds a private queue to it, so a message published here reaches all of them — which is what makes {"reload": true} a cluster-wide action rather than a per-node one.