Cluster node roles, see #3049
* Config of node roles cluster.role * Cluster router configurable with use-role * RoleLeaderChanged event * Cluster singleton per role * Cluster only starts once all required per-role node counts are reached, role.<role-name>.min-nr-of-members config * Update documentation and make use of the roles in the examples
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49 changed files with 870 additions and 481 deletions
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@ -115,7 +115,7 @@ abstract class AdaptiveLoadBalancingRouterSpec extends MultiNodeSpec(AdaptiveLoa
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def startRouter(name: String): ActorRef = {
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val router = system.actorOf(Props[Routee].withRouter(ClusterRouterConfig(
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local = AdaptiveLoadBalancingRouter(HeapMetricsSelector),
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settings = ClusterRouterSettings(totalInstances = 10, maxInstancesPerNode = 1))), name)
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settings = ClusterRouterSettings(totalInstances = 10, maxInstancesPerNode = 1, useRole = None))), name)
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awaitCond {
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// it may take some time until router receives cluster member events
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currentRoutees(router).size == roles.size
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