Revert "Revert "Jonmv/reapply zk changes 2""

This reverts commit 810da357155a349884b862de87e18de87ed54b35.

1 files changed, 2 insertions, 4 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/admin/clustercontroller/ClusterControllerCluster.java b/config-model/src/main/java/com/yahoo/vespa/model/admin/clustercontroller/ClusterControllerCluster.java
index 6e6f027b520..0b99496a9b4 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/admin/clustercontroller/ClusterControllerCluster.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/admin/clustercontroller/ClusterControllerCluster.java
@@ -50,14 +50,12 @@ public class ClusterControllerCluster extends AbstractConfigProducer<ClusterCont
     public void getConfig(ZookeeperServerConfig.Builder builder) {
         builder.clientPort(ZK_CLIENT_PORT);
         builder.juteMaxBuffer(1024 * 1024); // 1 Mb should be more than enough for cluster controller
-        boolean oldQuorumExists = containerCluster.getContainers().stream() // More than half the previous hosts must be present in the new config for quorum to persist.
-                                                  .filter(container -> previousHosts.contains(container.getHostName())) // Set intersection is symmetric.
-                                                  .count() > previousHosts.size() / 2;
         for (ClusterControllerContainer container : containerCluster.getContainers()) {
             ZookeeperServerConfig.Server.Builder serverBuilder = new ZookeeperServerConfig.Server.Builder();
             serverBuilder.hostname(container.getHostName());
             serverBuilder.id(container.index());
-            serverBuilder.joining(oldQuorumExists && ! previousHosts.contains(container.getHostName()));
+            serverBuilder.joining( ! previousHosts.isEmpty() && ! previousHosts.contains(container.getHostName()));
+            serverBuilder.retired(container.isRetired());
             builder.server(serverBuilder);
         }
     }