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-rw-r--r--container-core/src/main/java/com/yahoo/container/handler/ClustersStatus.java4
1 files changed, 3 insertions, 1 deletions
diff --git a/container-core/src/main/java/com/yahoo/container/handler/ClustersStatus.java b/container-core/src/main/java/com/yahoo/container/handler/ClustersStatus.java
index 16c2677e1b6..aab13a1cc7b 100644
--- a/container-core/src/main/java/com/yahoo/container/handler/ClustersStatus.java
+++ b/container-core/src/main/java/com/yahoo/container/handler/ClustersStatus.java
@@ -9,7 +9,9 @@ import java.util.Map;
/**
* A component which tracks the up/down status of any clusters which should influence
- * the up down status of this container itself, as well as the separate fact that such clusters are present.
+ * the up down status of this container itself, as well as the separate fact (from config)
+ * that such clusters are present. This is a separate fact because we might know we have clusters configured
+ * but we don't have positive information that they are up yet, and in this case we should be down.
*
* This is a separate component which has <b>no dependencies</b> such that the status tracked in this
* will survive reconfiguration events and inform other components even immediately after a reconfiguration