From 2c195507e723d0fd932222f1311ca403ea5bd7f7 Mon Sep 17 00:00:00 2001
From: bjormel <bjormel@yahooinc.com>
Date: Thu, 26 Oct 2023 09:09:36 +0000
Subject: Handle total qps 0

---
 .../yahoo/vespa/hosted/controller/maintenance/BcpGroupUpdater.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/maintenance/BcpGroupUpdater.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/maintenance/BcpGroupUpdater.java
index 36aeb598890..92aaacaa1f0 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/maintenance/BcpGroupUpdater.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/maintenance/BcpGroupUpdater.java
@@ -121,7 +121,9 @@ public class BcpGroupUpdater extends ControllerMaintainer {
             currentReadShare += groupQps == 0 ? 0 : fraction * deploymentQps / groupQps;
             maxReadShare += group.size() == 1
                            ? currentReadShare
-                           : fraction * ( deploymentQps + group.maxQpsExcluding(deployment.zone().region()) / (group.size() - 1) ) / groupQps;
+                           : groupQps != 0
+                                ? fraction * (deploymentQps + group.maxQpsExcluding(deployment.zone().region()) / (group.size() - 1)) / groupQps
+                                : 0;
         }
         patch.currentReadShare = currentReadShare;
         patch.maxReadShare = maxReadShare;
-- 
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