From 9c59a4d825059dc7bd9812b98ce7c90473808b94 Mon Sep 17 00:00:00 2001
From: Bohan Yang <boyang@linkedin.com>
Date: Wed, 11 Oct 2023 14:14:54 -0700
Subject: [PATCH] fix dual read data match log (#942)

---
 .../d2/balancer/dualread/DualReadLoadBalancerMonitor.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/d2/src/main/java/com/linkedin/d2/balancer/dualread/DualReadLoadBalancerMonitor.java b/d2/src/main/java/com/linkedin/d2/balancer/dualread/DualReadLoadBalancerMonitor.java
index 2ba2d6af30..1084501963 100644
--- a/d2/src/main/java/com/linkedin/d2/balancer/dualread/DualReadLoadBalancerMonitor.java
+++ b/d2/src/main/java/com/linkedin/d2/balancer/dualread/DualReadLoadBalancerMonitor.java
@@ -79,7 +79,7 @@ public void reportData(String propertyName, T property, String propertyVersion,
       if (!isEqual(entry, newEntry))
       {
         _rateLimitedLogger.warn("Received mismatched properties from dual read. Old LB: {}, New LB: {}",
-            entry, newEntry);
+            fromNewLb ? entry : newEntry, fromNewLb ? newEntry : entry);
         incrementEntryOutOfSyncCount(); // increment the out-of-sync count for the entry received later
       }
       else