From e0d79ed0c488600a898ef01c222b114dc9f763a8 Mon Sep 17 00:00:00 2001
From: Lauri Nevala <lauri.nevala@gmail.com>
Date: Thu, 19 Nov 2020 12:59:43 +0200
Subject: [PATCH] Update metadata only if it is changed

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>
---
 src/main/routes/metrics-route.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/routes/metrics-route.ts b/src/main/routes/metrics-route.ts
index c872abd867..0ef5f0a177 100644
--- a/src/main/routes/metrics-route.ts
+++ b/src/main/routes/metrics-route.ts
@@ -73,7 +73,9 @@ class MetricsRoute extends LensApi {
       prometheusMetadata["success"] = false
       this.respondJson(response, {})
     } finally {
-      cluster.metadata[ClusterMetadataKey.PROMETHEUS] = prometheusMetadata
+      if (JSON.stringify(cluster.metadata[ClusterMetadataKey.PROMETHEUS]) !== JSON.stringify(prometheusMetadata)) {
+        cluster.metadata[ClusterMetadataKey.PROMETHEUS] = prometheusMetadata
+      }
     }
   }
 }