From 74885eff73ddb2f6a3df9d89be4a7b32f4b741f6 Mon Sep 17 00:00:00 2001
From: Adam Nichols <aednichols@gmail.com>
Date: Fri, 27 Sep 2024 09:34:31 -0400
Subject: [PATCH] WX-1835 Silence quota exhaustion logging when empty (#7561)

---
 .../cromwell/backend/standard/GroupMetricsActor.scala    | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/backend/src/main/scala/cromwell/backend/standard/GroupMetricsActor.scala b/backend/src/main/scala/cromwell/backend/standard/GroupMetricsActor.scala
index 6a0626c281..f7c09209a8 100644
--- a/backend/src/main/scala/cromwell/backend/standard/GroupMetricsActor.scala
+++ b/backend/src/main/scala/cromwell/backend/standard/GroupMetricsActor.scala
@@ -43,10 +43,11 @@ class GroupMetricsActor(engineDbInterface: EngineSqlDatabase,
     case LogQuotaExhaustedGroups =>
       getQuotaExhaustedGroups() onComplete {
         case Success(quotaExhaustedGroups) =>
-          log.info(
-            s"Hog groups currently experiencing quota exhaustion: ${quotaExhaustedGroups.length}. Group IDs: [${quotaExhaustedGroups.toList
-                .mkString(", ")}]."
-          )
+          if (quotaExhaustedGroups.nonEmpty)
+            log.info(
+              s"Hog groups currently experiencing quota exhaustion: ${quotaExhaustedGroups.length}. Group IDs: [${quotaExhaustedGroups.toList
+                  .mkString(", ")}]."
+            )
         case Failure(exception) =>
           log.info(
             s"Something went wrong when fetching quota exhausted groups for logging. Will retry in ${loggingInterval