From 81ac43be30f8da4c76305b2fb04504d12fb29d40 Mon Sep 17 00:00:00 2001
From: Richard Zowalla <rzo1@apache.org>
Date: Thu, 9 Nov 2023 13:25:23 +0100
Subject: [PATCH] STORM-3986 - Get rid of BlacklistScheduler timer [INFO] logs

---
 .../storm/scheduler/blacklist/BlacklistScheduler.java       | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java b/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
index b29981f20b9..2f9aca767c6 100644
--- a/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
+++ b/storm-server/src/main/java/org/apache/storm/scheduler/blacklist/BlacklistScheduler.java
@@ -194,7 +194,11 @@ private Set<String> refreshBlacklistedSupervisorIds(Cluster cluster, Topologies
                 new ArrayList<>(badSupervisorsToleranceSlidingWindow),
                 new ArrayList<>(sendAssignmentFailureCount),
                 cluster, topologies);
-        LOG.info("Supervisors {} are blacklisted.", blacklistedSupervisors);
+        if (blacklistedSupervisors.isEmpty()) {
+            LOG.debug("No Supervisors are blacklisted.");
+        } else {
+            LOG.info("Supervisors {} are blacklisted.", blacklistedSupervisors);
+        }
         return blacklistedSupervisors;
     }