From b80588b6883b44f24838d1525c9b267186586042 Mon Sep 17 00:00:00 2001
From: Peter Bacsko <pbacsko@cloudera.com>
Date: Tue, 16 Mar 2021 15:23:27 +0100
Subject: [PATCH] YARN-10682. The scheduler monitor policies conf should trim
 values separated by comma. Contributed by Qi Zhu.

---
 .../resourcemanager/monitor/SchedulingMonitorManager.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/SchedulingMonitorManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/SchedulingMonitorManager.java
index 5418e8b1f8..f3c10ea0b7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/SchedulingMonitorManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/SchedulingMonitorManager.java
@@ -61,7 +61,7 @@ private void updateSchedulingMonitors(Configuration conf,
     }
 
     // When monitor is enabled, loading policies
-    String[] configuredPolicies = conf.getStrings(
+    String[] configuredPolicies = conf.getTrimmedStrings(
         YarnConfiguration.RM_SCHEDULER_MONITOR_POLICIES);
     if (configuredPolicies == null || configuredPolicies.length == 0) {
       return;