From cd109efe8313a790646cd6048627265e025dddc4 Mon Sep 17 00:00:00 2001
From: Michael Marshall <mikemarsh17@gmail.com>
Date: Tue, 9 Feb 2021 21:32:05 -0700
Subject: [PATCH] Call method to ensure class is initialized before constructor
 returns

---
 .../broker/loadbalance/impl/LinuxBrokerHostUsageImpl.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/LinuxBrokerHostUsageImpl.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/LinuxBrokerHostUsageImpl.java
index 29aa288a4726b..46ba077683233 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/LinuxBrokerHostUsageImpl.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/LinuxBrokerHostUsageImpl.java
@@ -84,7 +84,9 @@ public LinuxBrokerHostUsageImpl(int hostUsageCheckIntervalMin,
         }
         this.isCGroupsEnabled = isCGroupsEnabled;
 
-        executorService.scheduleAtFixedRate(this::calculateBrokerHostUsage, 0,
+        // Call now to initialize values before the constructor returns
+        calculateBrokerHostUsage();
+        executorService.scheduleAtFixedRate(this::calculateBrokerHostUsage, hostUsageCheckIntervalMin,
                 hostUsageCheckIntervalMin, TimeUnit.MINUTES);
     }