From d8a826520b7c3726c43af89706654b8b2b3fff1a Mon Sep 17 00:00:00 2001
From: Rishabh Patel <ptlrshb@gmail.com>
Date: Wed, 18 Mar 2026 13:40:12 -0700
Subject: [PATCH] HDDS-14860. Synchronize `schedule` method in
 ThrottledAsyncChecker to ensure thread safety.

---
 .../ozone/container/common/volume/ThrottledAsyncChecker.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/ThrottledAsyncChecker.java b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/ThrottledAsyncChecker.java
index 9e023a74127f..6cb0679e3cc3 100644
--- a/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/ThrottledAsyncChecker.java
+++ b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/ThrottledAsyncChecker.java
@@ -115,7 +115,7 @@ public ThrottledAsyncChecker(final Timer timer,
    * will receive the same Future.
    */
   @Override
-  public Optional<ListenableFuture<V>> schedule(
+  public synchronized Optional<ListenableFuture<V>> schedule(
       Checkable<K, V> target, K context) {
     if (checksInProgress.containsKey(target)) {
       return Optional.empty();