fix a potential data race in TaskMemoryManager

apache · Apr 26, 2016 · 6b72b96 · 6b72b96
1 parent 0c8e533
commit 6b72b96
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/java/org/apache/spark/memory/TaskMemoryManager.java b/core/src/main/java/org/apache/spark/memory/TaskMemoryManager.java
@@ -114,7 +114,7 @@ public class TaskMemoryManager {
   /**
    * The amount of memory that is acquired but not used.
    */
-  private long acquiredButNotUsed = 0L;
+  private volatile long acquiredButNotUsed = 0L;
 
   /**
    * Construct a new TaskMemoryManager.