diff --git a/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetOutputFormat.java b/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetOutputFormat.java
index 31cc96ba10..6accce17c5 100644
--- a/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetOutputFormat.java
+++ b/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetOutputFormat.java
@@ -394,9 +394,12 @@ public RecordWriter<Void, T> getRecordWriter(Configuration conf, Path file, Comp
         MemoryManager.DEFAULT_MEMORY_POOL_RATIO);
     long minAllocation = conf.getLong(ParquetOutputFormat.MIN_MEMORY_ALLOCATION,
         MemoryManager.DEFAULT_MIN_MEMORY_ALLOCATION);
-    if (memoryManager == null) {
-      memoryManager = new MemoryManager(maxLoad, minAllocation);
-    } else if (memoryManager.getMemoryPoolRatio() != maxLoad) {
+    synchronized (ParquetOutputFormat.class) {
+      if (memoryManager == null) {
+        memoryManager = new MemoryManager(maxLoad, minAllocation);
+      }
+    }
+    if (memoryManager.getMemoryPoolRatio() != maxLoad) {
       LOG.warn("The configuration " + MEMORY_POOL_RATIO + " has been set. It should not " +
           "be reset by the new value: " + maxLoad);
     }
@@ -441,13 +444,12 @@ public OutputCommitter getOutputCommitter(TaskAttemptContext context)
     return committer;
   }
 
-
   /**
    * This memory manager is for all the real writers (InternalParquetRecordWriter) in one task.
    */
   private static MemoryManager memoryManager;
 
-  public static MemoryManager getMemoryManager() {
+  public synchronized static MemoryManager getMemoryManager() {
     return memoryManager;
   }
 }