diff --git a/elasticsearch/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/output/StateProcessorTests.java b/elasticsearch/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/output/StateProcessorTests.java
index 284d32f4c8e..629df3848ab 100644
--- a/elasticsearch/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/output/StateProcessorTests.java
+++ b/elasticsearch/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/output/StateProcessorTests.java
@@ -42,7 +42,7 @@ public class StateProcessorTests extends ESTestCase {
             + "\0";
 
     private static final int NUM_LARGE_DOCS = 2;
-    private static final int LARGE_DOC_SIZE = 16000000;
+    private static final int LARGE_DOC_SIZE = 1000000;
 
     private StateProcessor stateProcessor;