1 files changed, 2 insertions, 1 deletions
diff --git a/jstests/concurrency/fsm_workloads/kill_multicollection_aggregation.js b/jstests/concurrency/fsm_workloads/kill_multicollection_aggregation.js
index ba38bdfe94a..f15dbb05432 100644
--- a/jstests/concurrency/fsm_workloads/kill_multicollection_aggregation.js
+++ b/jstests/concurrency/fsm_workloads/kill_multicollection_aggregation.js
@@ -280,8 +280,9 @@ var $config = (function() {
 
     function teardown(db, collName, cluster) {
         cluster.executeOnMongodNodes(function lowerDocumentSourceCursorBatchSize(db) {
+            // Restore DocumentSourceCursor batch size to the default.
             assertAlways.commandWorked(db.adminCommand(
-                {setParameter: 1, internalDocumentSourceCursorBatchSizeBytes: 16 * 1024 * 1024}));
+                {setParameter: 1, internalDocumentSourceCursorBatchSizeBytes: 4 * 1024 * 1024}));
         });
 
         var myDB = db.getSiblingDB(this.uniqueDBName);