--- a/src/current/iozone.c
+++ b/src/current/iozone.c
@@ -875,7 +875,7 @@ struct master_neutral_command {
 /* At 16 Meg switch to large records */
 #define CROSSOVER (16*1024)		
 /* Maximum buffer size*/
-#define MAXBUFFERSIZE (16*1024*1024)
+#define MAXBUFFERSIZE (2*1024*1024)
 #endif
 
 /* Maximum number of children. Threads/procs/clients */