diff --git a/test_swap.c b/test_swap.c
index 17ffa61..d9f1694 100644
--- a/test_swap.c
+++ b/test_swap.c
@@ -9,7 +9,7 @@
 #include <sys/time.h>
 #include <openssl/md5.h>
 
-#define SIZE 19*1024*1024
+#define SIZE 500*1024*1024
 #define PAGE_SIZE 4096          // 4KB
 #define CHUNK_SIZE 8 * 1024     // 8KB