diff --git a/init.common.rc b/init.common.rc
index 4d60550..eca55fa 100644
--- a/init.common.rc
+++ b/init.common.rc
@@ -813,7 +813,7 @@
     write /dev/cpuset/application/cpus 1,3
 
     # end boot time fs tune
-    write /sys/block/sda/queue/read_ahead_kb 512
+    write /sys/block/sda/queue/read_ahead_kb 128
     write /sys/block/sda/queue/nr_requests 128
     write /sys/block/dm-0/queue/read_ahead_kb 128
     write /sys/block/dm-1/queue/read_ahead_kb 128