diff --git a/src/rdma_utils.h b/src/rdma_utils.h
index 5d40a8ec0..f087749cf 100644
--- a/src/rdma_utils.h
+++ b/src/rdma_utils.h
@@ -54,7 +54,7 @@ namespace ps {
 #define DIVUP(x, y) (((x)+(y)-1)/(y))
 #define ROUNDUP(x, y) (DIVUP((x), (y))*(y))
 
-static const int kStartDepth = 1024;
+static const int kStartDepth = 128;
 static const int kWriteDepth = kStartDepth;
 
 static const int kRxDepth = kStartDepth + kWriteDepth;