diff --git a/paddle/gserver/tests/concat_table_b.conf b/paddle/gserver/tests/concat_table_b.conf
index 6da24a5fbc55c1c3beec719d38f3d4d05b8eb46a..95d7c10f7b0cd66e38f60c282e4f67ebf3b7cafb 100644
--- a/paddle/gserver/tests/concat_table_b.conf
+++ b/paddle/gserver/tests/concat_table_b.conf
@@ -16,9 +16,9 @@
 
 from paddle.trainer_config_helpers import *
 
-settings(batch_size=1000)
+settings(batch_size=300)
 
-data = data_layer(name ="input", size=100000)
+data = data_layer(name ="input", size=10000)
 
 proj1 = table_projection(input=data, size=128)