diff --git a/datanode/src/configs/test.env b/datanode/src/configs/test.env
index fc4da90..0488f41 100644
--- a/datanode/src/configs/test.env
+++ b/datanode/src/configs/test.env
@@ -7,4 +7,5 @@ PENDING_TIMEOUT=15
 CLEANER_PERIOD=5
 LEADER_HOST=leader_0
 LEADER_PORT=8888
-DATANODE_NAME=datanode_0
\ No newline at end of file
+DATANODE_NAME=datanode_0
+SERVER_THREAD_POOL_SIZE=100