diff --git a/packaging/cfg/taosd.service b/packaging/cfg/taosd.service
index 52c4b1d1e2..bfa330f6cb 100644
--- a/packaging/cfg/taosd.service
+++ b/packaging/cfg/taosd.service
@@ -8,7 +8,7 @@ Type=simple
 ExecStart=/usr/bin/taosd
 ExecStartPre=/usr/local/taos/bin/startPre.sh
 TimeoutStopSec=1000000s
-LimitNOFILE=infinity
+LimitNOFILE=1048576
 LimitNPROC=infinity
 LimitCORE=infinity
 TimeoutStartSec=0