diff --git a/concourse/tasks/run_behave_on_ccp_cluster.yml b/concourse/tasks/run_behave_on_ccp_cluster.yml
index 2f20328bd8afcea7f39286125764d8e49f5ffeca..bae127ad30d266ad9492055fe9cb2b392ddb30f0 100644
--- a/concourse/tasks/run_behave_on_ccp_cluster.yml
+++ b/concourse/tasks/run_behave_on_ccp_cluster.yml
@@ -24,6 +24,42 @@ run:
         install_python_hacks
     '"
 
+    # setting sysctl settings
+    while read LINE; do
+        host=$(echo $LINE | awk '{ print $3 }')
+        ssh -n centos@$host "sudo bash -c '
+            # minimal settings
+            sysctl -w kernel.shmall=\`expr \$(getconf _PHYS_PAGES) / 2\`
+            sysctl -w kernel.shmmax=\`expr \$(/sbin/sysctl -n kernel.shmall) \* \$(getconf PAGE_SIZE)\`
+            sysctl -w kernel.shmmni=4096
+            sysctl -w vm.overcommit_memory=2
+            sysctl -w vm.overcommit_ratio=95
+            sysctl -w net.ipv4.ip_local_port_range=\"10000 65535\"
+            # additional settings
+            sysctl -w kernel.sem=\"500 2048000 200 40960\"
+            sysctl -w kernel.sysrq=1
+            sysctl -w kernel.core_uses_pid=1
+            sysctl -w kernel.msgmnb=65536
+            sysctl -w kernel.msgmax=65536
+            sysctl -w kernel.msgmni=2048
+            sysctl -w net.ipv4.tcp_syncookies=1
+            sysctl -w net.ipv4.conf.default.accept_source_route=0
+            sysctl -w net.ipv4.tcp_max_syn_backlog=4096
+            sysctl -w net.ipv4.conf.all.arp_filter=1
+            sysctl -w net.core.netdev_max_backlog=10000
+            sysctl -w net.core.rmem_max=2097152
+            sysctl -w net.core.wmem_max=2097152
+            sysctl -w vm.swappiness=10
+            sysctl -w vm.zone_reclaim_mode=0
+            sysctl -w vm.dirty_expire_centisecs=500
+            sysctl -w vm.dirty_writeback_centisecs=100
+            sysctl -w vm.dirty_background_ratio=0
+            sysctl -w vm.dirty_ratio=0
+            sysctl -w vm.dirty_background_bytes=1610612736
+            sysctl -w vm.dirty_bytes=4294967296
+        '"
+    done <cluster_env_files/etc_hostfile
+
     ssh -t mdw "
         source /home/gpadmin/gpdb_src/concourse/scripts/common.bash
         install_python_requirements_on_multi_host /home/gpadmin/gpdb_src/gpMgmt/requirements-dev.txt