[root@platservice6~]# ulimit -n
1024
Run the vim command to edit the /etc/systemd/system.conf file as follows:
DefaultLimitNOFILE=65535
DefaultLimitNPROC=65535
After the preceding operations are complete, you need to restart the VM. Otherwise, the number of handles does not take effect. After the restart, log in to the VM and check the maximum number of handles again.