Use the following command to determine the current file handle allocation limit.
cat /proc/sys/fs/file-max
Then, set the following parameters in your /etc/security/limits .conf file to the lower of 100,000 or the file handle allocation limit determined above.
The example shows how the relevant parameters in the /etc/security/limits .conf file are set to 100000. The actual setting for your installation may be different depending file handle allocation limit in your system.
root hard nofile 100000 root soft nofile 100000 xray hard nofile 100000 xray soft nofile 100000 postgres hard nofile 100000 postgres soft nofile 100000