Cront Count Expert needed~Multiple processes need to run in PHP

Hello, My current design team has ran into a wall and needs some assistance figuring out how to run more processes by raising the cron count without slowing the sites performance down. This will be a consultation job. Here is what they are asking: I need to run several parallel job at background in order to submit huge data from database and use cron job for that which are running on every instance as there is huge dat to be submitted daily now the data to be submiited increases rapidly and in order to submit the data I need to increase the cron job count but as i increase its count it hampers my website performance and makes it slow so i need a solution as to how i should be able to submit more data without affecting the website performance This is immediate work and I need assistance as soon as possible...