Question How to set fd_setsize in php.ini

[MaartenW]

Server operating system version

Ubuntu 18.04 6 LTS

Plesk version and microupdate number

18.0.56 #4,

Hello,

I get errors that my fd_setsize is too low. Although, I am using Amazon SES for my email service. But I want to change the php.ini and recompile it for a higher fd_setsize. Can anyone tell me how to do this? I am on Plesk Obsidian 18.0.56Update #4,