Large WordPress CRON job

I’m programming the integration with external API (real estate). I have one CRON job which is planned for at 1 o’clock am. It’s running very well because I’m using server CRON initialize instead WP CRON standard so It’s running at the right time.

Is there a delay to include call function modification in a scheduled cron task?

I´m testing my cron task.
I´m not sure but it seems to be the effect of a previous code.
So, I´m wondering when you modify you call function and you run now your cron task (I´m using WP Control) and you load a page, the code applied is not the most recent code you upload.
It´s right or wrong ?
What happens excalty, call functions are cached ?

WP Cron Doesn’t Execute When Time Elapses

The goal I want to use wp_schedule_single_event( ) to execute a single event that sends me an e-mail 8 minutes after the user submits a form. The issue The following code is in my functions.php: function nkapi_send_to_system( $args ) { wp_mail( 'xxx', 'xxx', $args ); } add_action( 'nkapi_send', 'nkapi_send_to_system' ); function schedule_event( $id ) { … Read more

Do WordPress cron jobs slow down page loading?

If a user visits a site and his visit triggers a cron job that is quite intensive, the page load speed will be slower for him right? As I understand the page doesn’t wait for the cron job to execute before loading, but since the cron job would be running in parallel, it might still be the case that the page loads slower since the server is busy right?