Queued Job Heartbeats

[rmcdaniel]

Heartbeats are a way to let a queued job ping and say "I'm still alive don't kill me!" Some jobs may run for 5 minutes or 5 hours. Instead of setting the timeout to 5 hours, we can leave it low and send a heartbeat within that interval to keep it running.

I have already added this to my library but it seems like it could be useful to the wider community and it is extremely simple.

https://github.com/laravel-workflow/laravel-workflow/blob/master/src/Activity.php#L95

Here's an example of how it can be used inside of a job.

$ffmpeg = FFMpeg::create();
$video = $ffmpeg->open($input);
$format = new WebM();
$format->on('progress', fn () => $this->heartbeat());
$video->save($format, $output);

Now we can set a reasonable job timeout of a few seconds but let ffmpeg run for however long it needs.

Thoughts?