This document describes the current stable version of Celery (5.0). For development docs, go here.

celery.worker.heartbeat

Heartbeat service.

This is the internal thread responsible for sending heartbeat events at regular intervals (may not be an actual thread).

class celery.worker.heartbeat.Heart(timer, eventer, interval=None)

Timer sending heartbeats at regular intervals.

Parameters

• timer (kombu.asynchronous.timer.Timer) – Timer to use.

• eventer (celery.events.EventDispatcher) – Event dispatcher to use.

• interval (float) – Time in seconds between sending heartbeats. Default is 2 seconds.

start()

stop()