Event Dispatcher

The Event Dispatcher provides all Drupal dispatch events, This module also allows to publish Topic and Drupal events(Like kernel, entity insert etc) as a message on
Kafka About Kafka . In short this module allow to publish possible events on kaka.

Apache Kafka is an open-source stream-processing software platform which is used to handle the real-time data storage. It works as a broker between two parties, i.e., a sender and a receiver. It can handle about trillions of data events in a day.

On any action(page load, entity insert) on Drupal site, different events are dispatch, this events are publish on Kafka.

To configure Event Dispatcher Kafka Go to => Admin Panel => Configuration => System and click on "Event dispatcher Kafka Configuration" Menu link and fill and enter the configuration form.

Module support/Requirement:
PHP 5.6 and above, libkafka v0.11.0, php extension rdkafka-3.0.3

If there are some other requirements of events, In that case use the following code after enabling event dispatcher module and achieve the requirement as per need.

class ModuleNameServiceProvider extends ServiceProviderBase {
  public function alter(ContainerBuilder $container) {
    $container = $container->getDefinition('service_name');
    $container->setClass("Path of class");
  }
}

Also add this method in a that overwritten class

public function send($event_name, $event) {}

Installation:
By composer
composer require 'drupal/event_dispatchers:1.0.x-dev'
drush en event_dispatcher && drush en event_dispatcher_kafka