Graceful shutdown | Laravel Kafka

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- - [ Introduction ](/docs/v2.9/introduction)
    - [ Requirements ](/docs/v2.9/requirements)
    - [ Installation and Setup ](/docs/v2.9/installation-and-setup)
    - [ Questions and issues ](/docs/v2.9/questions-and-issues)
    - [ Changelog ](/docs/v2.9/changelog)
    - [ Upgrade guide ](/docs/v2.9/upgrade-guide)
    - [ Example docker-compose file ](/docs/v2.9/example-docker-compose)
- Producing messages
    ------------------

    - [ Producing messages ](/docs/v2.9/producing-messages/producing-messages)
    - [ Configuring your kafka producer ](/docs/v2.9/producing-messages/configuring-producers)
    - [ Configuring message payload ](/docs/v2.9/producing-messages/configuring-message-payload)
    - [ Custom serializers ](/docs/v2.9/producing-messages/custom-serializers)
    - [ Publishing to kafka ](/docs/v2.9/producing-messages/publishing-to-kafka)
- Consuming messages
    ------------------

    - [ Creating a kafka consumer ](/docs/v2.9/consuming-messages/creating-consumer)
    - [ Subscribing to kafka topics ](/docs/v2.9/consuming-messages/subscribing-to-kafka-topics)
    - [ Using regex to subscribe to kafka topics ](/docs/v2.9/consuming-messages/using-regex-to-subscribe-to-kafka-topics)
    - [ Assigning consumers to a topic partition ](/docs/v2.9/consuming-messages/assigning-partitions)
    - [ Consuming messages from specific offsets ](/docs/v2.9/consuming-messages/consuming-from-specific-offsets)
    - [ Consumer groups ](/docs/v2.9/consuming-messages/consumer-groups)
    - [ Partition Discovery and Dynamic Assignment ](/docs/v2.9/consuming-messages/partition-discovery)
    - [ Message handlers ](/docs/v2.9/consuming-messages/message-handlers)
    - [ Configuring consumer options ](/docs/v2.9/consuming-messages/configuring-consumer-options)
    - [ Custom deserializers ](/docs/v2.9/consuming-messages/custom-deserializers)
    - [ Consuming messages ](/docs/v2.9/consuming-messages/consuming-messages)
    - [ Class structure ](/docs/v2.9/consuming-messages/class-structure)
    - [ Queueable handlers ](/docs/v2.9/consuming-messages/queueable-handlers)
- Advanced usage
    --------------

    - [ Replacing the default serializer/deserializer ](/docs/v2.9/advanced-usage/replacing-default-serializer)
    - [ Graceful shutdown ](/docs/v2.9/advanced-usage/graceful-shutdown)
    - [ SASL Authentication ](/docs/v2.9/advanced-usage/sasl-authentication)
    - [ Custom Committers ](/docs/v2.9/advanced-usage/custom-committers)
    - [ Manual Commit ](/docs/v2.9/advanced-usage/manual-commit)
    - [ Middlewares ](/docs/v2.9/advanced-usage/middlewares)
    - [ Stop consumer after last messages ](/docs/v2.9/advanced-usage/stop-consumer-after-last-message)
    - [ Stop consumer on demand ](/docs/v2.9/advanced-usage/stopping-a-consumer)
    - [ Writing custom loggers ](/docs/v2.9/advanced-usage/custom-loggers)
    - [ Before and after callbacks ](/docs/v2.9/advanced-usage/before-callbacks)
    - [ Setting global configurations ](/docs/v2.9/advanced-usage/setting-global-configuration)
    - [ Sending multiple messages with the same producer ](/docs/v2.9/advanced-usage/sending-multiple-messages-with-the-same-producer)
- Testing
    -------

    - [ Kafka fake ](/docs/v2.9/testing/fake)
    - [ Assert Published ](/docs/v2.9/testing/assert-published)
    - [ Assert published On ](/docs/v2.9/testing/assert-published-on)
    - [ Assert nothing published ](/docs/v2.9/testing/assert-nothing-published)
    - [ Assert published times ](/docs/v2.9/testing/assert-published-times)
    - [ Assert published on times ](/docs/v2.9/testing/assert-published-on-times)
    - [ Mocking your kafka consumer ](/docs/v2.9/testing/mocking-your-kafka-consumer)

  Graceful shutdown
===================

Stopping consumers is very useful if you want to ensure you don't kill a process halfway through processing a consumed message.

Consumers automatically listen to the `SIGTERM`, `SIGINT` and `SIQUIT` signals, which means you can easily stop your consumers using those signals.

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### [](#content-running-callbacks-when-the-consumer-stops "Permalink")Running callbacks when the consumer stops

If your app requires that you run sum sort of processing when the consumers stop processing messages, you can use the `onStopConsume` method, available on the `\Junges\Kafka\Contracts\CanConsumeMessages` interface. This method accepts a `Closure` that will run once your consumer stops consuming.

         ```
use Junges\Kafka\Facades\Kafka;

$consumer = Kafka::consumer(['topic'])
    ->withConsumerGroupId('group')
    ->withHandler(new Handler)
    ->onStopConsuming(static function () {
        // Do something when the consumer stop consuming messages
    })
    ->build();

$consumer->consume();
```

> This features requires [ Process Control Extension ](https://www.php.net/manual/en/book.pcntl.php) to be installed.

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 Next  [ SASL Authentication    ](https://laravelkafka.com/docs/v2.9/advanced-usage/sasl-authentication)

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