Channels are custom resources that define a single event-forwarding and persistence layer.
After events have been sent to a channel from an event source or producer, these events can be sent to multiple Knative services, or other sinks, by using a subscription.
KafkaChannel channel implementations can be used with OpenShift Serverless for development use.
The following are limitations of
InMemoryChannel type channels:
No event persistence is available. If a pod goes down, events on that pod are lost.
InMemoryChannel channels do not implement event ordering, so two events that are received in the channel at the same time can be delivered to a subscriber in any order.
If a subscriber rejects an event, there are no re-delivery attempts by default. You can configure re-delivery attempts by modifying the
delivery spec in the