Kirk True created KAFKA-15284:
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Summary: Determine group protocol at client initialization
Key: KAFKA-15284
URL: https://issues.apache.org/jira/browse/KAFKA-15284
Project: Kafka
Issue Type: Task
Components: clients, consumer
Reporter: Kirk True
Assignee: Kirk True
At client initialization, we need to determine which of the
{{ConsumerDelegate}} implementations to use:
# {{LegacyKafkaConsumerDelegate}}
# {{AsyncKafkaConsumerDelegate}}
There are conditions defined by KIP-848 that determine client eligibility to
use the new protocol.
Known tasks:
* Determine at what point in the {{Consumer}} initialization the network
communication should happen
* Determine what RPCs to invoke in order to determine eligibility (API
versions, IBP version, etc.)
* Implement the network client lifecycle (startup, communication, shutdown,
etc.)
* Determine the fallback path in case the client is not eligible to use the
protocol
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