Niket Goel created KAFKA-13986:
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Summary: DescribeQuorum does not return the observers (brokers)
for the Metadata log
Key: KAFKA-13986
URL: https://issues.apache.org/jira/browse/KAFKA-13986
Project: Kafka
Issue Type: Improvement
Components: kraft
Affects Versions: 3.0.1, 3.0.0
Reporter: Niket Goel
h2. Background
While working on the [PR|https://github.com/apache/kafka/pull/12206] for
KIP-836, we realized that the `DescribeQuorum` API does not return the brokers
as observers for the metadata log.
As noted by [~dengziming] :
_We set nodeId=-1 if it's a broker so observers.size==0_
The related code is:
[https://github.com/apache/kafka/blob/4c9eeef5b2dff9a4f0977fbc5ac7eaaf930d0d0e/core/src/main/scala/kafka/raft/RaftManager.scala#L185-L189]
{code:java}
val nodeId = if (config.processRoles.contains(ControllerRole))
{ OptionalInt.of(config.nodeId) }
else
{ OptionalInt.empty() }
{code}
h2. ToDo
We should fix this and have the DescribeMetadata API return the brokers as
observers for the metadata log.
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