Lucas Bradstreet created KAFKA-10399:
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Summary: Producer and consumer clients could log IP addresses for
brokers to ease debugging
Key: KAFKA-10399
URL: https://issues.apache.org/jira/browse/KAFKA-10399
Project: Kafka
Issue Type: Improvement
Components: consumer, producer
Reporter: Lucas Bradstreet
Lag in DNS updates and resolution can cause connectivity problems in clients.
client.dns.lookup = "use_all_dns_ips"
helps reduce the incidence of such issues, however it's still possible for DNS
issues to cause real problems with clients.
The ZK client helpfully logs IP addresses with DNS addresses. We could do the
same thing in the Kafka clients, e.g.
{noformat}
Group coordinator broker3.my.kafka.cluster.com/52.32.14.201:9092 (id: 3738382
rack: null) is unavailable or invalid{noformat}
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