Rajini Sivaram created KAFKA-7188:
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             Summary: Avoid reverse DNS lookup in SASL channel builder
                 Key: KAFKA-7188
                 URL: https://issues.apache.org/jira/browse/KAFKA-7188
             Project: Kafka
          Issue Type: Bug
          Components: network
            Reporter: Rajini Sivaram
            Assignee: Rajini Sivaram


SaslChannelBuilder uses InetAddress.getHostName which may perform reverse DNS 
lookup, causing delays in some environments. We should replace these with 
SocketAddress.getHostString if possible.



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