Ted Yu created KAFKA-5911:
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Summary: Avoid creation of extra Map for futures in
KafkaAdminClient
Key: KAFKA-5911
URL: https://issues.apache.org/jira/browse/KAFKA-5911
Project: Kafka
Issue Type: Bug
Reporter: Ted Yu
In various methods from KafkaAdminClient, there is extra Map created when
constructing XXResult instance.
e.g.
{code}
return new DescribeReplicaLogDirResult(new
HashMap<TopicPartitionReplica, KafkaFuture<ReplicaLogDirInfo>>(futures));
{code}
Prior to returning, futures Map is already filled.
Calling get() and values() does not involve the internals of HashMap when we
consider thread-safety.
The extra Map doesn't need to be created.
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