[jira] [Created] (KAFKA-6853) ResponseMetadata calculates latency incorrectly (and therefore ZooKeeperRequestLatencyMs)

[Fuud (JIRA)]

Fuud created KAFKA-6853:
---------------------------

             Summary: ResponseMetadata calculates latency incorrectly (and 
therefore ZooKeeperRequestLatencyMs)
                 Key: KAFKA-6853
                 URL: https://issues.apache.org/jira/browse/KAFKA-6853
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 1.1.0
            Reporter: Fuud


responseTimeMs always negative.

Currently:
{code}
case class ResponseMetadata(sendTimeMs: Long, receivedTimeMs: Long) {
  def responseTimeMs: Long = sendTimeMs - receivedTimeMs
}
{code}

Should be:
{code}
case class ResponseMetadata(sendTimeMs: Long, receivedTimeMs: Long) {
  def responseTimeMs: Long = receivedTimeMs - sendTimeMs
}
{code}



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