Github user darionyaphet commented on the pull request:
https://github.com/apache/storm/pull/1143#issuecomment-187782060
hi @unsleepy22 this metric is use to count time interval when fetch
messages from Kafka Broker . In fetchMessage() , it's building a
`FetchResponse` , consumer fetch messages from broker and pick out message set
. I think it won't be return in 1ms :)
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