"sh mqadmin resetOffsetByTime -g consumerGroup -t topic -s now" After the above command is executed, the difference value between broker offset and consumer offset is 1, should it be expected to be 0? <img width="1154" alt="image" src="https://user-images.githubusercontent.com/13062159/53610344-6b0c9300-3c05-11e9-95f9-eaae3cb87905.png">