There are mbeans named KafkaCommitsPerSec and ZooKeeperCommitsPerSec - can you look those up and see what they report?
On Thu, Feb 12, 2015 at 07:32:39PM +0800, tao xiao wrote: > Hi team, > > I was trying to migrate my consumer offset from kafka to zookeeper. > > Here is the original settings of my consumer > > props.put("offsets.storage", "kafka"); > > props.put("dual.commit.enabled", "false"); > Here is the steps > > 1. set dual.commit.enabled=true > 2. restart my consumer and monitor offset lag with > kafka.tools.ConsumerOffsetChecker > 3. set offsets.storage=zookeeper > 4. restart my consumer and monitor offset lag with > kafka.tools.ConsumerOffsetChecker > > After step 4 my consumer was able to continually consume data from topic > but the offset lag remained unchanged. Did I do anything wrong? > > -- > Regards, > Tao