BrianLing created KAFKA-3465: -------------------------------- Summary: kafka.tools.ConsumerOffsetChecker won't align with kafka New Consumer mode Key: KAFKA-3465 URL: https://issues.apache.org/jira/browse/KAFKA-3465 Project: Kafka Issue Type: Improvement Components: core Affects Versions: 0.9.0.0 Reporter: BrianLing
When we enable mirrorMake to migrate Kafka event from one to other with "new.consumer" mode: java -Xmx2G -server -XX:+UseG1GC -XX:MaxGCPauseMillis=20 -XX:InitiatingHeapOccupancyPercent=35 -XX:+DisableExplicitGC -Djava.awt.headless=true -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dkafka.logs.dir=/kafka/kafka-app-logs -Dlog4j.configuration=file:/kafka/kafka_2.10-0.9.0.0/bin/../config/tools-log4j.properties -cp :/kafka/kafka_2.10-0.9.0.0/bin/../libs/* -Dkafka.logs.filename=lvs-slca-mm.log kafka.tools.MirrorMaker lvs-slca-mm.log --consumer.config ../config/consumer.properties --new.consumer --num.streams 4 --producer.config ../config/producer-slca.properties --whitelist risk.* When we use ConsumerOffzsetChecker tool, notice the lag won't changed and the owner is none. bin/kafka-run-class.sh kafka.tools.ConsumerOffsetChecker --broker-info --group lvs.slca.mirrormaker --zookeeper lvsdmetlvm01.lvs.paypal.com:2181 --topic risk.radd.acct_misc01 Group Topic Pid Offset logSize Lag Owner lvs.slca.mirrormaker XXXX 0 418578332 418678347 100015 none lvs.slca.mirrormaker XXXX 1 418598026 418698338 100312 none I think it's due to 0.9.0 new feature to switch zookeeper dependency to kafka internal to store offset & consumer owner information. Does it mean we can not use the below command to check new consumer’s lag since current lag formula: lag= logSize – offset https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/tools/ConsumerOffsetChecker.scala#L80 https://github.com/apache/kafka/blob/0.9.0/core/src/main/scala/kafka/tools/ConsumerOffsetChecker.scala#L174-L182 => offSet Fetch from zookeeper instead of from Kafka -- This message was sent by Atlassian JIRA (v6.3.4#6332)