We're using Kafka 0.8.1.1 on debian 7.7 - Logs when i migrate a specific topic (~20GB) from kafka5 to kafka2 (No problem that way): - controller.log: No logs.
- Logs when i migrate the same specific topic from kafka2 to kafka5 (same problems as my original mail): - controller.log: [2015-02-05 10:40:18,693] DEBUG [PartitionsReassignedListener on 1]: Partitions reassigned listener fired for path /admin/reassign_partitions. Record partitions to be reassigned {"version":1,"partitions":[{"topic":"AdBidderZoneDealDailyKey","partition":0,"replicas":[4,5]}]} (kafka.controller.PartitionsReassignedListener) [2015-02-05 10:40:18,695] INFO [Controller 1]: Handling reassignment of partition [AdBidderZoneDealDailyKey,0] to new replicas 4,5 (kafka.controller.KafkaController) [2015-02-05 10:40:18,703] INFO [Controller 1]: New replicas 4,5 for partition [AdBidderZoneDealDailyKey,0] being reassigned not yet caught up with the leader (kafka.controller.KafkaController) [2015-02-05 10:40:18,710] DEBUG [Controller 1]: Updated path /brokers/topics/AdBidderZoneDealDailyKey with {"version":1,"partitions":{"0":[4,5,2]}} for replica assignment (kafka.controller.KafkaController) [2015-02-05 10:40:18,710] INFO [Controller 1]: Updated assigned replicas for partition [AdBidderZoneDealDailyKey,0] being reassigned to 4,5,2 (kafka.controller.KafkaController) [2015-02-05 10:40:18,710] DEBUG [Controller 1]: Updating leader epoch for partition [AdBidderZoneDealDailyKey,0]. (kafka.controller.KafkaController) [2015-02-05 10:40:18,718] INFO [Controller 1]: Updated leader epoch for partition [AdBidderZoneDealDailyKey,0] to 37 (kafka.controller.KafkaController) [2015-02-05 10:40:18,719] INFO [Replica state machine on controller 1]: Invoking state change to NewReplica for replicas [Topic=AdBidderZoneDealDailyKey,Partition=0,Replica=5] (kafka.controller.ReplicaStateMachine) [2015-02-05 10:40:18,721] INFO [Controller 1]: Waiting for new replicas 4,5 for partition [AdBidderZoneDealDailyKey,0] being reassigned to catch up with the leader (kafka.controller.KafkaController) [2015-02-05 10:40:18,721] INFO [AddPartitionsListener on 1]: Add Partition triggered {"version":1,"partitions":{"0":[4,5,2]}} for path /brokers/topics/AdBidderZoneDealDailyKey (kafka.controller.PartitionStateMachine$AddPartitionsListener) [2015-02-05 10:40:18,723] DEBUG [ReassignedPartitionsIsrChangeListener on controller 1]: Reassigned partitions isr change listener fired for path /brokers/topics/AdBidderZoneDealDailyKey/partitions/0/state with children {"controller_epoch":5,"leader":4,"version":1,"leader_epoch":37,"isr":[4,2]} (kafka.controller.ReassignedPartitionsIsrChangeListener) [2015-02-05 10:40:18,724] INFO [ReassignedPartitionsIsrChangeListener on controller 1]: 1/2 replicas have caught up with the leader for partition [AdBidderZoneDealDailyKey,0] being reassigned.Replica(s) 5 still need to catch up (kafka.controller.ReassignedPartitionsIsrChangeListener) [2015-02-05 10:40:18,852] INFO [AddPartitionsListener on 1]: Add Partition triggered {"version":1,"partitions":{"0":[4,5,2,7]}} for path /brokers/topics/AdBidderZoneDealDailyKey (kafka.controller.PartitionStateMachine$AddPartitionsListener) 2015-02-05 6:29 GMT+01:00 Jun Rao <j...@confluent.io>: > Which version of Kafka are you using? Anything interesting from the > controller log? > > Thanks, > > Jun > > On Wed, Feb 4, 2015 at 8:19 AM, Anthony Pastor <anth...@stickyads.tv> > wrote: > > > Hello, > > > > I'm trying to understand an awkward issue we're having on our Kafka > > production. > > We currently have 8 Kafka servers named: > > kafka1, kafka2, kafka3 ... > > > > Few weeks ago we migrated all topics present on kafka7 and then have > > shutdown it. > > > > The main issue is a performance issue on Kafka5. > > Topic migration are very slow. > > > > Today i tried to do a topic migration from kafka2 to kafka5. > > The awkward part is that we've kafka7 references like if it's on > > replication on this server : > > > > Here are my commands & comments: > > > > - Original state of the topic was : > > > > $ /usr/share/kafka/bin/kafka-topics.sh --zookeeper 172.16.22.1 --describe > > --topic AdBidderZoneDealDailyKey > > Topic:AdBidderZoneDealDailyKey PartitionCount:1 > > ReplicationFactor:2 Configs:retention.ms=604800000 > > Topic: AdBidderZoneDealDailyKey Partition: 0 Leader: 4 > > Replicas: 4,2 Isr: 4,2 > > > > > > - Then i ran a topic migration : > > > > $ /usr/share/kafka/bin/kafka-reassign-partitions.sh --zookeeper > > 172.16.22.1 --reassignment-json-file target-zone-deal-daily.json > --execute > > > > $ cat target-zone-deal-daily.json > > > > > {"version":1,"partitions":[{"topic":"AdBidderZoneDealDailyKey","partition":0,"replicas":[4,5]}]} > > > > > > - Now i've two issues : the replication is very very slow, and i've > kafka7 > > occurence (but we've shutdown this machine few weeks ago when all topic > > were migrated to other servers) : > > > > $ /usr/share/kafka/bin/kafka-topics.sh --zookeeper 172.16.22.1 --describe > > --topic AdBidderZoneDealDailyKey > > Topic:AdBidderZoneDealDailyKey PartitionCount:1 > > ReplicationFactor:4 Configs:retention.ms=604800000 > > Topic: AdBidderZoneDealDailyKey Partition: 0 Leader: 4 > > Replicas: 4,5,2,*7* Isr: 4,2 > > > > > > Does anyone have an idea on our issue please ? > > > > Regards. > > > > > > -- > > > > Anthony Pastor. > > > > <http://www.stickyads.tv/> > > > > [image: > > > http://www.stickyads.tv/wp-content/uploads/2013/03/StickyADS.tv-Black-Logo-PNG-300x46.png > ] > > <http://www.stickyads.tv/> > > PARIS | *MONTPELLIER* | MADRID | MILAN | HAMBURG | LONDON > > > -- Anthony Pastor. <http://www.stickyads.tv/> [image: http://www.stickyads.tv/wp-content/uploads/2013/03/StickyADS.tv-Black-Logo-PNG-300x46.png] <http://www.stickyads.tv/> PARIS | *MONTPELLIER* | MADRID | MILAN | HAMBURG | LONDON