Any help on this subject please ? 2015-02-05 10:45 GMT+01:00 Anthony Pastor <anth...@stickyads.tv>:
> 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 > -- 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