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From Jun Rao <jun...@gmail.com>
Subject Re: KafkaException: This operation cannot be completed on a complete request
Date Fri, 18 Apr 2014 17:41:41 GMT
Any errors from the controller/state-change log?

Thanks,

Jun


On Fri, Apr 18, 2014 at 9:57 AM, Alex Demidko <alexander@metamarkets.com>wrote:

> Hi,
>
> I’m performing a producing load test on two node kafka cluster built from
> the last 0.8.1 branch sources. I have topic loadtest with replication
> factor 2 and 256 partitions. Initially both brokers are in ISR and
> leadership is balanced. When in the middle of the load test one broker was
> restarted (wasn’t able to go with controlled shutdown in specified time and
> was killed), I started receiving following errors which as far as I
> understand coming from replication:
>
>
> On restarted broker
>
> 2014-04-18 16:15:02,214 ERROR [ReplicaFetcherThread-5-2]
> kafka.server.ReplicaFetcherThread - [ReplicaFetcherThread-5-2], Error in
> fetch Name: FetchRequest; Version: 0; CorrelationId: 52890; ClientId:
> ReplicaFetcherThread-5-2; ReplicaId: 1; MaxWait: 1000 ms; MinBytes: 1
> bytes; RequestInfo: [loadtest2,71] ->
> PartitionFetchInfo(0,104857600),[loadtest,85] ->
> PartitionFetchInfo(113676000,104857600),[loadtest,189] ->
> PartitionFetchInfo(112277000,104857600),[loadtest,21] ->
> PartitionFetchInfo(0,104857600),[loadtest,205] ->
> PartitionFetchInfo(112986000,104857600),[loadtest,141] ->
> PartitionFetchInfo(0,104857600),[loadtest,253] ->
> PartitionFetchInfo(0,104857600),[loadtest,77] ->
> PartitionFetchInfo(0,104857600),[loadtest,61] ->
> PartitionFetchInfo(112490000,104857600),[loadtest,229] ->
> PartitionFetchInfo(112805000,104857600),[loadtest,133] ->
> PartitionFetchInfo(0,104857600),[loadtest2,15] ->
> PartitionFetchInfo(0,104857600),[loadtest2,63] ->
> PartitionFetchInfo(0,104857600),[loadtest,181] ->
> PartitionFetchInfo(0,104857600),[loadtest,5] ->
> PartitionFetchInfo(112530000,104857600),[loadtest,29] ->
> PartitionFetchInfo(0,104857600),[loadtest,45] ->
> PartitionFetchInfo(113113000,104857600),[loadtest2,39] ->
> PartitionFetchInfo(0,104857600),[loadtest,37] ->
> PartitionFetchInfo(112145000,104857600),[loadtest,13] ->
> PartitionFetchInfo(112915000,104857600),[loadtest,237] ->
> PartitionFetchInfo(112896000,104857600),[loadtest,149] ->
> PartitionFetchInfo(113232000,104857600),[loadtest,117] ->
> PartitionFetchInfo(113100000,104857600),[loadtest,157] ->
> PartitionFetchInfo(0,104857600),[loadtest,165] ->
> PartitionFetchInfo(0,104857600),[loadtest,101] ->
> PartitionFetchInfo(0,104857600),[loadtest,93] ->
> PartitionFetchInfo(113025000,104857600),[loadtest,125] ->
> PartitionFetchInfo(112896000,104857600),[loadtest,197] ->
> PartitionFetchInfo(0,104857600),[loadtest,109] ->
> PartitionFetchInfo(0,104857600),[loadtest,245] ->
> PartitionFetchInfo(0,104857600),[loadtest,213] ->
> PartitionFetchInfo(0,104857600),[loadtest,53] ->
> PartitionFetchInfo(0,104857600),[loadtest,173] ->
> PartitionFetchInfo(112757000,104857600),[loadtest,69] ->
> PartitionFetchInfo(112378000,104857600),[loadtest,221] ->
> PartitionFetchInfo(0,104857600)
> java.io.EOFException: Received -1 when reading from channel, socket has
> likely been closed.
>         at kafka.utils.Utils$.read(Utils.scala:376)
>         at
> kafka.network.BoundedByteBufferReceive.readFrom(BoundedByteBufferReceive.scala:54)
>         at
> kafka.network.Receive$class.readCompletely(Transmission.scala:56)
>         at
> kafka.network.BoundedByteBufferReceive.readCompletely(BoundedByteBufferReceive.scala:29)
>         at kafka.network.BlockingChannel.receive(BlockingChannel.scala:100)
>         at
> kafka.consumer.SimpleConsumer.liftedTree1$1(SimpleConsumer.scala:81)
>         at
> kafka.consumer.SimpleConsumer.kafka$consumer$SimpleConsumer$$sendRequest(SimpleConsumer.scala:71)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply$mcV$sp(SimpleConsumer.scala:109)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply(SimpleConsumer.scala:109)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1$$anonfun$apply$mcV$sp$1.apply(SimpleConsumer.scala:109)
>         at kafka.metrics.KafkaTimer.time(KafkaTimer.scala:33)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply$mcV$sp(SimpleConsumer.scala:108)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply(SimpleConsumer.scala:108)
>         at
> kafka.consumer.SimpleConsumer$$anonfun$fetch$1.apply(SimpleConsumer.scala:108)
>         at kafka.metrics.KafkaTimer.time(KafkaTimer.scala:33)
>         at kafka.consumer.SimpleConsumer.fetch(SimpleConsumer.scala:107)
>         at
> kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:96)
>         at
> kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:88)
>         at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)
> 2014-04-18 16:15:02,215 WARN  [ReplicaFetcherThread-1-2]
> kafka.consumer.SimpleConsumer - Reconnect due to socket error: null
>
>
> On current leader
>
> 2014-04-18 16:15:10,235 ERROR [kafka-processor-9092-1]
> kafka.network.Processor - Closing socket for /10.41.133.59 because of
> error
> kafka.common.KafkaException: This operation cannot be completed on a
> complete request.
>         at
> kafka.network.Transmission$class.expectIncomplete(Transmission.scala:34)
>         at
> kafka.api.FetchResponseSend.expectIncomplete(FetchResponse.scala:191)
>         at kafka.api.FetchResponseSend.writeTo(FetchResponse.scala:214)
>         at kafka.network.Processor.write(SocketServer.scala:375)
>         at kafka.network.Processor.run(SocketServer.scala:247)
>         at java.lang.Thread.run(Thread.java:744)
>
>
> These errors are constantly bubbling up in logs and restarted broker never
> made it back to ISR even when the load test was stopped.
>
>
> Kafka configuration:
>
> host.name                                   = #{IP_ADDR}
> port                                        = 9092
> socket.send.buffer.bytes                    = 1048576
> socket.receive.buffer.bytes                 = 1048576
> socket.request.max.bytes                    = 104857600
> num.io.threads                              = 24
> queued.max.requests                         = 1024
> fetch.purgatory.purge.interval.requests     = 1024
> producer.purgatory.purge.interval.requests  = 1024
>
>
>
> broker.id                                   = #{BROKER_ID}
>
> log.flush.interval.messages                 = 100000
> log.flush.scheduler.interval.ms             = 1000
> log.flush.interval.ms                       = 2000
>
> log.dirs                                    = \
>
> /mnt1/tmp/kafka-logs,/mnt2/tmp/kafka-logs,/mnt3/tmp/kafka-logs,/mnt4/tmp/kafka-logs,\
>
> /mnt5/tmp/kafka-logs,/mnt6/tmp/kafka-logs,/mnt7/tmp/kafka-logs,/mnt8/tmp/kafka-logs,\
>
> /mnt9/tmp/kafka-logs,/mnt10/tmp/kafka-logs,/mnt11/tmp/kafka-logs,/mnt12/tmp/kafka-logs,\
>
> /mnt13/tmp/kafka-logs,/mnt14/tmp/kafka-logs,/mnt15/tmp/kafka-logs,/mnt16/tmp/kafka-logs,\
>
> /mnt17/tmp/kafka-logs,/mnt18/tmp/kafka-logs,/mnt19/tmp/kafka-logs,/mnt20/tmp/kafka-logs,\
>
> /mnt21/tmp/kafka-logs,/mnt22/tmp/kafka-logs,/mnt23/tmp/kafka-logs,/mnt24/tmp/kafka-logs
>
> log.segment.bytes                           = 1000000000
> log.roll.hours                              = 1
>
> log.retention.minutes                       = 10080
> log.retention.check.interval.ms             = 300000
> log.cleanup.policy                          = delete
>
> log.index.size.max.bytes                    = 10485760
>
> num.partitions                              = 256
> auto.create.topics.enable                   = false
>
>
> default.replication.factor                      = 2
> replica.lag.time.max.ms                         = 15000
> replica.lag.max.messages                        = 750000
> num.replica.fetchers                            = 8
> replica.socket.timeout.ms                       = 30000
> replica.socket.receive.buffer.bytes             = 1048576
> replica.fetch.max.bytes                         = 104857600
> replica.fetch.wait.max.ms                       = 1000
> replica.fetch.min.bytes                         = 1
> replica.high.watermark.checkpoint.interval.ms   = 5000
>
> controlled.shutdown.enable                      = true
> controlled.shutdown.max.retries                 = 1
> controlled.shutdown.retry.backoff.ms            = 300000
>
> auto.leader.rebalance.enable                    = true
> leader.imbalance.per.broker.percentage          = 10
> leader.imbalance.check.interval.seconds         = 300
>
>
> zookeeper.connect                           = #{ZK_PATH}
> zookeeper.session.timeout.ms                = 30000
> zookeeper.connection.timeout.ms             = 30000
>
>
> Why this might happen?
>
>
> Thanks,
> Alex

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