[ https://issues.apache.org/jira/browse/KAFKA-669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neha Narkhede updated KAFKA-669: -------------------------------- Description: I setup a test cluster of 5 brokers and setup migration tool to send data for ~1000 partitions to this cluster. I see a bunch of FailedToSendMessageExceptions on the producer. After tracing some of these failed requests, I found that the broker sends a ProducerResponseStatus(-1, -1) to the producer. The impact is the producer marks the messages for those partitions as failed, retries and eventually gives up. This seems like a bug in the truncation logic. I traced the state changes topic SpamReportEvent and seems like first it was the follower, so it truncated its log. Then it became the leader and got into an irrecoverable error state due to log rolling. [2012-12-12 01:47:01,951] INFO [Log Manager on Broker 3] Loading log 'SpamReportEvent-0' (kafka.log.LogManager) [2012-12-12 01:47:01,951] INFO Creating log segment /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.log (kafka.log.FileMessageSet) [2012-12-12 01:47:01,951] INFO Created index file /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.index with maxEntries = 1310720, maxIndexSize = 10485760, entries = 1310720, lastOffset = 0 (kafka.log.OffsetIndex) [2012-12-12 01:47:02,949] INFO Replica Manager on Broker 3: Starting the follower state transition to follow leader 4 for topic SpamReportEvent partition 0 (kafka.server.ReplicaManager) [2012-12-12 01:47:02,950] INFO [Kafka Log on Broker 3], Truncated log segment /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.log to target offset 0 (kafka.log.Log) [2012-12-12 01:47:34,745] INFO Replica Manager on Broker 3: Becoming Leader for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) [2012-12-12 01:47:34,745] INFO Replica Manager on Broker 3: Completed the leader state transition for topic SpamReportEvent partition 0 (kafka.server.ReplicaManager) [2012-12-12 01:47:36,071] INFO Replica Manager on Broker 3: Becoming Leader for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) [2012-12-12 01:47:36,071] INFO Replica Manager on Broker 3: Completed the leader state transition for topic SpamReportEvent partition 0 (kafka.server.ReplicaManager) [2012-12-12 01:48:10,545] INFO Replica Manager on Broker 3: Becoming Leader for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) [2012-12-12 01:48:10,545] INFO Replica Manager on Broker 3: Completed the leader state transition for topic SpamReportEvent partition 0 (kafka.server.ReplicaManager) [2012-12-12 02:02:08,148] ERROR [KafkaApi-3] Error processing ProducerRequest on SpamReportEvent:0 (kafka.server.Kafka Apis) [2012-12-12 02:06:06,081] ERROR [KafkaApi-3] Error processing ProducerRequest on SpamReportEvent:0 (kafka.server.KafkaApis) kafka.common.KafkaException: Trying to roll a new log segment for topic partition SpamReportEvent-0 with start offset 0 while it already exists at kafka.log.Log.rollToOffset(Log.scala:465) at kafka.log.Log.roll(Log.scala:443) at kafka.log.Log.maybeRoll(Log.scala:431) at kafka.log.Log.append(Log.scala:258) at kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:246) at kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:239) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) at scala.collection.immutable.Map$Map1.foreach(Map.scala:105) at scala.collection.TraversableLike$class.map(TraversableLike.scala:206) at scala.collection.immutable.Map$Map1.map(Map.scala:93) at kafka.server.KafkaApis.appendToLocalLog(KafkaApis.scala:239) at kafka.server.KafkaApis.handleProducerRequest(KafkaApis.scala:179) at kafka.server.KafkaApis.handle(KafkaApis.scala:56) at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:41) at java.lang.Thread.run(Thread.java:619) was: I setup a test cluster of 5 brokers and setup migration tool to send data for ~1000 partitions to this cluster. I see a bunch of FailedToSendMessageExceptions on the producer. After tracing some of these failed requests, I found that the broker successfully completed the requests, yet sends a ProducerResponseStatus(-1, -1) to the producer. The impact is the producer marks the messages for those partitions as failed, retries and eventually gives up. This seems like a bug on the broker. The producer's log says - [2012-12-11 23:00:22,179] DEBUG Producer sending messages with correlation id 60626 for topics Map([SpamReportEvent,0] -> ByteBufferMessageSet(MessageAndOffset(Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.nio.HeapByteBuffer[pos=0 lim=159 cap=159]),0), )) to broker 3 on 172.20.72.46:9092 (kafka.producer.async.DefaultEventHandler) [2012-12-11 23:00:22,179] INFO Connected to 172.20.72.46:9092 for producing (kafka.producer.SyncProducer) [2012-12-11 23:00:22,185] DEBUG Producer sent messages for topics Map([SpamReportEvent,0] -> ByteBufferMessageSet(MessageAndOffset(Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.nio.HeapByteBuffer[pos=0 lim=159 cap=159]),0), )) to broker 3 on (kafka.producer.async.DefaultEventHandler) [2012-12-11 23:00:22,185] DEBUG Produce request with correlation id 60626 failed due to response ProducerResponse(0,60 626,Map([SpamReportEvent,0] -> ProducerResponseStatus(-1,-1))). List of failed topic partitions is [CommGe nericMessageSendEvent,1] (kafka.producer.async.DefaultEventHandler) [2012-12-11 23:00:22,285] INFO Fetching metadata with correlation id 60627 for 1 topic(s) Set(SpamReportEvent) (kafka.client.ClientUtils$) [2012-12-11 23:00:22,312] ERROR Failed to send the following requests with correlation id 60627: ArrayBuffer(KeyedMessage(SpamReportEvent,null,Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.n io.HeapByteBuffer[pos=0 lim=159 cap=159]))) (kafka.producer.async.DefaultEventHandler) [2012-12-11 23:00:22,314] ERROR Error in handling batch of 200 events (kafka.producer.async.ProducerSendThread) kafka.common.FailedToSendMessageException: Failed to send messages after 3 tries. at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:73) at kafka.producer.async.ProducerSendThread.tryToHandle(ProducerSendThread.scala:104) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:87) at kafka.producer.async.ProducerSendThread$$anonfun$processEvents$3.apply(ProducerSendThread.scala:67) at scala.collection.immutable.Stream.foreach(Stream.scala:254) at kafka.producer.async.ProducerSendThread.processEvents(ProducerSendThread.scala:66) at kafka.producer.async.ProducerSendThread.run(ProducerSendThread.scala:44) Tracing produce request with correlation id 60626 on broker 3 - [2012-12-11 23:00:22,180] TRACE Received request with correlation id 60626 from client : ProducerRequest(0,60626,,0,3000,Map([SpamReportEvent,0] -> ByteBufferMessageSet(MessageAndOffset(Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.nio.HeapByteBuffer[pos=0 lim=159 cap=159]),0), ))) (kafka.network.RequestChannel$) [2012-12-11 23:00:22,180] TRACE Handling ProducerRequest with correlation id 60626 from client : ProducerRequest(0,60626,,0,3000,Map([SpamReportEvent,0] -> ByteBufferMessageSet(MessageAndOffset(Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.nio.HeapByteBuffer[pos=0 lim=159 cap=159]),0), ))) (kafka.request.logger) [2012-12-11 23:00:22,184] TRACE Completed request with correlation id 60626 and client : ProducerRequest(0,60626,,0,3000,Map([SpamReportEvent,0] -> ByteBufferMessageSet(MessageAndOffset(Message(magic = 2, attributes = 0, crc = 2412809952, key = null, payload = java.nio.HeapByteBuffer[pos=0 lim=159 cap=159]),0), ))), totalTime:4, queueTime:0, localTime:4, remoteTime:0, sendTime:0 (kafka.network.RequestChannel$) [2012-12-12 02:06:06,081] ERROR [KafkaApi-3] Error processing ProducerRequest on SpamReportEvent:0 (kafka.server.KafkaApis) kafka.common.KafkaException: Trying to roll a new log segment for topic partition SpamReportEvent-0 with start offset 0 while it already exists at kafka.log.Log.rollToOffset(Log.scala:465) at kafka.log.Log.roll(Log.scala:443) at kafka.log.Log.maybeRoll(Log.scala:431) at kafka.log.Log.append(Log.scala:258) at kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:246) at kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:239) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) at scala.collection.immutable.Map$Map1.foreach(Map.scala:105) at scala.collection.TraversableLike$class.map(TraversableLike.scala:206) at scala.collection.immutable.Map$Map1.map(Map.scala:93) at kafka.server.KafkaApis.appendToLocalLog(KafkaApis.scala:239) at kafka.server.KafkaApis.handleProducerRequest(KafkaApis.scala:179) at kafka.server.KafkaApis.handle(KafkaApis.scala:56) at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:41) at java.lang.Thread.run(Thread.java:619) > Irrecoverable error on leader while rolling to a new segment > ------------------------------------------------------------ > > Key: KAFKA-669 > URL: https://issues.apache.org/jira/browse/KAFKA-669 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.8 > Reporter: Neha Narkhede > Priority: Blocker > Labels: bugs > Fix For: 0.8 > > > I setup a test cluster of 5 brokers and setup migration tool to send data for > ~1000 partitions to this cluster. I see a bunch of > FailedToSendMessageExceptions on the producer. After tracing some of these > failed requests, I found that the broker sends a ProducerResponseStatus(-1, > -1) to the producer. The impact is the producer marks the messages for those > partitions as failed, retries and eventually gives up. This seems like a bug > in the truncation logic. I traced the state changes topic SpamReportEvent and > seems like first it was the follower, so it truncated its log. Then it became > the leader and got into an irrecoverable error state due to log rolling. > [2012-12-12 01:47:01,951] INFO [Log Manager on Broker 3] Loading log > 'SpamReportEvent-0' (kafka.log.LogManager) > [2012-12-12 01:47:01,951] INFO Creating log segment > /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.log > (kafka.log.FileMessageSet) > [2012-12-12 01:47:01,951] INFO Created index file > /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.index > with maxEntries = 1310720, maxIndexSize = 10485760, entries = 1310720, > lastOffset = 0 (kafka.log.OffsetIndex) > [2012-12-12 01:47:02,949] INFO Replica Manager on Broker 3: Starting the > follower state transition to follow leader 4 for topic SpamReportEvent > partition 0 (kafka.server.ReplicaManager) > [2012-12-12 01:47:02,950] INFO [Kafka Log on Broker 3], Truncated log segment > /mnt/u001/kafka_08_long_running_test/kafka-logs/SpamReportEvent-0/00000000000000000000.log > to target offset 0 (kafka.log.Log) > [2012-12-12 01:47:34,745] INFO Replica Manager on Broker 3: Becoming Leader > for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) > [2012-12-12 01:47:34,745] INFO Replica Manager on Broker 3: Completed the > leader state transition for topic SpamReportEvent partition 0 > (kafka.server.ReplicaManager) > [2012-12-12 01:47:36,071] INFO Replica Manager on Broker 3: Becoming Leader > for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) > [2012-12-12 01:47:36,071] INFO Replica Manager on Broker 3: Completed the > leader state transition for topic SpamReportEvent partition 0 > (kafka.server.ReplicaManager) > [2012-12-12 01:48:10,545] INFO Replica Manager on Broker 3: Becoming Leader > for topic [SpamReportEvent] partition [0] (kafka.server.ReplicaManager) > [2012-12-12 01:48:10,545] INFO Replica Manager on Broker 3: Completed the > leader state transition for topic SpamReportEvent partition 0 > (kafka.server.ReplicaManager) > [2012-12-12 02:02:08,148] ERROR [KafkaApi-3] Error processing ProducerRequest > on SpamReportEvent:0 (kafka.server.Kafka > Apis) > [2012-12-12 02:06:06,081] ERROR [KafkaApi-3] Error processing ProducerRequest > on SpamReportEvent:0 (kafka.server.KafkaApis) > kafka.common.KafkaException: Trying to roll a new log segment for topic > partition SpamReportEvent-0 with start offset 0 while it already exists > at kafka.log.Log.rollToOffset(Log.scala:465) > at kafka.log.Log.roll(Log.scala:443) > at kafka.log.Log.maybeRoll(Log.scala:431) > at kafka.log.Log.append(Log.scala:258) > at > kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:246) > at > kafka.server.KafkaApis$$anonfun$appendToLocalLog$2.apply(KafkaApis.scala:239) > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) > at > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206) > at scala.collection.immutable.Map$Map1.foreach(Map.scala:105) > at > scala.collection.TraversableLike$class.map(TraversableLike.scala:206) > at scala.collection.immutable.Map$Map1.map(Map.scala:93) > at kafka.server.KafkaApis.appendToLocalLog(KafkaApis.scala:239) > at kafka.server.KafkaApis.handleProducerRequest(KafkaApis.scala:179) > at kafka.server.KafkaApis.handle(KafkaApis.scala:56) > at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:41) > at java.lang.Thread.run(Thread.java:619) -- This message is automatically generated by JIRA. 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