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From "kaushik srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-6165) Kafka Brokers goes down with outOfMemoryError.
Date Fri, 03 Nov 2017 06:26:03 GMT
kaushik srinivas created KAFKA-6165:
---------------------------------------

             Summary: Kafka Brokers goes down with outOfMemoryError.
                 Key: KAFKA-6165
                 URL: https://issues.apache.org/jira/browse/KAFKA-6165
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.11.0.0
         Environment: DCOS cluster with 4 agent nodes and 3 masters.

agent machine config :
RAM : 384 GB
DISK : 4TB


            Reporter: kaushik srinivas
            Priority: Major
         Attachments: kafka_config.txt, stderr_broker1.txt, stderr_broker2.txt, stdout_broker1.txt,
stdout_broker2.txt

Performance testing kafka with end to end pipe lines of,
Kafka Data Producer -> kafka -> spark streaming -> hdfs -- stream1
Kafka Data Producer -> kafka -> flume -> hdfs -- stream2

stream1 kafka configs :
No of topics : 10
No of partitions : 20 for all the topics

stream2 kafka configs :
No of topics : 10
No of partitions : 20 for all the topics

Some important Kafka Configuration :
"BROKER_MEM": "32768"(32GB)
"BROKER_JAVA_HEAP": "16384"(16GB)
"BROKER_COUNT": "3"
"KAFKA_MESSAGE_MAX_BYTES": "1000012"(1MB)
"KAFKA_REPLICA_FETCH_MAX_BYTES": "1048576"(1MB)
"KAFKA_NUM_PARTITIONS": "20"
"BROKER_DISK_SIZE": "5000" (5GB)
"KAFKA_LOG_SEGMENT_BYTES": "50000000",(50MB)
"KAFKA_LOG_RETENTION_BYTES": "5000000000"(5GB)

Data Producer to kafka Throughput:

message rate : 5 lakhs messages/sec approx across all the 3 brokers and topics/partitions.
message size : approx 300 to 400 bytes.

Issues observed with this configs:

Issue 1:

stack trace:

[2017-11-03 00:56:28,484] FATAL [Replica Manager on Broker 0]: Halting due to unrecoverable
I/O error while handling produce request:  (kafka.server.ReplicaManager)
kafka.common.KafkaStorageException: I/O exception in append to log 'store_sales-16'
	at kafka.log.Log.append(Log.scala:349)
	at kafka.cluster.Partition$$anonfun$10.apply(Partition.scala:443)
	at kafka.cluster.Partition$$anonfun$10.apply(Partition.scala:429)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.utils.CoreUtils$.inReadLock(CoreUtils.scala:240)
	at kafka.cluster.Partition.appendMessagesToLeader(Partition.scala:429)
	at kafka.server.ReplicaManager$$anonfun$appendToLocalLog$2.apply(ReplicaManager.scala:407)
	at kafka.server.ReplicaManager$$anonfun$appendToLocalLog$2.apply(ReplicaManager.scala:393)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
	at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
	at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
	at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
	at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
	at scala.collection.mutable.HashMap.foreach(HashMap.scala:99)
	at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
	at scala.collection.AbstractTraversable.map(Traversable.scala:104)
	at kafka.server.ReplicaManager.appendToLocalLog(ReplicaManager.scala:393)
	at kafka.server.ReplicaManager.appendMessages(ReplicaManager.scala:330)
	at kafka.server.KafkaApis.handleProducerRequest(KafkaApis.scala:425)
	at kafka.server.KafkaApis.handle(KafkaApis.scala:78)
	at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:60)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Map failed
	at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:940)
	at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:116)
	at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:106)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.log.AbstractIndex.resize(AbstractIndex.scala:106)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply$mcV$sp(AbstractIndex.scala:160)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:160)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:160)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.log.AbstractIndex.trimToValidSize(AbstractIndex.scala:159)
	at kafka.log.Log.roll(Log.scala:771)
	at kafka.log.Log.maybeRoll(Log.scala:742)
	at kafka.log.Log.append(Log.scala:405)
	... 22 more
Caused by: java.lang.OutOfMemoryError: Map failed
	at sun.nio.ch.FileChannelImpl.map0(Native Method)
	at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:937)
	... 34 more
	

Issue 2 :

stack trace :

[2017-11-02 23:55:49,602] FATAL [ReplicaFetcherThread-0-0], Disk error while replicating data
for catalog_sales-3 (kafka.server.ReplicaFetcherThread)
kafka.common.KafkaStorageException: I/O exception in append to log 'catalog_sales-3'
	at kafka.log.Log.append(Log.scala:349)
	at kafka.server.ReplicaFetcherThread.processPartitionData(ReplicaFetcherThread.scala:130)
	at kafka.server.ReplicaFetcherThread.processPartitionData(ReplicaFetcherThread.scala:42)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2$$anonfun$apply$mcV$sp$1$$anonfun$apply$2.apply(AbstractFetcherThread.scala:159)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2$$anonfun$apply$mcV$sp$1$$anonfun$apply$2.apply(AbstractFetcherThread.scala:141)
	at scala.Option.foreach(Option.scala:257)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2$$anonfun$apply$mcV$sp$1.apply(AbstractFetcherThread.scala:141)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2$$anonfun$apply$mcV$sp$1.apply(AbstractFetcherThread.scala:138)
	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2.apply$mcV$sp(AbstractFetcherThread.scala:138)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2.apply(AbstractFetcherThread.scala:138)
	at kafka.server.AbstractFetcherThread$$anonfun$processFetchRequest$2.apply(AbstractFetcherThread.scala:138)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.server.AbstractFetcherThread.processFetchRequest(AbstractFetcherThread.scala:136)
	at kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:103)
	at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
Caused by: java.io.IOException: Map failed
	at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:940)
	at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:116)
	at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:106)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.log.AbstractIndex.resize(AbstractIndex.scala:106)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply$mcV$sp(AbstractIndex.scala:160)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:160)
	at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:160)
	at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:234)
	at kafka.log.AbstractIndex.trimToValidSize(AbstractIndex.scala:159)
	at kafka.log.Log.roll(Log.scala:771)
	at kafka.log.Log.maybeRoll(Log.scala:742)
	at kafka.log.Log.append(Log.scala:405)
	... 16 more
Caused by: java.lang.OutOfMemoryError: Map failed
	at sun.nio.ch.FileChannelImpl.map0(Native Method)
	at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:937)
	... 28 more

	
These two exceptions are happening across all the 3 brokers continously with the same kafka
configuration.
Broker dies with these exceptions.

Attached the log files for 2 issues of  two brokers.
Also attached is the kafka configuration json data being used.





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