kafka 部分问题处理记录

Posted 2020-10-08 sanmutongzi

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一 broker启动后ReplicaFetcherThread OOM

版本：0.8.2.2

错误现象，server启动日志：

WARN [ReplicaFetcherThread-1-21], Error in fetch Name: FetchRequest; Version: 0; CorrelationId: 8; ClientId: ReplicaFetcherThread-1-21; ReplicaId: 20; MaxWait: 500 ms; MinBytes: 1 bytes; RequestInfo: [topic_a,28] -> PartitionFetchInfo(13372825,400000000),[topic_b-live,19] -> PartitionFetchInfo(2382784277,400000000),[topic_b-user,2] -> PartitionFetchInfo(2230117428,400000000),[topic_b_like,20] -> PartitionFetchInfo(0,400000000),[topic_b-group,32] -> PartitionFetchInfo(0,400000000),[topic_b_live,1] -> PartitionFetchInfo(1352237,400000000),[topic_b-log,1] -> PartitionFetchInfo(12598395616,400000000),[topic_b_microvideo,18] -> PartitionFetchInfo(0,400000000),[topic_b-group,92] -> PartitionFetchInfo(0,400000000),[bl_generic_event_detail,10] -> PartitionFetchInfo(27302121,400000000),[__consumer_offsets,14] -> PartitionFetchInfo(0,400000000),[__consumer_offsets,18] -> PartitionFetchInfo(0,400000000),[topic_b_group,12] -> PartitionFetchInfo(7323,400000000),[topic_b_feed,19] -> PartitionFetchInfo(232378,400000000),[topic_b_nearby,26] -> PartitionFetchInfo(0,400000000),[topic_b_user,20] -> PartitionFetchInfo(265,400000000),[topic_b_banners,2] -> PartitionFetchInfo(0,400000000). Possible cause: java.lang.OutOfMemoryError: Java heap space (kafka.server.ReplicaFetcherThread)
[2017-08-10 11:09:55,310] WARN [ReplicaFetcherThread-3-23], Error in fetch Name: FetchRequest; Version: 0; CorrelationId: 5; ClientId: ReplicaFetcherThread-3-23; ReplicaId: 20; MaxWait: 500 ms; MinBytes: 1 bytes; RequestInfo: [topic_b_microvideo,8] -> PartitionFetchInfo(37116,400000000),[topic_b-common,12] -> PartitionFetchInfo(5378147776,400000000),[topic_b_user,2] -> PartitionFetchInfo(76267,400000000),[topic_b-group,82] -> PartitionFetchInfo(0,400000000),[bl_generic_event_detail,24] -> PartitionFetchInfo(27457189,400000000),[topic_b-group,22] -> PartitionFetchInfo(0,400000000),[topic_b_like,10] -> PartitionFetchInfo(0,400000000),[topic_b-nearby,28] -> PartitionFetchInfo(471861516,400000000),[topic_b_nearby,16] -> PartitionFetchInfo(28,400000000),[topic_b_feed,9] -> PartitionFetchInfo(79605,400000000),[topic_a,10] -> PartitionFetchInfo(13365304,400000000),[topic_b-live,1] -> PartitionFetchInfo(2381944301,400000000),[topic_b_log,13] -> PartitionFetchInfo(366613,400000000). Possible cause: java.nio.channels.ClosedSelectorException (kafka.server.ReplicaFetcherThread)
[2017-08-10 11:09:55,310] INFO Reconnect due to socket error: java.nio.channels.ClosedChannelException (kafka.consumer.SimpleConsumer)
[2017-08-10 11:09:55,671] ERROR OOME with size 491278751 (kafka.network.BoundedByteBufferReceive)
java.lang.OutOfMemoryError: Java heap space

原因：replica.fetch.max.bytes参数设置的太大，在集群正常运行的情况下不会有问题，一旦某台broker挂掉重启后需要追的分区数过多，每个需要追数的partition都是申请一块replica.fetch.max.bytes大小的内存造成OOM。

解决办法：减少replica.fetch.max.bytes的值

二重启后分区完全无法自平衡leader

版本：0.8.2.2

错误现象：1 broker挂掉重启后启动正常，追数据正常，所有副本进入isr后controller不会自动指定为leader。所有服务端日志正常，crontroller不打日志

2 jstack crontroller 线程栈发现delete-topics-thread一直block，另有Controller-xx-to-broker-yy-send-thread block在deleteTopicStopReplicaCallback位置

"Controller-29-to-broker-26-send-thread" prio=10 tid=0x00007f6520041000 nid=0x4d9d waiting on condition [0x00007f649e90e000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000005d3831d38> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:838)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:871)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1201)
at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
at kafka.utils.Utils$.inLock(Utils.scala:533)
at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$deleteTopicStopReplicaCallback(TopicDeletionManager.scala:371)
at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2$$anonfun$apply$3.apply(TopicDeletionManager.scala:338)
at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2$$anonfun$apply$3.apply(TopicDeletionManager.scala:338)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$addStopReplicaRequestForBrokers$2$$anonfun$apply$mcVI$sp$2.apply(ControllerChannelManager.scala:229)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$addStopReplicaRequestForBrokers$2$$anonfun$apply$mcVI$sp$2.apply(ControllerChannelManager.scala:229)
at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:160)
- locked <0x000000065d279300> (a java.lang.Object)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)

"delete-topics-thread-29" prio=10 tid=0x00007f652006c000 nid=0x4da3 waiting on condition [0x00007f649dbdd000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000065d2800e0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
at java.util.concurrent.LinkedBlockingQueue.put(LinkedBlockingQueue.java:282)
at kafka.controller.ControllerChannelManager.sendRequest(ControllerChannelManager.scala:57)
- locked <0x000000065d279858> (a java.lang.Object)
at kafka.controller.KafkaController.sendRequest(KafkaController.scala:668)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$sendRequestsToBrokers$3$$anonfun$apply$9.apply(ControllerChannelManager.scala:312)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$sendRequestsToBrokers$3$$anonfun$apply$9.apply(ControllerChannelManager.scala:309)
at scala.collection.immutable.List.foreach(List.scala:318)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$sendRequestsToBrokers$3.apply(ControllerChannelManager.scala:309)
at kafka.controller.ControllerBrokerRequestBatch$$anonfun$sendRequestsToBrokers$3.apply(ControllerChannelManager.scala:302)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)
at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)
at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)
at scala.collection.mutable.HashMap.foreach(HashMap.scala:98)
at kafka.controller.ControllerBrokerRequestBatch.sendRequestsToBrokers(ControllerChannelManager.scala:302)
at kafka.controller.ReplicaStateMachine.handleStateChanges(ReplicaStateMachine.scala:115)
at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2.apply(TopicDeletionManager.scala:337)
at kafka.controller.TopicDeletionManager$$anonfun$startReplicaDeletion$2.apply(TopicDeletionManager.scala:327)
at scala.collection.immutable.Map$Map1.foreach(Map.scala:109)
at kafka.controller.TopicDeletionManager.startReplicaDeletion(TopicDeletionManager.scala:327)
at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$onPartitionDeletion(TopicDeletionManager.scala:360)
at kafka.controller.TopicDeletionManager$$anonfun$kafka$controller$TopicDeletionManager$$onTopicDeletion$2.apply(TopicDeletionManager.scala:306)
at kafka.controller.TopicDeletionManager$$anonfun$kafka$controller$TopicDeletionManager$$onTopicDeletion$2.apply(TopicDeletionManager.scala:305)
at scala.collection.immutable.Set$Set1.foreach(Set.scala:74)
at kafka.controller.TopicDeletionManager.kafka$controller$TopicDeletionManager$$onTopicDeletion(TopicDeletionManager.scala:305)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:424)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1$$anonfun$apply$mcV$sp$4.apply(TopicDeletionManager.scala:396)
at scala.collection.immutable.Set$Set1.foreach(Set.scala:74)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply$mcV$sp(TopicDeletionManager.scala:396)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:390)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread$$anonfun$doWork$1.apply(TopicDeletionManager.scala:390)
at kafka.utils.Utils$.inLock(Utils.scala:535)
at kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:390)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)

原因：kafka版本bug，原因参考https://issues.apache.org/jira/browse/KAFKA-2046和https://issues.apache.org/jira/browse/KAFKA-2122，controller内部事件处理共用一个与controller.message.queue.size大小相关的队列，如果这个参数配置为一个过小的值的话，会导致controller内部线程互相block。

解决办法：调大controller.message.queue.size或者注销掉（默认值为Int.MaxValue）然后滚动重启所有状态不正常的controller，直到controller落到一个配置正常的broker上

三 WARN [Controller-60-to-broker-60-send-thread], Controller 60\'s connection to broker kafka60:9092 (id: 60 rack: null) was unsuccessful (kafka.controller.RequestSendThread)

版本 0.10.2.0，1.0.0

现象：

kafka服务端配置好kerberos后，controller持续报无法连接到broker的错误（包括连接自身实例），大概错误如下

[2018-01-25 17:48:41,864] WARN [Controller-60-to-broker-60-send-thread], Controller 60\'s connection to broker kafka60:9092 (id: 60 rack: null) was unsuccessful (kafka.controller.RequestSendThread)
java.io.IOException: Connection to kafka60:9092 (id: 60 rack: null) failed
at kafka.utils.NetworkClientBlockingOps$.awaitReady$1(NetworkClientBlockingOps.scala:84)
at kafka.utils.NetworkClientBlockingOps$.blockingReady$extension(NetworkClientBlockingOps.scala:94)
at kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:232)
at kafka.controller.RequestSendThread.liftedTree1$1(ControllerChannelManager.scala:185)
at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:184)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
[2018-01-25 17:48:41,970] WARN [Controller-60-to-broker-60-send-thread], Controller 60\'s connection to broker kafka60:9092 (id: 60 rack: null) was unsuccessful (kafka.controller.RequestSendThread)

......

原因: 打开kafka-authorizer.log的DEBUG日志会看到具体错误，这个是由于线上jre的环境缺少kerberos认证的算法库导致的，更新jre相关类库即可

[2018-01-25 17:55:31,155] DEBUG Connection with /host disconnected (org.apache.kafka.common.network.Selector)
java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: Failure unspecified at GSS-API level (Mechanism level: Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled)]
at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.authenticate(SaslServerAuthenticator.java:250)
at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:71)
at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:350)
at org.apache.kafka.common.network.Selector.poll(Selector.java:303)
at kafka.network.Processor.poll(SocketServer.scala:494)
at kafka.network.Processor.run(SocketServer.scala:432)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: Failure unspecified at GSS-API level (Mechanism level: Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled)]
at com.sun.security.sasl.gsskerb.GssKrb5Server.evaluateResponse(GssKrb5Server.java:199)
at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.authenticate(SaslServerAuthenticator.java:235)
... 6 more
Caused by: GSSException: Failure unspecified at GSS-API level (Mechanism level: Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled)
at sun.security.jgss.krb5.Krb5Context.acceptSecContext(Krb5Context.java:856)
at sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:342)
at sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:285)
at com.sun.security.sasl.gsskerb.GssKrb5Server.evaluateResponse(GssKrb5Server.java:167)
... 7 more
Caused by: KrbException: Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled
at sun.security.krb5.EncryptionKey.findKey(EncryptionKey.java:522)
at sun.security.krb5.KrbApReq.authenticate(KrbApReq.java:273)
at sun.security.krb5.KrbApReq.<init>(KrbApReq.java:149)
at sun.security.jgss.krb5.InitSecContextToken.<init>(InitSecContextToken.java:108)
at sun.security.jgss.krb5.Krb5Context.acceptSecContext(Krb5Context.java:829)
... 10 more

四 WARN Map failed (kafka.utils.CoreUtils$)
java.io.IOException: Map failed

WARN Map failed (kafka.utils.CoreUtils$)
java.io.IOException: Map failed
at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:940)
at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:114)
at kafka.log.AbstractIndex$$anonfun$resize$1.apply(AbstractIndex.scala:104)
at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:217)
at kafka.log.AbstractIndex.resize(AbstractIndex.scala:104)
at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply$mcV$sp(AbstractIndex.scala:163)
at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:163)
at kafka.log.AbstractIndex$$anonfun$trimToValidSize$1.apply(AbstractIndex.scala:163)
at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:217)
at kafka.log.AbstractIndex.trimToValidSize(AbstractIndex.scala:162)
at kafka.log.AbstractIndex.close(AbstractIndex.scala:174)
at kafka.log.LogSegment$$anonfun$close$2.apply$mcV$sp(LogSegment.scala:471)
at kafka.utils.CoreUtils$.swallow(CoreUtils.scala:82)
at kafka.utils.Logging$class.swallowWarn(Logging.scala:96)
at kafka.utils.CoreUtils$.swallowWarn(CoreUtils.scala:46)
at kafka.utils.Logging$class.swallow(Logging.scala:98)
at kafka.utils.CoreUtils$.swallow(CoreUtils.scala:46)
at kafka.log.LogSegment.close(LogSegment.scala:471)
at kafka.log.Log$$anonfun$close$1$$anonfun$apply$mcV$sp$1.apply(Log.scala:573)
at kafka.log.Log$$anonfun$close$1$$anonfun$apply$mcV$sp$1.apply(Log.scala:573)
at scala.collection.Iterator$class.foreach(Iterator.scala:891)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at kafka.log.Log$$anonfun$close$1.apply$mcV$sp(Log.scala:573)
at kafka.log.Log$$anonfun$close$1.apply(Log.scala:568)
at kafka.log.Log$$anonfun$close$1.apply(Log.scala:568)
at kafka.log.Log.maybeHandleIOException(Log.scala:1669)
at kafka.log.Log.close(Log.scala:568)
at kafka.log.LogManager$$anonfun$shutdown$4$$anonfun$10$$anonfun$apply$3.apply$mcV$sp(LogManager.scala:403)
at kafka.utils.CoreUtils$$anon$1.run(CoreUtils.scala:61)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.OutOfMemoryError: Map failed
at sun.nio.ch.FileChannelImpl.map0(Native Method)
at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:937)
... 35 more