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https://issues.apache.org/jira/browse/KAFKA-664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joel Koshy closed KAFKA-664.
----------------------------
> Kafka server threads die due to OOME during long running test
> -------------------------------------------------------------
>
> Key: KAFKA-664
> URL: https://issues.apache.org/jira/browse/KAFKA-664
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8
> Reporter: Neha Narkhede
> Assignee: Jay Kreps
> Priority: Blocker
> Labels: bugs
> Fix For: 0.8
>
> Attachments: kafka-664-draft-2.patch, kafka-664-draft.patch,
> KAFKA-664-v3.patch, KAFKA-664-v4.patch, Screen Shot 2012-12-09 at 11.22.50
> AM.png, Screen Shot 2012-12-09 at 11.23.09 AM.png, Screen Shot 2012-12-09 at
> 11.31.29 AM.png, thread-dump.log, watchersForKey.png
>
>
> I set up a Kafka cluster with 5 brokers (JVM memory 512M) and set up a long
> running producer process that sends data to 100s of partitions continuously
> for ~15 hours. After ~4 hours of operation, few server threads (acceptor and
> processor) exited due to OOME -
> [2012-12-07 08:24:44,355] ERROR OOME with size 1700161893
> (kafka.network.BoundedByteBufferReceive)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:24:44,356] ERROR Uncaught exception in thread
> 'kafka-acceptor': (kafka.utils.Utils$)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:24:44,356] ERROR Uncaught exception in thread
> 'kafka-processor-9092-1': (kafka.utils.Utils$)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:24:46,344] INFO Unable to reconnect to ZooKeeper service,
> session 0x13afd0753870103 has expired, closing socket connection
> (org.apache.zookeeper.ClientCnxn)
> [2012-12-07 08:24:46,344] INFO zookeeper state changed (Expired)
> (org.I0Itec.zkclient.ZkClient)
> [2012-12-07 08:24:46,344] INFO Initiating client connection,
> connectString=eat1-app309.corp:12913,eat1-app310.corp:12913,eat1-app311.corp:12913,eat1-app312.corp:12913,eat1-app313.corp:12913
> sessionTimeout=15000 watcher=org.I0Itec.zkclient.ZkClient@19202d69
> (org.apache.zookeeper.ZooKeeper)
> [2012-12-07 08:24:55,702] ERROR OOME with size 2001040997
> (kafka.network.BoundedByteBufferReceive)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:25:01,192] ERROR Uncaught exception in thread
> 'kafka-request-handler-0': (kafka.utils.Utils$)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:25:08,739] INFO Opening socket connection to server
> eat1-app311.corp/172.20.72.75:12913 (org.apache.zookeeper.ClientCnxn)
> [2012-12-07 08:25:14,221] INFO Socket connection established to
> eat1-app311.corp/172.20.72.75:12913, initiating session
> (org.apache.zookeeper.ClientCnxn)
> [2012-12-07 08:25:17,943] INFO Client session timed out, have not heard from
> server in 3722ms for sessionid 0x0, closing socket connection and attempting
> reconnect (org.apache.zookeeper.ClientCnxn)
> [2012-12-07 08:25:19,805] ERROR error in loggedRunnable (kafka.utils.Utils$)
> java.lang.OutOfMemoryError: Java heap space
> [2012-12-07 08:25:23,528] ERROR OOME with size 1853095936
> (kafka.network.BoundedByteBufferReceive)
> java.lang.OutOfMemoryError: Java heap space
> It seems like it runs out of memory while trying to read the producer
> request, but its unclear so far.
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