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Posted to dev@kafka.apache.org by "Ewen Cheslack-Postava (JIRA)" <ji...@apache.org> on 2015/01/06 03:57:35 UTC
[jira] [Updated] (KAFKA-1642) [Java New Producer Kafka Trunk] CPU
Usage Spike to 100% when network connection is lost
[ https://issues.apache.org/jira/browse/KAFKA-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ewen Cheslack-Postava updated KAFKA-1642:
-----------------------------------------
Attachment: KAFKA-1642_2015-01-05_18:56:55.patch
> [Java New Producer Kafka Trunk] CPU Usage Spike to 100% when network connection is lost
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-1642
> URL: https://issues.apache.org/jira/browse/KAFKA-1642
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.2
> Reporter: Bhavesh Mistry
> Assignee: Ewen Cheslack-Postava
> Priority: Blocker
> Fix For: 0.8.2
>
> Attachments: 0001-Initial-CPU-Hish-Usage-by-Kafka-FIX-and-Also-fix-CLO.patch, KAFKA-1642.patch, KAFKA-1642.patch, KAFKA-1642_2014-10-20_17:33:57.patch, KAFKA-1642_2014-10-23_16:19:41.patch, KAFKA-1642_2015-01-05_18:56:55.patch
>
>
> I see my CPU spike to 100% when network connection is lost for while. It seems network IO thread are very busy logging following error message. Is this expected behavior ?
> 2014-09-17 14:06:16.830 [kafka-producer-network-thread] ERROR org.apache.kafka.clients.producer.internals.Sender - Uncaught error in kafka producer I/O thread:
> java.lang.IllegalStateException: No entry found for node -2
> at org.apache.kafka.clients.ClusterConnectionStates.nodeState(ClusterConnectionStates.java:110)
> at org.apache.kafka.clients.ClusterConnectionStates.disconnected(ClusterConnectionStates.java:99)
> at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:394)
> at org.apache.kafka.clients.NetworkClient.maybeUpdateMetadata(NetworkClient.java:380)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:174)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:175)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:115)
> at java.lang.Thread.run(Thread.java:744)
> Thanks,
> Bhavesh
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