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https://issues.apache.org/jira/browse/KAFKA-2805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14999884#comment-14999884
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Mayuresh Gharat commented on KAFKA-2805:
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I did this experiment :
1) I created a topic called "kip-19-followup" on one of our test cluster with 1
partition and replication factor 1.
2) started the producer class :
./kafka-verifiable-producer.sh --topic kip-19-followup --broker-list (BROKER
LIST) --max-messages 92233736 --acks 1
3) The producer started producing and I could see :
{"partition":0,"offset":3164368,"time_ms":1447212192651,"name":"producer_send_success","topic":"kip-19-followup","class":"class
org.apache.kafka.tools.VerifiableProducer","value":"9547","key":null}
4) Then I killed the broker that was hosting this topic and I could see :
{"exception":"class
org.apache.kafka.common.errors.TimeoutException","time_ms":1447212028704,"name":"producer_send_error","topic":"kip-19-followup","message":"Batch
Expired","class":"class
org.apache.kafka.tools.VerifiableProducer","value":"107100","key":null}
The producer did not hang. My broker is not on trunk though.
Thanks,
Mayuresh
> RecordAccumulator request timeout only enforced if partition leader is unknown
> ------------------------------------------------------------------------------
>
> Key: KAFKA-2805
> URL: https://issues.apache.org/jira/browse/KAFKA-2805
> Project: Kafka
> Issue Type: Bug
> Reporter: Jason Gustafson
> Assignee: Mayuresh Gharat
>
> When no brokers are left in the cluster, the producer seems not to enforce
> the request timeout as expected.
> From the user mailing list, the null check in batch expiration in
> RecordAccumulator seems questionable:
> https://github.com/apache/kafka/blob/ae5a5d7c08bb634576a414f6f2864c5b8a7e58a3/clients/src/main/java/org/apache/kafka/clients/producer/internals/RecordAccumulator.java#L220.
>
> If this is correct behavior, it is probably worthwhile clarifying the purpose
> of the check in a comment.
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