0.11.0.0. Pl reopen if you think the issue still exists
> KafkaProducer may send duplicated message sometimes
> ---
>
> Key: KAFKA-4951
> URL: https://issues.apache.org/jira/browse/KAFKA-4951
>
removing the timeout completely will cause clients to just "hang" if the
broker is unavailable (even worse, if only one broker out of a cluster goes
down a producer that could have otherwise sent data to other brokers would
fill up it memory with stuff waiting to be sent out to the one thats down).
Hi Radai,
Thanks for your reply, sincerely, I am so glad for that.
In my opinion, I am clear that Kafka only provides the “at least once”
semantics now, but I think Kafka should try it best to decrease the duplicated
message case if it can. In this case described in my JIRA, I think Kafka c
kafka (at least out of the box as it is now) is not an exactly-once system.
its an at-least-once system, meaning the scenario you described (and
similar ones involving socket disconnections, for example) exist by design.
there is a KIP for adding exactly once guarantees (among other things) that
y
Hi All,
There is a JIRA issue which I submitted:
https://issues.apache.org/jira/browse/KAFKA-4951;
It is about the Sending duplicated message by KafkaProducer, Could you
please check it?
Thanks.
Yang Cui
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https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Reviewer: Jun Rao
> KafkaProducer may send duplicated message someti
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Description:
I foud that KafkaProducer may send duplicated message sometimes, which is
happend when:
In
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Description:
I foud that KafkaProducer may send duplicated message sometimes, which is
happend when:
In
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Description:
I foud that KafkaProducer may send duplicated message sometimes, which is
happend when:
In
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Description:
I foud that KafkaProducer may send duplicated message sometimes, which is
happend when:
In
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Summary: KafkaProducer may send duplicated message sometimes (was:
KafkaProducer may writes duplicated
[
https://issues.apache.org/jira/browse/KAFKA-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
cuiyang updated KAFKA-4951:
---
Description:
I foud that KafkaProducer may send duplicated message sometimes, which is
happend when:
In
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