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https://issues.apache.org/jira/browse/KAFKA-5290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edoardo Comar updated KAFKA-5290:
---------------------------------
    Description: 
The docs around
http://kafka.apache.org/documentation/#semantics
http://kafka.apache.org/documentation/#replication
say

??A message is considered "committed" when all in sync replicas for that 
partition have applied it to their log. Only committed messages are ever given 
out to the consumer??

I've always found that in need of clarification - as the producer acks setting 
is crucial in determining what committed means.

Based on conversations with [~rsivaram], [~apurva], [~vahid]

  was:
The docs around
http://kafka.apache.org/documentation/#semantics
http://kafka.apache.org/documentation/#replication
say

??A message is considered "committed" when all in sync replicas for that 
partition have applied it to their log. Only committed messages are ever given 
out to the consumer??

I've always found that in need of clarification - as the producer acks setting 
is crucial in determining what committed means.

Based on conversations with [~rsivaram][~apurva][~vahid]


> docs need clarification on meaning of 'committed' to the log
> ------------------------------------------------------------
>
>                 Key: KAFKA-5290
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5290
>             Project: Kafka
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Edoardo Comar
>            Assignee: Edoardo Comar
>
> The docs around
> http://kafka.apache.org/documentation/#semantics
> http://kafka.apache.org/documentation/#replication
> say
> ??A message is considered "committed" when all in sync replicas for that 
> partition have applied it to their log. Only committed messages are ever 
> given out to the consumer??
> I've always found that in need of clarification - as the producer acks 
> setting is crucial in determining what committed means.
> Based on conversations with [~rsivaram], [~apurva], [~vahid]



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