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Posted to dev@kafka.apache.org by "Edoardo Comar (JIRA)" <ji...@apache.org> on 2017/05/19 09:29:04 UTC

[jira] [Created] (KAFKA-5290) docs need clarification on meaning of 'committed' to the log

Edoardo Comar created KAFKA-5290:
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             Summary: 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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