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Date: Tue, 15 Aug 2017 11:07:00 +0000 (UTC)
From: "Umesh Chaudhary (JIRA)" <jira@apache.org>
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Subject: [jira] [Assigned] (KAFKA-5718) Better document what LogAppendTime
 means
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archived-at: Tue, 15 Aug 2017 11:07:09 -0000


     [ https://issues.apache.org/jira/browse/KAFKA-5718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Umesh Chaudhary reassigned KAFKA-5718:
--------------------------------------

    Assignee: Umesh Chaudhary

> Better document what LogAppendTime means
> ----------------------------------------
>
>                 Key: KAFKA-5718
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5718
>             Project: Kafka
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 0.11.0.0
>            Reporter: Dustin Cote
>            Assignee: Umesh Chaudhary
>            Priority: Trivial
>
> There isn't a good description of LogAppendTime in the documentation. It would be nice to add this in somewhere to say something like:
> LogAppendTime is some time between when the partition leader receives the request and before it writes it to it's local log. 
> There are two important distinctions that trip people up:
> 1) This timestamp is not when the consumer could have first consumed the message. This instead requires min.insync.replicas to have been satisfied.
> 2) This is not precisely when the leader wrote to it's log, there can be delays along the path between receiving the request and writing to the log.


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