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https://issues.apache.org/jira/browse/KAFKA-1762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-1762:
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Status: Patch Available (was: Open)
> Enforce MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION to 1 in MirrorMaker
> -----------------------------------------------------------------
>
> Key: KAFKA-1762
> URL: https://issues.apache.org/jira/browse/KAFKA-1762
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Assignee: Guozhang Wang
> Attachments: KAFKA-1762.patch
>
>
> The new Producer client introduces a config for the max # of inFlight
> messages. When it is set > 1 on MirrorMaker, however, there is a risk for
> data loss even with KAFKA-1650 because the offsets recorded in the MM's
> offset map is no longer continuous.
> Another issue is that when this value is set > 1, there is a risk of message
> re-ordering in the producer
> Changes:
> 1. Set max # of inFlight messages = 1 in MM
> 2. Leave comments explaining what the risks are of changing
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