[jira] [Updated] (KAFKA-1546) Automate replica lag tuning

["Aditya A Auradkar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aditya A Auradkar updated KAFKA-1546:
-------------------------------------
    Attachment: KAFKA-1546.patch

> Automate replica lag tuning
> ---------------------------
>
>                 Key: KAFKA-1546
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1546
>             Project: Kafka
>          Issue Type: Improvement
>          Components: replication
>    Affects Versions: 0.8.0, 0.8.1, 0.8.1.1
>            Reporter: Neha Narkhede
>            Assignee: Aditya Auradkar
>              Labels: newbie++
>         Attachments: KAFKA-1546.patch
>
>
> Currently, there is no good way to tune the replica lag configs to automatically account for high and low volume topics on the same cluster. 
> For the low-volume topic it will take a very long time to detect a lagging
> replica, and for the high-volume topic it will have false-positives.
> One approach to making this easier would be to have the configuration
> be something like replica.lag.max.ms and translate this into a number
> of messages dynamically based on the throughput of the partition.



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