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https://issues.apache.org/jira/browse/KAFKA-1888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14291482#comment-14291482
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Ashish Kumar Singh commented on KAFKA-1888:
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[~gwenshap] this is indeed an important step towards easing out upgrade pains.
[~joestein] gauntlet looks really nice. However, I agree with [~nehanarkhede]
that we should try to improve upon existing framework and save ourselves from
YAFS and maintenance cost. Just my 2cents. However, if you guys are not working
on this, then I can take this one.
> Add a "rolling upgrade" system test
> -----------------------------------
>
> Key: KAFKA-1888
> URL: https://issues.apache.org/jira/browse/KAFKA-1888
> Project: Kafka
> Issue Type: Improvement
> Components: system tests
> Reporter: Gwen Shapira
> Assignee: Gwen Shapira
> Fix For: 0.9.0
>
>
> To help test upgrades and compatibility between versions, it will be cool to
> add a rolling-upgrade test to system tests:
> Given two versions (just a path to the jars?), check that you can do a
> rolling upgrade of the brokers from one version to another (using clients
> from the old version) without losing data.
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