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https://issues.apache.org/jira/browse/ZOOKEEPER-1805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809271#comment-13809271
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Flavio Junqueira commented on ZOOKEEPER-1805:
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I think I get it now, in ZOOKEEPER-1732 we have made two fields "don't care"
and we update the epoch value. The epoch value is causing the comparison to
fail, but I think that the "don't care" values also have to be updated in the
way I propose, otherwise the comparison will fail too, no?
"newEpoch - 1" sounds like a hack to me, not a principled solution. I need to
think a bit more about this one.
> "Don't care" value in ZooKeeper election breaks rolling upgrades
> ----------------------------------------------------------------
>
> Key: ZOOKEEPER-1805
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1805
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Flavio Junqueira
> Priority: Blocker
> Attachments: ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch
>
>
> This is an issue that has been originally reported in ZOOKEEPER-1732.
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