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https://ovirt-jira.atlassian.net/browse/OVIRT-1759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=36519#comment-36519
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eyal edri commented on OVIRT-1759:
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Thanks for tracking this. please prioritize, we believed that this will be over
once we move out of the old nightly jobs, and some maintainers also hoped for
it.
> Gerrit patches can reach CQ out-of-order
> ----------------------------------------
>
> Key: OVIRT-1759
> URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1759
> Project: oVirt - virtualization made easy
> Issue Type: Bug
> Components: Change Queue, Gerrit/git
> Reporter: Barak Korren
> Assignee: infra
> Priority: High
> Labels: change-queue, gerrit
>
> Is seems that despite the fact that all the jobs involved were designed to
> preserve proper patch ordering, there can be cases where patches trigger
> Jenkins jobs in the wrong order, which in turn end up putting the patches in
> the wrong order into the CQ. This in turn, causes the CQ to fail accurately
> detecting the patches that cause issues.
> Here is en example of such an occurance. The following patches were merged in
> the order specified below:
> # https://gerrit.ovirt.org/c/83917
> # https://gerrit.ovirt.org/c/83918
> # https://gerrit.ovirt.org/c/83919
> # https://gerrit.ovirt.org/c/83920
> The standard-enqueue runs putting them in the CQ however, seem to have run in
> a different order:
> # http://jenkins.ovirt.org/job/standard-enqueue/6712/ (83917)
> # http://jenkins.ovirt.org/job/standard-enqueue/6713/ (83919)
> # http://jenkins.ovirt.org/job/standard-enqueue/6714/ (83920)
> # http://jenkins.ovirt.org/job/standard-enqueue/6715/ (83918)
> This resulted in CQ 'add' command running in the wrong order:
> # http://jenkins.ovirt.org/job/ovirt-master_change-queue/12200/ (add 83917)
> # http://jenkins.ovirt.org/job/ovirt-master_change-queue/12201/ (add 83919)
> # http://jenkins.ovirt.org/job/ovirt-master_change-queue/12202/ (add 83920)
> # http://jenkins.ovirt.org/job/ovirt-master_change-queue/12203/ (add 83918)
> We need to come up with a way to make the system properly preserver order.
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