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https://issues.apache.org/jira/browse/RATIS-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Glen Geng updated RATIS-1014:
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Attachment: image-2020-07-31-12-34-08-384.png
> checkLeadership() may make some test case become flaky under GitHub CI.
> -----------------------------------------------------------------------
>
> Key: RATIS-1014
> URL: https://issues.apache.org/jira/browse/RATIS-1014
> Project: Ratis
> Issue Type: Test
> Affects Versions: 1.1.0
> Reporter: Glen Geng
> Assignee: Glen Geng
> Priority: Major
> Attachments: image-2020-07-31-12-33-35-755.png,
> image-2020-07-31-12-34-08-384.png
>
>
>
> After merge LeaderState::checkLeadership(), some test case become hard to
> pass under GitHub CI, such as GroupManagementBaseTest and TestMultiRaftGroup.
> Such case need do node restart operation or membership change operation,
> which will make leader vulnerable, especially resources is limited.
>
> !image-2020-07-31-12-33-35-755.png!
>
> !image-2020-07-31-12-34-08-384.png!
>
> Current walk around is to enlarge election timeout a little bit, e.g., from
> [150ms,300ms] to [300ms, 600ms], because larger election timeout will make
> leader become more stable.
>
> TODO:
> 1) do we have better way besides changing election timeout ?
> 2) are there other test cases affected by LeaderState::checkLeadership() ?
>
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