Gitlab had some issues recently with PostgreSQL.
- http://www.theregister.co.uk/2018/04/27/gitlab_outage_april_2018/
-
https://docs.google.com/document/d/1_IzyO-jwqb7UFl0A28D1gR4EaU99cEnoUSD9o8q4eZw/edit#
From their timeline report, it looks like they were using repmgr. Somehow,
I don't understand how they manage to get split-brain from a primary
failure with a 5 node cluster.
Does anyone have more insights to this?
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Regards,
Ang Wei Shan