Kubernetes Upgrades Without Downtime
Kubernetes upgrades used to terrify me. Then I learned to do them boringly. Here's the process. Before the upgrade 1. Read the release notes. Every…
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Мажорное обновление Greengage с помощью pg_upgrade и ggupgrade
Разбираем мажорное обновление Greengage с версии 6 на 7: как работает pg_upgrade, какие шаги нужны для обновления кластера, чем помогает ggupgrade и…
How to upgrade an Enterprise Grade Kubernetes Cluster with Zero Downtime.
Introduction One of the common tasks performed by DevOps Engineers is upgrade of their organization's Kubernetes Cluster at least once every 3 month…
Oracle Linux 7 to 8 Upgrade Using Leapp: Architecture, Inhibitors, and Enterprise Troubleshooting
Introduction Enterprise Linux operating systems require periodic upgrades to maintain security, supportability, compliance, and operational stabilit…
Обновление базы за время смены мастера Patroni
Меня зовут Ирек Агмалов, я DBA-SRE в Ви.Tech - IT-дочке ВсеИнструменты.ру. Мы обновляли PostgreSQL в кластере Patroni и хотели переключить приложени…