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high availability

Jetstar scrapes the barrel

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I am totally blown away by Jetstar’s madness. This weekend, their online booking system will be down for an upgrade (see also here). For the whole weekend – from Friday afternoon to Monday morning! Anyone in IT will tell you that airline reservation systems are one of the classic “highly available” computer systems. This particularly applies to a customer-facing online booking system. These systems are the kind that have many servers, lots of redundant components,…

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