InfoQ Homepage Resilience Content on InfoQ
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How Netflix Handled the Reboot of 218 Cassandra Nodes
Amazon performed a major maintenance update at the end of September in order to patch a security vulnerability in a Xen hypervisor affecting about 10% of their global fleet of cloud servers. This update involved the rebooting of those servers, with consequences for AWS users and the services they provide, including one of their largest clients, Netflix.
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TypeSafe's Kevin Webber: Actor-based Concurrency for Reactive Systems
In a recent article on Medium, TypeSafe's Kevin Webber argues that reactive programming "isn’t just another trend but rather the paradigm for modern software developers to learn" since it helps them to build systems that are responsive, resilient, and scalable. He also suggests that actor-based concurrency is the most convenient foundations for a reactive system.
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Refreshed AWS Trusted Advisor Offers Several Free Checks
Amazon Web Services (AWS) has recently integrated the AWS Trusted Advisor into the AWS Management Console and made four security and service limit checks available at no charge. Additional checks from the security, performance, fault tolerance and cost optimization categories remain part of their Business and Enterprise support tiers.
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Testing Resiliency at PagerDuty Without a Simian Army
Doug Barth, from PagerDuty, talked at DevOps Days London about their approach to start resiliency testing their systems without dedicating a lot of automation effort upfront. The goal was to quickly start learning about failure points and openly discuss how to fix them with only one hour per week of effort.
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Amazon Web Services Stability and the September 13th US East 1 Outage
Amazon Web Services (AWS) suffered another outage of its US East 1 region during the morning of Friday 13th September. A number of popular applications such as Heroku, Github and CMSWire were disrupted along with many other customers in Amazon’s largest, oldest and busiest location.