Amazon Web Services says users are tapping Local Zones to run hybrid environments and support latency-intensive tasks like game rendering.
Source: datacenterfrontier.com
Back in 2013, one of our large backend services wanted support in Rest.li for dark canaries. The service, at the time, involved duplicating requests from one host machine and sending it to another host machine. This was added via a Python tool to populate the host-to-host mapping in Apache ZooKeeper along with a filter to read this mapping and multiply traffic.
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We explain the precise maintenance process to execute a major version upgrade of PostgreSQL. The biggest challenge was to do a complete fleet major upgrade through an orchestrated pg_upgrade. We needed to have a rollback plan to optimize our capacity right after Recovery Time Objective (RTO) while maintaining a 12-node clusterâs 6TB-data consistent serving 300.000 aggregated transactions per second from around six million users.
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We look at how Shard Manager is fully integrated in Facebook’s infrastructure ecosystem and provides a holistic, end-to-end solution supporting basic shard failover as well as sophisticated load balancing, shard scaling, and operational safety. Over the years, as we’ve expanded in scale and functionalities, Facebook has evolved from a basic web server architecture into a complex one with thousands of services working behind the scenes. It’s no trivial task to scale the wide range of back-end services needed for Facebook’s products.
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