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Facebook Engineering

Facebook Engineering Quotes

Total quotes: 2

Facebook Engineering

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Total quotes: 2

“The solution to caching GraphQL is to normalize the hierarchical response into a flat collection of records. Relay implements this cache as a map from IDs to records. Each record is a map from field names to field values. Records may also link to other records (allowing it to describe a cyclic graph), and these links are stored as a special value type that references back into the top-level map. With this approach each server record is stored once regardless of how it is fetched.”

— Facebook Engineering, Thinking in GraphQL

Tagged: Cache, Performance, Progressive Web Apps, Graph QL, Relay, React

“At a high level, this workload is simultaneously latency-sensitive and throughput-bound. Each web server needs to respond to a given user request quickly as well as serve requests from multiple users in parallel. In CPU terms, we require good single-thread performance and excellent throughput with a large number of concurrent threads. We have architected this workload so that we can parallelize the requests using PHP's stateless execution model. There isn't much interaction between requests on a given web server, allowing us to efficiently scale out across a large number of machines.”

— Facebook Engineering, Facebook's new front-end server design delivers on performance without sucking up power

Tagged: Ops

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