Coffee Break

Month: March 2023

March 20, 2023

Why Pinterest Moved to HTTP/3?

Features HTTP/1.1 HTTP/2 HTTP/3 Request-response model Client sends one request, server sends one response Client sends multiple requests, server responds with multiple responses Client sends multiple requests, server responds with multiple responses Multiplexing No, each request-response pair requires a separate connection Yes, multiple requests and responses can be sent over a single connection Yes, similar…

Engineering

#http, #http/3, #pinterest
March 7, 2023

Raft – the most popular distributed database consensus algorithm

Concepts of Raft Rules for Safety in the Raft protocol The Raft protocol guarantees the following safety against consensus malfunction by virtue of its design : Raft Alternatives Fault ScenariosQ: What happens when one of the nodes have network issues for extended amount of time? A: Assuming a majority consensus consistency is still able to commit…

Engineering

#architectures, #cockroach-db, #kafka, #raft