How I Scaled Lock Free Queues from 8M transactions/S to 55M transaction/S using shadow indexing to tackle the bus traffic problem caused by cache coherence.
Exploring deep OS internals and working on a Low latency project in C++, implementing a lock-free communication mechanism between threads using ring buffers.
The reason behind AWS's recent outage was the result of the crashing of a SPOF (single point of failure) of the AWS system, leading to a cascading failure of services and what we can learn from it.