Rust systems programming
Design notes, experiments, measurements, and implementation writeups.
Distributed Systems & Infrastructure Engineer
Khushal Agrawal
Building distributed systems, observability platforms, AI runtime infrastructure, and open-source software.
$ focus --now
location: Roorkee, India
stack: rust, c++, python, linux, docker
systems: redis, rocksdb, emulators, p2p networking
mode: build the primitive, measure the edge cases
Profile
Short Bio
I am a Computer Science undergraduate at IIT Roorkee focused on systems, infrastructure, databases, networking, and low-level software. This site is my public notebook for architecture notes, experiments, case studies, and open-source work.
Research
Current Focus Areas
Database internals
Design notes, experiments, measurements, and implementation writeups.
Emulators and virtual machines
Design notes, experiments, measurements, and implementation writeups.
Networking protocols
Design notes, experiments, measurements, and implementation writeups.
Case studies
Featured Projects
Databases
Redis Clone
An in-memory key-value store in Rust with RESP protocol parsing, string commands, pub/sub, async networking, and an event-driven architecture.
Databases
Vector DB
A multimodal vector database engine in Rust using RocksDB for storage, custom embedding modules, KD-Tree indexing, and KNN search.
Systems programming
Game Boy Emulator
A Rust emulator for the original Game Boy architecture, including CPU work, picture processing, instruction decoding, and SDL rendering.
Notes
Latest Blog Posts
Jun 1, 2026 / 8 min read
Concurrent Servers: Notes on Threads, Event Loops, libuv, Redis, and async/await
A series-level writeup from Eli Bendersky's concurrent servers articles, tracing the design space from sequential sockets to threads, event-driven I/O, libuv, Redis, and async/await.
May 20, 2026 / 1 min read
Redis Internals: The Event Loop as a Systems Primitive
A concise walkthrough of how Redis uses a single-threaded event loop, multiplexed I/O, and careful data structure choices to stay predictable under load.
May 13, 2026 / 1 min read
Kafka Architecture Notes: Logs, Segments, and Consumer Lag
Engineering notes on Kafka's log-oriented architecture, segment lifecycle, replication, and why consumer lag is an operational signal rather than just a metric.
Open source
OSS Contributions
Inkscape
Google Summer of Code
Re-implemented Node and Pen Tool UX workflows and optimized Bezier curve rendering in C++/Gtkmm.
developer
SDSLabs
Contributed to technical applications and open-source engineering work from the IIT Roorkee student developer group.
github.com/SK1PPR
Systems Projects
Redis clone, vector database, emulators, assembler, and peer-to-peer networking projects.