Engineering blog by Urjit Singh Bhatia — distributed systems, AI tooling, and infrastructurehttps://urjit.io/https://urjit.io/blog/personalizing-at-the-edge/https://urjit.io/blog/personalizing-at-the-edge/A bookmarklet for United's flight search led to a broader idea: users no longer have to accept default web UX as fixed. AI makes local, runtime personalization much more practical.Tue, 17 Feb 2026 00:00:00 GMThttps://urjit.io/blog/when-claude-code-keeps-spinning/https://urjit.io/blog/when-claude-code-keeps-spinning/Claude Code silently truncates lines longer than 2,000 characters — no error, no warning. Minified HTML, bookmarklets, and SVGs all hit this. I watched it loop for 20 minutes on a five-file project it could never fully read. Diagnostic, repro scripts, and workarounds included.Mon, 16 Feb 2026 00:00:00 GMThttps://urjit.io/blog/fixing-my-cli-with-the-cli/https://urjit.io/blog/fixing-my-cli-with-the-cli/I tried to test Claude Code's multi-agent team mode with split panes in iTerm2. The it2 CLI was broken, the docs were confusing, and I spent the whole session yak-shaving. Here's what actually works.Fri, 06 Feb 2026 00:00:00 GMThttps://urjit.io/blog/ai-exposes-your-slow-feedback-loops/https://urjit.io/blog/ai-exposes-your-slow-feedback-loops/AI coding assistants amplify both velocity and bottlenecks. Teams seeing 10x gains already had fast feedback loops. Here's why your infrastructure is now the bottleneck.Fri, 23 Jan 2026 00:00:00 GMThttps://urjit.io/blog/bring-your-own-ai-coach/https://urjit.io/blog/bring-your-own-ai-coach/I had 10 years of workout data and wanted AI coaching for my strength training. Instead of building AI into my app, I built something simpler: a way to let any LLM generate workout configs. Zero AI code, zero costs, perfect privacy.Fri, 09 Jan 2026 00:00:00 GMThttps://urjit.io/blog/the-high-cost-of-a-slow-cli/https://urjit.io/blog/the-high-cost-of-a-slow-cli/Deep dive into why Google's Gemini CLI takes 35-60 seconds to start. Analyzing 129,681 syscalls, MCP server initialization, and fundamental architectural issues affecting developer productivity.Fri, 28 Nov 2025 00:00:00 GMThttps://urjit.io/blog/passkeys-1password-android/https://urjit.io/blog/passkeys-1password-android/Wed, 11 Dec 2024 00:00:00 GMThttps://urjit.io/blog/vfs/https://urjit.io/blog/vfs/Wed, 11 Sep 2024 00:00:00 GMThttps://urjit.io/blog/golang-template-repo-pattern/https://urjit.io/blog/golang-template-repo-pattern/How to rewrite import paths with a bash one-liner when starting a repo from a github templateTue, 13 Aug 2024 00:00:00 GMThttps://urjit.io/blog/haproxy-program-tests/https://urjit.io/blog/haproxy-program-tests/Learn how to use the `program` directive in HAProxy to test URL rewrite rules and routing logic. This guide covers setting up HAProxy with `Gor` for traffic capture and verification, ensuring your configurations work as expected.Fri, 14 Jun 2024 00:00:00 GMThttps://urjit.io/blog/debugging_prompt_latency_with_starship_prompt/https://urjit.io/blog/debugging_prompt_latency_with_starship_prompt/Troubleshooting slowdown issues with the Starship terminal prompt during terminal startup. Here's how I fixed it and sped things up.Sat, 20 Jan 2024 00:00:00 GMThttps://urjit.io/blog/time-part-one/https://urjit.io/blog/time-part-one/Mon, 10 Jan 2022 00:00:00 GMThttps://urjit.io/blog/haproxy-queues/https://urjit.io/blog/haproxy-queues/Discover how to optimize HAProxy performance by tuning queue and networking settings. This guide explores handling increased traffic, adjusting `maxconn` and `tcp_max_syn_backlog`, and verifying system state to ensure efficient load balancing.Sat, 26 Jun 2021 00:00:00 GMThttps://urjit.io/blog/scaling-rabbitmq-shared-exchange/https://urjit.io/blog/scaling-rabbitmq-shared-exchange/Mon, 10 Aug 2020 00:00:00 GMThttps://urjit.io/blog/cozgo/https://urjit.io/blog/cozgo/cozgo, a Go wrapper for the Coz library for causal profiling in Go projects.Wed, 15 Apr 2020 00:00:00 GMThttps://urjit.io/blog/bash-startup-dependency-mgmt/https://urjit.io/blog/bash-startup-dependency-mgmt/A simple and clean way to wait for dependencies to be available in Unix*y environments. I often use this script to orchestrate my docker containers.Tue, 16 Jan 2018 00:00:00 GMThttps://urjit.io/blog/a-fun-bug-investigation/https://urjit.io/blog/a-fun-bug-investigation/Explore a fun investigation into an integer overflow bug in Metabase. Learn how a simple unit conversion mistake led to a `NumberFormatException` and how the issue was resolved by debugging logs and updating the database.Sun, 10 Dec 2017 00:00:00 GMThttps://urjit.io/blog/shoveling-data-to-redshift-with-pipes-and-filters/https://urjit.io/blog/shoveling-data-to-redshift-with-pipes-and-filters/Learn how to migrate large datasets from MySQL to AWS Redshift using command-line tools. This guide covers extracting data, transforming it for Redshift, and loading it via S3, achieving efficient data transfer with Unix pipes and filters.Sun, 30 Jul 2017 00:00:00 GMT