Krishnatejaswi Shenthar
rss

Writing

Notes and longer pieces on ML systems, distributed systems, and infrastructure.

Recent

2026-10-21SecurityPatching and mitigating PHP2Shell2026-10-21SecurityThe weak eMudhra intermediate CA keys2026-10-21SecurityPingCAP's TiDB Cloud breach2026-08-30InfraCVE remediation at monorepo scale: a practical playbook2026-08-30InfraShipping a three-environment CI/CD pipeline from zero

Security

all 3 →
2026-10-21Patching and mitigating PHP2Shell2026-10-21The weak eMudhra intermediate CA keys2026-10-21PingCAP's TiDB Cloud breach

Infra

all 7 →
2026-08-30CVE remediation at monorepo scale: a practical playbook2026-08-30Shipping a three-environment CI/CD pipeline from zero2026-05-02A $22/Year VPS Running Three Self-Hosted Services2026-02-17From Manual Deploys to SHA-Tagged Containers: CI/CD for a K8s Platform

Machine Learning

all 6 →
2026-08-30Backtesting you can trust: determinism, costs and common errors2026-05-03KV Cache and PagedAttention: Why vLLM Actually Works2026-05-02LLM Inference Optimization: Stop Paying for Idle Silicon2026-01-08Eigenvalues of a Matrix

Notes

all 19 →
2026-08-30Complexity ratchets: pay down tech debt without a rewrite2026-08-30Designing a downloader CLI that is also a library2026-05-02Teaching Myself CS: The Plan2026-04-21Building a Second Brain with Obsidian, Zettelkasten, and an AI Agent

Systems

all 15 →
2026-05-03The Bulkhead Pattern: Isolating Failures Before They Spread2026-05-03CRDTs: Conflict-Free Replicated Data Types2026-05-03Multi-Paxos: From Single Decree to a Replicated Log2026-05-03Raft Log Compaction: Keeping the Log from Growing Forever