SQLAlchemy + Postgres Cheatsheet 17 — pg_stat_statements and Slow Queries

Cheatsheet: enable pg_stat_statements, find top queries, auto_explain, slow-query log via SQLAlchemy events.

May 13, 2026 · 3 min · 561 words · Manvendra Rajpoot

Django Cheatsheet 19 — Performance Optimization

Cheatsheet: N+1, query optimization, connection pool, caching, pgbouncer.

May 21, 2026 · 4 min · 654 words · Manvendra Rajpoot

React Cheatsheet 19 — Lists and Virtualization

Cheatsheet: TanStack Virtual, react-window, infinite scroll, keyed updates.

May 19, 2026 · 3 min · 591 words · Manvendra Rajpoot

Load Testing in 2026 — k6, Vegeta, Locust, and Tests That Predict Production

Practical load testing: pick the right tool, model real traffic, find capacity ceilings, integrate into CI, and avoid common pitfalls.

May 5, 2026 · 4 min · 805 words · Manvendra Rajpoot

Rust Performance in 2026 — Benchmarking, Profiling, and Real Wins

Practical Rust perf: criterion benchmarks, perf flamegraphs, dhat for allocations, common bottlenecks, and the discipline of measure-then-optimize.

May 4, 2026 · 4 min · 822 words · Manvendra Rajpoot

Connection Pooling for Postgres in 2026 — PgBouncer, Hyperdrive, Supavisor

Why connection pooling is non-negotiable for Postgres apps. PgBouncer transaction-mode quirks, modern alternatives (pgcat, Supavisor, Hyperdrive), and the patterns from production.

May 1, 2026 · 3 min · 583 words · Manvendra Rajpoot

Postgres VACUUM and Bloat in 2026 — The Operator's Manual

Why VACUUM matters, how MVCC creates bloat, autovacuum tuning, bloat detection, pg_repack, and the playbook for keeping Postgres healthy at scale.

April 30, 2026 · 4 min · 657 words · Manvendra Rajpoot

Python 3.13 Features for Developers in 2026 — JIT, GIL Removal, and More

What 3.13 brought, what’s experimental, and which features matter for production backend Python in 2026 — JIT, free-threaded mode, typing improvements, REPL.

April 30, 2026 · 2 min · 377 words · Manvendra Rajpoot

Postgres Performance Tuning Cheat Sheet 2026

Practical Postgres tuning cheat sheet. Config knobs that matter, indexing patterns, reading EXPLAIN ANALYZE BUFFERS, vacuum and bloat, connection pooling, and slow-query diagnostics.

April 30, 2026 · 4 min · 729 words · Manvendra Rajpoot

Postgres Partitioning in 2026 — Range, List, and the Patterns That Scale

When and how to partition Postgres tables. Range / list / hash, partition pruning, attach/detach, default partitions, and the gotchas at scale.

April 30, 2026 · 4 min · 752 words · Manvendra Rajpoot