https://blog.rajpoot.dev/tags/performance/ Recent content in Performance on Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Sun, 17 May 2026 17:50:46 +0530 https://blog.rajpoot.dev/cheatsheets/react/06-memoization-cheatsheet/ Tue, 19 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/06-memoization-cheatsheet/ React memoization cheatsheet — when to memo, useMemo, useCallback. https://blog.rajpoot.dev/cheatsheets/mongodb/07-perf-cheatsheet/ Thu, 28 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/07-perf-cheatsheet/ MongoDB performance — indexes, explain, slow ops. https://blog.rajpoot.dev/cheatsheets/react/07-performance-cheatsheet/ Tue, 19 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/07-performance-cheatsheet/ React performance cheatsheet — profiling, common bottlenecks, optimizations. https://blog.rajpoot.dev/cheatsheets/sqlalchemy/08-performance-cheatsheet/ Tue, 12 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/08-performance-cheatsheet/ SQLAlchemy 2.0 performance cheatsheet — N+1 prevention, bulk ops, server-side cursors, query analysis. https://blog.rajpoot.dev/cheatsheets/python/09-profiling-cheatsheet/ Sun, 17 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/09-profiling-cheatsheet/ Python profiling cheatsheet — cProfile, py-spy, scalene, memory profiling. https://blog.rajpoot.dev/textbooks/sqlalchemy-postgres/09-upsert-bulk/ Fri, 08 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/textbooks/sqlalchemy-postgres/09-upsert-bulk/ Chapter 9 — Postgres upsert (ON CONFLICT) via SQLAlchemy, bulk insert, COPY for huge loads. https://blog.rajpoot.dev/textbooks/sqlalchemy/09-performance/ Thu, 07 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/textbooks/sqlalchemy/09-performance/ Chapter 9 — SQLAlchemy performance: N+1 prevention, bulk inserts, streaming, indexes, query analysis. https://blog.rajpoot.dev/textbooks/pydantic/10-performance-and-alternatives/ Sat, 09 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/textbooks/pydantic/10-performance-and-alternatives/ Chapter 10 — Pydantic performance, FastAPI integration patterns, and alternatives (msgspec, attrs). https://blog.rajpoot.dev/cheatsheets/nginx/11-perf-cheatsheet/ Sun, 24 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/11-perf-cheatsheet/ Nginx performance — workers, connections, sysctl, profiling. https://blog.rajpoot.dev/cheatsheets/linux/17-perf-cheatsheet/ Mon, 25 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/17-perf-cheatsheet/ Linux performance — tools, sysctl, scheduler, I/O. https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Wed, 13 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Postgres slow-query diagnosis — pg_stat_statements, auto_explain, log_min_duration_statement. https://blog.rajpoot.dev/cheatsheets/django/19-performance-cheatsheet/ Thu, 21 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/19-performance-cheatsheet/ Django performance — query optimization, caching, connection pooling. https://blog.rajpoot.dev/cheatsheets/react/19-virtualization-cheatsheet/ Tue, 19 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/19-virtualization-cheatsheet/ React list cheatsheet — keys, virtualization, infinite scroll. https://blog.rajpoot.dev/posts/devops/load-testing-2026/ Tue, 05 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/posts/devops/load-testing-2026/ Load testing in 2026 — k6, Vegeta, Locust, capacity planning, and the discipline of tests that match real traffic. https://blog.rajpoot.dev/posts/rust/rust-performance-2026/ Mon, 04 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/posts/rust/rust-performance-2026/ Rust performance in 2026 — criterion benchmarks, flamegraphs, allocation profiling, and the patterns that turn 'fast Rust' into actual fast Rust. https://blog.rajpoot.dev/posts/backend/connection-pooling-pgbouncer-2026/ Fri, 01 May 2026 00:00:00 +0530 https://blog.rajpoot.dev/posts/backend/connection-pooling-pgbouncer-2026/ Postgres connection pooling in 2026 — PgBouncer modes, Hyperdrive, Supavisor, pgcat, and the pattern that scales serverless and stateful apps. https://blog.rajpoot.dev/posts/postgresql/postgres-vacuum-bloat-2026/ Thu, 30 Apr 2026 19:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-vacuum-bloat-2026/ Postgres VACUUM, autovacuum tuning, bloat detection, and the operational patterns that keep large Postgres tables performant in 2026. https://blog.rajpoot.dev/posts/python/python-3-13-features-developers-2026/ Thu, 30 Apr 2026 18:40:00 +0530 https://blog.rajpoot.dev/posts/python/python-3-13-features-developers-2026/ Python 3.13 features for backend developers in 2026 — experimental JIT, free-threaded (no GIL) builds, REPL improvements, and what they mean for production. https://blog.rajpoot.dev/posts/postgresql/postgresql-performance-tuning-2026/ Thu, 30 Apr 2026 15:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-performance-tuning-2026/ A practical Postgres performance tuning cheat sheet for 2026 — config knobs, indexing, EXPLAIN reading, vacuum, connection pools, and the diagnostics that find slow queries fast. https://blog.rajpoot.dev/posts/postgresql/postgresql-partitioning-2026/ Thu, 30 Apr 2026 15:20:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-partitioning-2026/ Postgres table partitioning in 2026 — range, list, hash partitioning, partition pruning, attach/detach, and the patterns for huge tables. https://blog.rajpoot.dev/posts/python/polars-pandas-data-engineering-2026/ Thu, 30 Apr 2026 09:30:00 +0530 https://blog.rajpoot.dev/posts/python/polars-pandas-data-engineering-2026/ Why Polars replaces Pandas for production data engineering in 2026 — lazy execution, Arrow-native columnar engine, the API differences, and migration tips. https://blog.rajpoot.dev/posts/typescript/sveltekit-astro-content-sites-2026/ Wed, 29 Apr 2026 10:20:00 +0530 https://blog.rajpoot.dev/posts/typescript/sveltekit-astro-content-sites-2026/ SvelteKit vs Astro for content sites in 2026 — islands architecture, server-rendered pages, hydration costs, MDX, and a clear recommendation by use case. https://blog.rajpoot.dev/posts/postgresql/postgresql-18-features-developers-guide/ Wed, 29 Apr 2026 09:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-18-features-developers-guide/ PostgreSQL 18's most important features for developers — async I/O for up to 3× read perf, native uuidv7(), virtual generated columns, OAuth auth, EXPLAIN buffers by default, and the upgrade gotchas. https://blog.rajpoot.dev/posts/backend/caching-strategies-redis-valkey-2026/ Tue, 28 Apr 2026 20:30:00 +0530 https://blog.rajpoot.dev/posts/backend/caching-strategies-redis-valkey-2026/ Modern caching strategies for backend systems — cache-aside, write-through, write-behind, stampedes, hot keys, and how Redis 8 and Valkey diverged in 2026. https://blog.rajpoot.dev/posts/postgresql/postgresql-jsonb-advanced-patterns/ Tue, 28 Apr 2026 20:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-jsonb-advanced-patterns/ Advanced PostgreSQL JSONB patterns for production — GIN indexing strategies, query operators, partial indexes, generated columns, and the performance pitfalls that bite at scale. https://blog.rajpoot.dev/posts/typescript/bun-vs-nodejs-2026/ Tue, 28 Apr 2026 19:30:00 +0530 https://blog.rajpoot.dev/posts/typescript/bun-vs-nodejs-2026/ Bun vs Node.js in 2026 — real-world benchmarks, native TypeScript, what actually works in production, the migration gotchas, and when each runtime is the right choice. https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ Tue, 28 Apr 2026 16:50:00 +0530 https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ A serious deep dive into pgvector — index types (HNSW vs IVFFlat), distance operators, build parameters, ef_search tuning, and how to make Postgres a competent vector database in production. https://blog.rajpoot.dev/posts/backend/redis-caching-strategies/ Tue, 28 Apr 2026 15:00:00 +0530 https://blog.rajpoot.dev/posts/backend/redis-caching-strategies/ A practical guide to caching with Redis — cache-aside, read-through, write-through, write-behind, TTLs, invalidation, and the patterns that scale. https://blog.rajpoot.dev/posts/postgresql/postgresql-full-text-search/ Tue, 28 Apr 2026 14:05:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-full-text-search/ How to add real full-text search to your app using only PostgreSQL — tsvector, tsquery, ranking, GIN indexes, and how to know when to graduate to Elasticsearch. https://blog.rajpoot.dev/posts/postgresql/postgresql-indexing-and-explain/ Tue, 28 Apr 2026 14:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-indexing-and-explain/ A practical, hands-on guide to PostgreSQL indexing and reading EXPLAIN plans — when to add indexes, what kinds to use, and how to debug slow queries. https://blog.rajpoot.dev/posts/django/django-orm-deep-dive/ Tue, 28 Apr 2026 13:30:00 +0530 https://blog.rajpoot.dev/posts/django/django-orm-deep-dive/ A practical, opinionated tour of the Django ORM — querysets, lazy evaluation, the N+1 trap, select_related vs prefetch_related, and the queries you actually want to write. https://blog.rajpoot.dev/posts/python/async-await-explained/ Tue, 28 Apr 2026 13:10:00 +0530 https://blog.rajpoot.dev/posts/python/async-await-explained/ The mental model that makes Python's async/await actually click — what it is, what it isn't, when to use it, and the mistakes that quietly ruin async code.