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🏷️ performance

37 posts

August 5, 2024

AI-Driven Database Query Optimization: 10x Performance Improvement

Using GPT-4 to optimize slow SQL queries - reduced query time from 45s to 4s, identified missing indexes, and improved database schema

September 28, 2022

Python Async Programming - asyncio and aiohttp in Production

Leveraging Python's asyncio and aiohttp to build high-performance async applications, handling 10K+ concurrent requests.

August 22, 2022

Building Fast Full-Text Search with Elasticsearch

Implementing a fast and relevant full-text search system using Elasticsearch, including indexing strategies, query optimization, and relevance tuning.

July 20, 2022

PostgreSQL Performance Tuning - From 500ms to 20ms Queries

Practical PostgreSQL performance tuning techniques that reduced query times from 500ms to 20ms, including indexing strategies, query optimization, and configuration tuning.

May 10, 2022

Rust Performance Optimization - From 2s to 50ms

How I optimized a Rust data processing pipeline from 2 seconds to 50 milliseconds through profiling, algorithmic improvements, and Rust-specific optimizations.

March 15, 2022

React Performance Optimization - From 3s to 300ms Load Time

Optimizing a React application's load time from 3 seconds to 300ms through code splitting, lazy loading, memoization, and bundle optimization.

February 8, 2022

Scaling Microservices to 10K RPS with Kubernetes - A Production Journey

How we scaled our microservices architecture from 500 to 10,000 requests per second using Kubernetes, including real metrics, challenges, and lessons learned.

October 28, 2021

AWS Lambda Performance Optimization - Cold Start Solutions

Optimizing AWS Lambda functions to reduce cold starts from 3 seconds to 300ms using provisioned concurrency and other techniques.

October 12, 2021

Building High-Performance Web Services with Rust

Building blazingly fast web services with Rust and Actix-web, achieving 50K+ requests per second with minimal resource usage.

May 30, 2021

Go Concurrency Patterns - Goroutines and Channels in Production

Advanced Go concurrency patterns using goroutines and channels, with real-world examples from high-throughput systems.

April 30, 2021

Redis Caching Strategies - From 500ms to 10ms Response Time

Implementing effective Redis caching strategies to reduce API response time from 500ms to 10ms, handling 10K+ requests per second.

April 15, 2021

Next.js 11 - New Features and Performance Improvements

Exploring Next.js 11's new features including improved performance, Webpack 5 support, and enhanced developer experience.

March 12, 2021

PostgreSQL JSON Performance - Optimizing JSONB Queries

Optimizing PostgreSQL JSONB queries from 2 seconds to 50ms using indexes, query planning, and schema design.

February 25, 2021

React Server Components - The Future of React

Deep dive into React Server Components, exploring the new paradigm for building faster React applications with zero-bundle-size components.

November 25, 2020

MongoDB Aggregation Pipeline: Complex Queries Made Simple

Optimized MongoDB queries with aggregation pipeline - query time 30s → 2s (93% faster), complex analytics now possible

October 5, 2020

PostgreSQL 13: Performance Improvements That Matter

Upgraded to PostgreSQL 13 - B-tree deduplication, parallel vacuum, incremental sort. Query performance improved by 40%, vacuum 2x faster

September 25, 2020

Building High-Performance Microservices with Go and gRPC

Migrated from REST to gRPC microservices in Go - latency 100ms → 5ms (95% reduction), throughput 10x higher

August 10, 2020

Building a High-Performance API Gateway with Kong

Built API gateway with Kong - rate limiting, authentication, caching. Handles 50K req/s, reduced backend load by 70%

July 5, 2020

Elasticsearch Performance Tuning: From 10s to 100ms Queries

Optimized Elasticsearch cluster - proper indexing, shard sizing, query optimization. Query time 10s → 100ms (99% improvement)

April 10, 2020

Nginx Performance Tuning: Handling 100K Concurrent Connections

Optimized Nginx for high traffic - 10K → 100K concurrent connections, latency -60%, proper caching and load balancing

March 20, 2020

Solving Prometheus High Cardinality: From 10M to 100K Series

Fixed Prometheus high cardinality issue - reduced time series from 10M to 100K (99% reduction). Query performance improved 50x

February 20, 2020

MySQL 8.0 Performance Tuning: From 1K to 10K QPS

Optimized MySQL 8.0 with new features - query performance 10x, instant DDL, invisible indexes. QPS 1K → 10K

January 25, 2020

Python 3.8: Walrus Operator and Performance Wins

Migrated to Python 3.8 - walrus operator, positional-only params, f-string debugging. Code cleaner, performance +15%

November 23, 2019

Go Performance Profiling: Using pprof to Optimize CPU and Memory

Profiling and optimizing Go applications - reducing CPU usage by 60% and memory by 70% using pprof, benchmarks, and real production examples

October 12, 2019

Docker Storage Drivers: overlay2 vs devicemapper Performance Comparison

Choosing the right Docker storage driver - comparing overlay2, devicemapper, and aufs with real-world benchmarks and production recommendations

September 13, 2019

Kubernetes Horizontal Pod Autoscaling: Handling Traffic Spikes

Implementing HPA to automatically scale microservices based on CPU, memory, and custom metrics

June 28, 2019

Docker BuildKit: Faster Builds with Better Caching

Migrating to Docker BuildKit for parallel builds, better caching, and 3x faster build times

March 15, 2019

Python 3.8 in Production: Walrus Operator and Performance Gains

Upgrading to Python 3.8 and leveraging new features like the walrus operator, positional-only parameters, and performance improvements

March 15, 2018

Building Production-Ready Vue SSR with Nuxt.js

My experience migrating a Vue SPA to server-side rendering using Nuxt.js for better SEO and performance

December 20, 2017

Vue.js Performance Optimization: From 3s to 800ms Load Time

Optimizing Vue.js application performance - code splitting, lazy loading, computed caching, and virtual scrolling

November 5, 2017

Advanced Go Concurrency Patterns: Worker Pools and Pipelines

Building robust concurrent systems in Go - worker pools, pipelines, context cancellation, and avoiding common pitfalls

October 11, 2017

Redis Caching Strategies: From 2s to 50ms Response Time

Implementing effective caching patterns with Redis to dramatically improve API performance

August 22, 2017

Python Asyncio in Production: Building High-Performance APIs

Migrating a Flask service to async Python with aiohttp, achieving 5x throughput improvement

November 7, 2016

PostgreSQL Query Optimization: From 5s to 50ms

How I optimized slow database queries using indexes, query analysis, and caching strategies

August 25, 2016

Frontend Performance Optimization: From 8s to 2s Load Time

How I reduced our web app's load time by 75% through code splitting, lazy loading, and asset optimization

June 26, 2016

Debugging a Production Java Memory Leak at 2 AM

War story: How I tracked down and fixed a memory leak in production using heap dumps and MAT.

June 15, 2016

PostgreSQL Index Optimization: From 12s to 80ms

Optimizing slow queries with proper indexing strategies - B-tree, partial indexes, and covering indexes in production

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