OS, Storage, Database, Network Improving Performance with Background Data Prefetching at Instagram Fixing Linux filesystem performance regressions at LinkedIn Compression Techniques to Solve Network I/O Bottlenecks at eBay Optimizing Web Servers for High Throughput and Low Latency at Dropbox Linux Performance Analysis in 60.000 Milliseconds at Netflix Live Downsizing Google Cloud Persistent Disks (PD-SSD) at Mixpanel Decreasing RAM Usage by 40% Using jemalloc with Python & Celery at Zapier Reducing Memory Footprint at Slack Performance Improvements at Pinterest Server Side Rendering at Wix 30x Performance Improvements on MySQLStreamer at Yelp Optimizing APIs at Netflix Performance Monitoring with Riemann and Clojure at Walmart Performance Tracking Dashboard for Live Games at Zynga Optimizing CAL Report Hadoop MapReduce Jobs at eBay Performance Tuning on Quartz Scheduler at eBay Profiling C++ (Part 1: Optimization, Part 2: Measurement and Analysis) at Riot Games Profiling React Server-Side Rendering at HomeAway Hardware-Assisted Video Transcoding at Dailymotion Cross Shard Transactions at 10 Million RPS at Dropbox API Profiling at Pinterest Pagelets Parallelize Server-side Processing at Yelp Improving key expiration in Redis at Twitter Ad Delivery Network Performance Optimization with Flame Graphs at MindGeek Predictive CPU isolation of containers at Netflix Improving HDFS I/O Utilization for Efficiency at Uber Cloud Jewels: Estimating kWh in the Cloud at Etsy Unthrottled: Fixing CPU Limits in the Cloud (2 parts) at Indeed Tuning Garbage Collection Garbage Collection in Java Applications at LinkedIn Garbage Collection in High-Throughput, Low-Latency Machine Learning Services at Adobe Garbage Collection in Redux Applications at SoundCloud Garbage Collection in Go Application at Twitch Analyzing V8 Garbage Collection Logs at Alibaba Python Garbage Collection for Dropping 50% Memory Growth Per Request at Instagram Performance Impact of Removing Out of Band Garbage Collector (OOBGC) at Github Debugging Java Memory Leaks at Allegro Optimizing JVM at Alibaba Tuning JVM Memory for Large-scale Services at Uber Solr Performance Tuning at Walmart Memory Tuning a High Throughput Microservice at Flipkart Image, Video, Page Load Optimizing 360 Photos at Scale at Facebook Reducing Image File Size in the Photos Infrastructure at Etsy Improving GIF Performance at Pinterest Optimizing Video Playback Performance at Pinterest Optimizing Video Stream for Low Bandwidth with Dynamic Optimizer at Netflix Adaptive Video Streaming at YouTube Reducing Video Loading Time at Dailymotion Improving Homepage Performance at Zillow The Process of Optimizing for Client Performance at Expedia Web Performance at BBC Brotli Compression Boosting Site Speed Using Brotli Compression at LinkedIn Brotli at Booking.com Brotli at Treebo Deploying Brotli for Static Content at Dropbox Progressive Enhancement with Brotli at Yelp Speeding Up Redis with Compression at Doordash Languages and Frameworks Python at Netflix Python at scale (3 parts) at Instagram OCaml best practices (2 parts) at Issuu PHP at Slack Go at Trivago TypeScript at Etsy BPF and Go at Bumble Ruby on Rails at GitLab Choosing a Language Stack at WeWork Switching from Go to Rust at Discord ASP.NET Core Performance Optimization at Agoda