Network Performance: Latency, Throughput, Jitter & Loss
Understand bandwidth, throughput, latency, RTT, jitter, and packet loss with practical measurements, tail percentiles, and production diagnostic guidance.
Posts tagged with #performance
TCP Congestion Control: Flow, Loss, and Fairness
Learn how TCP congestion control limits traffic, responds to ACKs and loss, and affects throughput, latency, and fairness, with Linux inspection commands.
API Filtering, Sorting, Pagination, and Field Selection
Build collection endpoints that let clients narrow, order, page through, and shape results without slow queries or unstable response behavior.
Async-Profiler: Low-Overhead CPU and Memory Profiling
Learn async-profiler for low-overhead CPU and memory profiling in production. Generate flame graphs, analyze allocations, and diagnose JVM bottlenecks.
CMS and G1 Collectors: Low-Latency Garbage Collection
How CMS and G1 garbage collectors reduce pause times through concurrent marking, region-based heap layout, and incremental compaction.
Deoptimization Debugging: When JIT Compiled Code Reverts
Learn what causes the JVM to deoptimize JIT-compiled code, how to detect deoptimization events, and how to fix the underlying issues.
Execution Engine: Interpreter, JIT Compiler, and Garbage Collector
Deep dive into the JVM Execution Engine covering bytecode interpretation, JIT compilation, and Garbage Collector architecture and algorithms.
GC Fundamentals: Mark-Compact, Copying, and Mark-Sweep
Understanding the three core garbage collection algorithms - Mark-Sweep, Mark-Compact, and Copying - their mechanics, trade-offs, and when to use each.
JVM GC Tuning: Heap Sizing and Threshold Optimization
Practical strategies for sizing JVM heap, tuning generation ratios, and optimizing GC thresholds to reduce pause times and improve throughput.
GraalVM Native Image
Understand ahead-of-time compilation with GraalVM Native Image and the Substrate VM runtime for near-instant startup and minimal memory footprint.