Tagged articles

custom-thread-pool

3 articles · Page 1 of 1

Aug 28, 2026 · Backend Development

I Almost Got Fired Using Parallel Stream in Production

A production outage caused by Java 8 parallel streams exposed the dangers of the default commonPool, unlimited task queuing, and long‑running API calls, leading to 100% CPU, 30+ GC events per hour, and a near‑service collapse, which was resolved by custom thread pools, timeouts, and CompletableFuture alternatives.

CompletableFutureForkJoinPoolJava

0 likes · 7 min read

I Almost Got Fired Using Parallel Stream in Production

Cognitive Technology Team

Jul 19, 2025 · Backend Development

Boost Java Parallel Stream Performance with Custom Thread Pools

This tutorial explains Java 8 parallel streams, their performance trade‑offs, and how to run them with a custom ForkJoinPool to improve speed while avoiding memory leaks, including code examples and best‑practice recommendations.

ForkJoinPoolJavaParallel Streams

0 likes · 6 min read

Boost Java Parallel Stream Performance with Custom Thread Pools

FunTester

Dec 4, 2024 · Backend Development

Mastering Custom ThreadPoolExecutor: Build Flexible Java Thread Pools

This article explains why the standard Executors factory methods may be insufficient, details each ThreadPoolExecutor constructor parameter, demonstrates how to configure a custom pool for performance testing, and walks through multiple code examples that illustrate thread creation, queue behavior, and rejection policies.

ConcurrencyJavaJava concurrency

0 likes · 14 min read

Mastering Custom ThreadPoolExecutor: Build Flexible Java Thread Pools