JVM Articles | Backend Study Lab

Java Aug 19, 2026 5 min read

Evidence-Based JVM Tuning and Capacity Verification

Turn JVM performance hypotheses into controlled canary changes with representative load, rollback, resource budgets, and user-outcome verification.

Java Aug 19, 2026 5 min read

Diagnose Java 25 G1 young, marking, mixed, evacuation, and humongous-object behavior before making minimal evidence-backed tuning changes.

Java Aug 19, 2026 4 min read

Use Java 25 class histograms and heap dumps to test retention and memory-leak hypotheses while controlling pause, disk, and data exposure.

Java Aug 19, 2026 5 min read

Read Java 25 garbage collection logs to distinguish allocation pressure, live-set growth, concurrent work, pauses, and Full GC safely.

Java Aug 19, 2026 5 min read

Diagnose Java 25 tiered compilation, compilation queues, deoptimization, code cache pressure, warmup, JFR, and AOT profile boundaries.

Java Aug 19, 2026 4 min read

Separate Java heap, HotSpot native memory, metaspace, buffers, stacks, RSS, and container OOM evidence with Java 25 NMT.

Java Aug 19, 2026 4 min read

Diagnose Java 25 platform and virtual threads, locks, safepoints, CPU saturation, pinning, and dependency waits with bounded evidence.

Java Aug 19, 2026 5 min read

Diagnose production JVM performance from user impact through CPU, garbage collection, memory, threads, containers, and durable outcomes.

Java Aug 19, 2026 5 min read

Diagnose generational ZGC allocation headroom, concurrent work, stalls, heap sizing, and latency-throughput tradeoffs on Java 25.

Cloud Native Aug 18, 2026 3 min read

Connect Kubernetes CPU and memory policy to scheduling, throttling, OOM termination, JVM memory, connection pools, and downstream capacity.