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Latest from CodeOnCode

2 recent articles

CodeOnCode

Jul 8, 2026 · Backend Development

JVM Tuning for High‑Traffic Sales: Compute the Full Memory Budget Before Gray‑Release

The article explains how to safely adjust JVM parameters for large‑scale e‑commerce events by first calculating the total container memory usage, using targeted G1GC tweaks, validating changes with load tests and metrics, and preparing a detailed gray‑release and rollback plan.

ArthasG1GCGrayRelease

0 likes · 15 min read

JVM Tuning for High‑Traffic Sales: Compute the Full Memory Budget Before Gray‑Release

CodeOnCode

Jul 6, 2026 · Backend Development

Big‑Sale Load Test: Why You Shouldn't Rush to Tune JVM Parameters

During a major sales promotion, a sudden P99 latency jump can tempt teams to tweak JVM settings, but this article shows how to build a three‑layer evidence chain—GC logs, JFR, business and container metrics—to confirm whether the JVM is truly at fault before making any parameter changes.

Big SaleGCJFR

0 likes · 16 min read

Big‑Sale Load Test: Why You Shouldn't Rush to Tune JVM Parameters