godseye-test-heap-leaks

Diagnose test memory leaks by collecting V8 heap snapshots during test runs and comparing before/after deltas to surface large growth in specific object kinds. This Node-based CLI consumes snapshots to quantify memory growth across workers.

Yes, you can analyze heap snapshot deltas across parallel CI workers by applying lane-based grouping. This identifies memory leaks across multiple workers or CI shards in Linux environments, producing actionable deltas with optional PID filtering.

Identify retained module growth versus runtime object leaks by comparing heap snapshot deltas and classifying the surfaced growth. This guidance enables targeted fixes by distinguishing retained module growth from actual runtime object leaks.

Compare two heap snapshots to quantify memory growth by running the test suite with memory tracing enabled and using the heapsnapshot-delta.mjs script. This produces actionable deltas that surface large growth in specific object kinds.

Yes, this heap snapshot delta analysis applies in Linux CI environments and local runs. It consumes V8 heap snapshots across multiple workers or lanes to produce actionable memory growth deltas.

Your Node test suite memory grows due to potential leaks identified by comparing V8 heap snapshots. Collecting before/after snapshots and analyzing lane-based deltas surfaces large growth in specific object kinds causing the memory increase.