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Document the stack size local test runs need #335

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41bbbba
chore(test): raise cargo-run thread stacks to 8 MiB
EnRaiha Sep 17, 2026
94a4278
chore(test): drop the cargo stack override
EnRaiha Sep 17, 2026
8f6369d
docs(test): document the CI stack size for local runs
EnRaiha Sep 17, 2026
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3 changes: 2 additions & 1 deletion CONTRIBUTING.md
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Expand Up @@ -87,7 +87,8 @@ cd nodedb
cargo build --release

# Run the full test suite
cargo nextest run --all-features
# Debug-profile test binaries overflow the 2 MiB thread default; 32 MiB is the value CI sets.
RUST_MIN_STACK=33554432 cargo nextest run --all-features
```

**Why nextest, not `cargo test`?** The `.config/nextest.toml` defines a `cluster` test group that serializes 3-node integration tests and retries known-flaky ones. `cargo test` ignores all of that and will hang or fail on the cluster suite.
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