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perf(runner-shared): buffer the decompressed memtrack event stream #560

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Merged
not-matthias merged 1 commit into from
Oct 2, 2026
Merged

perf(runner-shared): buffer the decompressed memtrack event stream #560

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7 changes: 5 additions & 2 deletions crates/runner-shared/src/artifacts/memtrack/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,15 @@ impl super::ArtifactExt for MemtrackArtifact {
}

impl MemtrackArtifact {
/// The msgpack decoder reads a few bytes per call, so the decompressed
/// stream is buffered rather than read straight from the zstd decoder.
#[allow(clippy::type_complexity)]
pub fn decode_streamed<R: std::io::Read>(
reader: R,
) -> anyhow::Result<MemtrackEventStream<zstd::Decoder<'static, std::io::BufReader<R>>>> {
) -> anyhow::Result<MemtrackEventStream<BufReader<zstd::Decoder<'static, BufReader<R>>>>> {
let decoder = zstd::Decoder::new(reader)?;
Ok(MemtrackEventStream {
deserializer: rmp_serde::Deserializer::new(decoder),
deserializer: rmp_serde::Deserializer::new(BufReader::new(decoder)),
})
}

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