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s3-file-streams

Continuous browser, Java and S3 file streams with backpressure, bounded buffers, cancellation and explicit commit outcomes.

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GITHUB · launched Oct 21, 2026 · 17 upvotes (top 72%)

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Could you build this?

Partial The UI and demo are vibe-codeable, but correct streaming semantics (backpressure, bounded buffers, cancellation, and commit outcomes across browser, Java, and S3) require careful concurrency design that AI-assisted coding often gets subtly wrong.

What it would actually take: The stack would be a streaming library in JavaScript and Java built on the Streams and reactive APIs, with S3 multipart upload and an explicit commit/abort state machine. The hard parts are correctness under cancellation and failure, and testing edge cases. Experienced distributed-systems or backend engineering is needed to make the guarantees trustworthy.

Competitors

Other products that read as similar to this one : 2185 launches clear the similarity bar, closest 8 shown.

Attention rank: #1531 of 2186 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 355 days after the earliest competitor.

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