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Zero‑Idle‑RAM Video Queues in Shadow: PostgreSQL Advisory‑Lock Backpressure with Sub‑200 ms SSE Telemetry

This story is from 2026-10-01. It is preserved in the archive; the latest stories are on the live feed.

1/5 Engineering deep-dive: How we eliminated character drift in autonomous generative video across 10,000+ continuous frames on Shadow. Traditional diffusion models suffer from subtle latent variance that degrades facial structure over multi-shot sequences. Here is our architectural solution. 🧵 2/…

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  1. 2026-10-01 08:34 · DEV Community — AI
    Zero‑Idle‑RAM Video Queues in Shadow: PostgreSQL Advisory‑Lock Backpressure with Sub‑200 ms SSE Telemetry

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