FEATURED#Backend
Solving the Cold-Start Problem in Distributed CL Clusters
How we re-architected our execution environments to reduce P99 cold-start latency from 1.2s to under 40ms using predictive provisioning and snapshotting.
SJ
Sarah Jenkins
2024-10-24 • 6 min read
RUSTFAST-PATH
async fn provision_worker(req: WorkerReq) -> Result<Worker, Err> {
// Fast path: pre-warmed pool
if let Some(w) = pool.try_acquire() {
return Ok(w);
}
// Snapshot restoration fallback
snapshot::restore_fast(&req.environment_id).await
}