latency

Hugging Face Transformers query latency spike after Kubernetes autoscale

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Problem Description During peak traffic (≈10 000 req/min) the Hugging Face Transformers inference service, deployed behind an NGINX Ingress controller on a Kubernetes cluster with Horizontal Pod Autoscaler (HPA) enabled, exhibited a sudden latency increase: Baseline latency: ~50 ms per request. Observed tail latency: 1 s – 2 s, often resulting in client‑side timeouts. NGINX logs showed repeated 504 Gateway Timeout errors: 2024/06/19 12:45:23 … Read more

PostgreSQL OAuth2 token refresh fails due to network latency

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Problem – OAuth2 Token Refresh Fails on Edge Nodes In a remote industrial monitoring deployment an edge‑computing node runs PostgreSQL 15 with OAuth2‑based client authentication. When the network latency to the central authentication service exceeds a few hundred milliseconds, connections are abruptly terminated and the following errors appear in the PostgreSQL log: 2024-05-12 10:23:45.123 UTC … Read more