Fixing PostgreSQL “Batch Query Latency Spike from 20ms to 1s” – Default Fillfactor Breaking HOT Updates under Heavy UPSERT
Environment: Google Cloud SQL (PostgreSQL), OLTP workload with ~1k UPSERTs/sec, 50M rows (scaling to 1B). 1.…
Specializing in emergency recovery for critical issues—such as Out-of-Memory (OOM) errors, CPU spikes, and storage volume mounting failures—affecting vector databases like Milvus and Chroma.
Environment: Google Cloud SQL (PostgreSQL), OLTP workload with ~1k UPSERTs/sec, 50M rows (scaling to 1B). 1.…
The Symptom: 100GB Gone, No Explanation Three months into running Open WebUI in production, our…
Problem Statement We inherited an EKS cluster that was originally set up in 2020. About…
When a Kubernetes pod repeatedly crashes with OOMKilled and Exit Code: 137, the standard reaction—doubling…
We hit this while onboarding a fresh Linux Mint 22.3 “Zena” box into our Tailscale…
Incident Context Component and version: Pinecone Python SDK v9.1.0 (pinned in requirements.txt; Hands-on testing v9.0.x–v9.1.x All…
Incident Context Component and version: Docker Engine 17.09.1–27.x, Docker Compose, Docker Toolbox (Windows) Deployment method:…