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ANKUSH CHOUDHARY JOHAL6d ago • 13 min read
War Story: How a Prometheus 2.52 Misconfiguration Missed a 30% Spike in Lambda Cold Starts 2026
In Q3 2026, a single misconfigured Prometheus 2.52 scrape interval caused our team to miss a 30%...
#story#prometheus#misconfiguration#missed
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 15 min read
Postmortem: How a OpenTelemetry 1.20 Misconfiguration and Datadog 1.20 Agent Crash Lost 2 Hours of Metrics
At 14:17 UTC on October 12, 2023, a misconfigured OpenTelemetry 1.20 SDK export pipeline and a silen...
#postmortem#opentelemetry#misconfiguration#datadog
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 15 min read
Postmortem: How a WireGuard Misconfiguration and OpenVPN 2.6 Conflict Caused a Remote Access Outage
On March 12, 2024, a routine WireGuard peer update triggered a cascading failure that knocked 1,200....
#postmortem#wireguard#misconfiguration#openvpn
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 3 min read
Postmortem: How a LaunchDarkly 2026 Misconfiguration Served New Features to 100% of Users
Postmortem: How a 2026 LaunchDarkly Misconfiguration Served New Features to 100% of...
#postmortem#launchdarkly#2026#misconfiguration
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ANKUSH CHOUDHARY JOHALApr 30, 2026 • 14 min read
War Story: How a Cilium 1.17 eBPF Misconfiguration Exposed Internal Kubernetes 1.32 Services
72 hours. That’s how long internal Kubernetes 1.32 services in our production cluster were exposed t...
#story#cilium#ebpf#misconfiguration
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ANKUSH CHOUDHARY JOHALApr 29, 2026 • 11 min read
Postmortem: Next.js 15.3 RSC Cache Misconfiguration Led to 2x Latency Spike for 1M+ Daily Active Users
On October 12, 2024, Next.js 15.3’s default React Server Component (RSC) cache configuration pushed....
#postmortem#nextjs#cache#misconfiguration
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ANKUSH CHOUDHARY JOHALApr 30, 2026 • 13 min read
Postmortem: How a Citus 11.0 Misconfiguration Caused Data Inconsistency Across Shards
At 14:37 UTC on October 17, 2023, a single misconfiguration in Citus 11.0’s shard mapping logic...
#postmortem#citus#misconfiguration#caused
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ANKUSH CHOUDHARY JOHALApr 27, 2026 • 0 min read
Postmortem: A Helm 3.15 Chart Misconfiguration Exposed Our Kubernetes 1.32 Dashboard
A post by ANKUSH CHOUDHARY JOHAL
#postmortem#helm#chart#misconfiguration
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ANKUSH CHOUDHARY JOHALApr 30, 2026 • 13 min read
Postmortem: How a Stripe Webhook Misconfiguration Caused 100+ Duplicate Payments
At 14:32 UTC on March 12, 2024, our payment monitoring dashboard lit up with 112 duplicate Stripe...
#postmortem#stripe#webhook#misconfiguration
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ANKUSH CHOUDHARY JOHALMay 1, 2026 • 18 min read
Postmortem: How a Kubernetes 1.32 RBAC Misconfiguration Led to a Data Breach in Q1 2026
In Q1 2026, a single Kubernetes 1.32 RBAC misconfiguration exposed 4.2 million user records, cost a....
#postmortem#kubernetes#rbac#misconfiguration
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ANKUSH CHOUDHARY JOHALApr 28, 2026 • 13 min read
Postmortem: How a Vault 1.15.0 Misconfiguration Exposed Our Kubernetes 1.31 Secrets to the Public
At 14:22 UTC on October 17, 2024, our security scanner flagged 1,427 Kubernetes 1.31...
#postmortem#vault#1150#misconfiguration
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