Sample reports

Your next incident probably looks like one of these.

Paste your logs and get a cited RCA in about 120 seconds. Free, no signup required. Below are realistic examples (Kubernetes, Kafka, Redis, Stripe, MongoDB, Lambda, Elasticsearch, and more), each with a timeline, 5 Whys, and evidence lines you can compare to your own stack.

Timeline & RCA
Evidence-linked
Board-ready PDF

SeverityP1

MTTR18 min

Peak error92%

Kubernetes Crash Loop Postmortem

This Kubernetes CrashLoopBackOff postmortem documents a production incident where checkout-api pods entered a crash loop after deploying v2.15.0. The root cause was a nil pointer dereference in PaymentService.Process() when Redis session cache was unavailable. The incident lasted 18 minutes and affected approximately 8,000 users. Timeline: 09:00:02 PagerDuty alert, 09:00:20 checkout-api connection refused, 09:00:35 rollback initiated, 09:01:15 all pods healthy. Detection → Response → Resolution completed in under 60 seconds. This postmortem includes 5 Whys analysis, prevention checklist, and log evidence.

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SeverityP1

MTTR2.5h

Peak error—

Redis Cluster Failure RCA

This Redis cluster failure root cause analysis covers a 2.5-hour degraded performance incident. Primary node OOM crash due to memory fragmentation; replica failover delayed 8 minutes. ~180,000 sessions lost. Cache stampede exhausted DB connection pool. Root cause: unbounded cache key growth (40M keys, no TTL). Timeline: 11:38 memory warning, 11:42 primary crash, 11:52 replica ready, 14:12 resolved. Includes 5 Whys, prevention checklist, and evidence.

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SeverityP1

MTTR47 min

Peak error100%

Stripe API Timeout Incident

This Stripe API timeout incident report documents a 47-minute payment outage. Circuit breaker misconfiguration + connection pool exhaustion. ~12,000 users affected, ~$340K lost revenue. Timeline: 14:23 first alert, 14:32 pool exhausted, 14:48 rollback decision, 15:10 resolved. Root cause: circuit breaker too tolerant (10 failures/30s), Stripe timeout increased 5s→15s. Includes 5 Whys, prevention checklist, payment gateway failure recovery.

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SeverityP2

MTTR45 min

Peak error15%

Database Connection Pool Exhaustion

This database connection pool postmortem covers PostgreSQL exhaustion during a traffic spike. Slow analytical query (8+ min) + connection leak in order-sync-worker v1.2.0. All 200 connections held. P99 latency 30s, 15% requests failed. Timeline: 16:15 traffic spike, 16:22 pool exhausted, 16:28 kill query + scale worker, 17:07 resolved. Root cause: no statement_timeout, leak in error path. Includes 5 Whys, prevention checklist.

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SeverityP2

MTTR35 min

Peak errorlag +2.1M msgs

Kafka Consumer Lag Incident: Root Cause Analysis Example

Kafka consumer lag RCA example: consumer group behind primary producer throughput after deploy; partitions under-provisioned and per-record processing jumped from 12ms → 180ms. Timeline with UTC stamps, log evidence, 5 Whys (partition strategy → handler regression → missing soak test), and prevention checklist for streaming teams.

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SeverityP1

MTTR2h 10min

Peak error38%

Java Memory Leak Postmortem: Heap Exhaustion in Production

Java heap exhaustion postmortem: OOMKilled pods, GC thrashing, heap dump analysis finds unclosed PreparedStatement in retry loop on SQLException. Full UTC timeline, 5 Whys, JDBC leak prevention checklist, and realistic JVM / JDBC log excerpts for SEO.

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SeverityP1

MTTR22 min

Peak error73%

Nginx 502 Bad Gateway: Upstream Failure RCA

Nginx 502 Bad Gateway RCA: upstream connection refused after deploy; root cause missing env var causing Node crash loop; realistic Nginx error_log + kube pod logs, MTTR 22 min, P1, prevention checklist for config validation at deploy.

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SeverityP2

MTTR1h 15min

Peak error—

MongoDB Replication Lag Incident Postmortem

MongoDB replication lag postmortem: secondary behind primary during index build; oplog pressure, UTC timeline, P2 MTTR 1h 15m, 5 Whys, checklist for rolling index builds & read concern tuning.

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SeverityP1

MTTR55 min

Peak errortimeout 34%

AWS Lambda Timeout Cascade: Serverless Incident RCA

AWS Lambda timeout RCA: VPC cold start + DynamoDB anti-pattern; SQS backlog evidence, CloudWatch excerpts, P1 MTTR 55 min, 5 Whys, prevention (provisioned concurrency, strip VPC when possible, batch dynamo). Strong serverless SEO keywords.

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SeverityP1

MTTR3h

Peak errorcluster_red

Elasticsearch Split Brain: Cluster Partition Postmortem

Elasticsearch split brain postmortem: network partition, dual master scenario, cluster state divergence; realistic ES logs, zen / quorum discussion, P1 MTTR 3h, 5 Whys, Elasticsearch quorum checklist for SEO.

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Your next incident probably looks like one of these.

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