Browse by tag
1018 tags across 645 postmortems.
The 65 tags that appear in at least 10 postmortems, sized by frequency.
- actions 16
- api 46
- authentication 12
- availability-zone 14
- aws 59
- bgp 14
- bootstrapped 11
- bug 11
- caching 18
- capacity 29
- cascading-failure 12
- cdn 15
- codespaces 21
- config-error 26
- configuration 40
- control-plane 14
- copilot 13
- data-loss 21
- database 165
- datacenter 17
- ddos 22
- deployment 32
- dns 47
- dyno 12
- ebs 11
- ec2 21
- elasticsearch 12
- failover 21
- funding 11
- gcp 11
- github-actions 23
- hardware 16
- human-error 15
- incident-response 24
- infrastructure 29
- kafka 11
- kubernetes 26
- load-balancer 15
- load-balancing 10
- migration 18
- monitoring 22
- mysql 21
- network 22
- networking 67
- notifications 14
- outage 532
- postgres 20
- postgresql 11
- postmortem 14
- power-failure 11
- proxy 10
- rate-limiting 19
- rds 10
- redis 15
- rollback 14
- root-cause-analysis 19
- routing 20
- s3 10
- saas 11
- security 28
- security-incident 16
- shutdown 42
- storage 12
- third-party 10
- us-east-1 24
- outage 532
- database 165
- networking 67
- aws 59
- dns 47
- api 46
- shutdown 42
- configuration 40
- deployment 32
- capacity 29
- infrastructure 29
- security 28
- config-error 26
- kubernetes 26
- incident-response 24
- us-east-1 24
- github-actions 23
- ddos 22
- monitoring 22
- network 22
- codespaces 21
- data-loss 21
- ec2 21
- failover 21
- mysql 21
- postgres 20
- routing 20
- rate-limiting 19
- root-cause-analysis 19
- caching 18
- migration 18
- datacenter 17
- actions 16
- hardware 16
- security-incident 16
- cdn 15
- human-error 15
- load-balancer 15
- redis 15
- availability-zone 14
- bgp 14
- control-plane 14
- notifications 14
- postmortem 14
- rollback 14
- copilot 13
- authentication 12
- cascading-failure 12
- dyno 12
- elasticsearch 12
- storage 12
- bootstrapped 11
- bug 11
- ebs 11
- funding 11
- gcp 11
- kafka 11
- postgresql 11
- power-failure 11
- saas 11
- load-balancing 10
- proxy 10
- rds 10
- s3 10
- third-party 10
- alerting 9
- github-pages 9
- logging 9
- marketplace 9
- pivot 9
- race-condition 9
- third-party-dependency 9
- vip 9
- acquisition 8
- atlas 8
- azure 8
- ci-cd 8
- credentials 8
- elastic-cloud 8
- feature-flags 8
- github 8
- packages 8
- performance 8
- replication 8
- security-breach 8
- software-bug 8
- tls 8
- webhooks 8
- availability 7
- backup 7
- breach 7
- credential-compromise 7
- data-center 7
- data-exposure 7
- disaster-recovery 7
- git 7
- latency 7
- memory-leak 7
- mongodb 7
- observability 7
- phishing 7
- scaling 7
- ssl 7
- supply-chain 7
- ai 6
- autoscaling 6
- cassandra 6
- certificates 6
- data-breach 6
- docker 6
- dynamodb 6
- email 6
- kernel 6
- oauth 6
- search 6
- terraform 6
- workflows 6
- zookeeper 6
- b2b 5
- connection-pool 5
- cve 5
- dashboard 5
- database-migration 5
- fintech 5
- github-copilot 5
- google-cloud 5
- integer-overflow 5
- maintenance 5
- malware 5
- memory 5
- mobile 5
- no-traction 5
- pages 5
- registry 5
- solo-founder 5
- upgrade 5
- vulnerability 5
- waf 5
- 1.1.1.1 4
- aerospace 4
- ai-agent 4
- capacity-planning 4
- certificate-expiry 4
- chaos-engineering 4
- configuration-error 4
- container-registry 4
- cryptocurrency 4
- deadlock 4
- deployments 4
- developer-tools 4
- distributed-systems 4
- dnssec 4
- elb 4
- generator 4
- grafana-cloud 4
- hardware-failure 4
- health-check 4
- high-availability 4
- identity 4
- incident-review 4
- job-queue 4
- lambda 4
- misconfiguration 4
- okta 4
- oom 4
- power-outage 4
- rabbitmq 4
- redis-cloud 4
- regional-outage 4
- resilience 4
- resolver 4
- route-leak 4
- service-discovery 4
- social-engineering 4
- status-page 4
- time 4
- unauthorized-access 4
- vitess 4
- access-control 3
- acquihire 3
- availability-zones 3
- billing 3
- blackout 3
- cilium 3
- cloudflare 3
- cofounders 3
- connectivity 3
- consul 3
- cooling-failure 3
- couchdb 3
- crates.io 3
- credential-theft 3
- data-corruption 3
- data-integrity 3
- data-recovery 3
- ddos-mitigation 3
- dependency 3
- dynos 3
- etcd 3
- feature-flag 3
- fileserver 3
- filesystem 3
- fundraising 3
- garbage-collection 3
- growth 3
- haproxy 3
- health-checks 3
- heroku 3
- incident-management 3
- leap-second 3
- linux 3
- logistics 3
- macos 3
- media 3
- open-source 3
- orchestration 3
- packet-loss 3
- payments 3
- pgbouncer 3
- private-networking 3
- product-shutdown 3
- quota 3
- recruiting 3
- release-bug 3
- reliability 3
- retry-storm 3
- rpki 3
- ruby 3
- secrets 3
- side-project 3
- sms 3
- social 3
- streaming 3
- telecom 3
- throttling 3
- trading 3
- two-factor-authentication 3
- ui 3
- upstream-provider 3
- workers-kv 3
- access 2
- add-ons 2
- ai-safety 2
- api-gateway 2
- apm 2
- auto-scaling 2
- automation 2
- autovacuum 2
- availability-report 2
- azure-devops 2
- backups 2
- botnet 2
- breaking-change 2
- brokerage 2
- build-images 2
- build-queue 2
- calendar 2
- canary 2
- certificate 2
- ci 2
- cloud-provider 2
- cluster-creation 2
- communication 2
- competition 2
- configuration-management 2
- congestion 2
- connection-pooling 2
- containers 2
- corrosion 2
- cortex 2
- cpu-exhaustion 2
- crash 2
- credential-leak 2
- credential-rotation 2
- data-deletion 2
- data-leak 2
- database-upgrade 2
- dependabot 2
- deploy 2
- deprecation 2
- direct-connect 2
- disk-space 2
- downtime 2
- drbd 2
- ecs 2
- edge-cache 2
- edge-network 2
- embedded 2
- envoy 2
- europe 2
- event-processing 2
- firefox 2
- firewall 2
- game-servers 2
- gce 2
- github-issues 2
- gke 2
- gmail 2
- historical 2
- hosting-provider 2
- hr-tech 2
- iam 2
- incident-timeline 2
- ingest 2
- iptables 2
- ipv6 2
- javascript 2
- jpl 2
- jvm 2
- kibana 2
- kinesis 2
- league-of-legends 2
- lessons-learned 2
- lock-contention 2
- login 2
- lua 2
- memcached 2
- messaging 2
- mfa 2
- middleware 2
- multi-region 2
- near-miss 2
- network-partition 2
- nextjs 2
- nginx 2
- no-launch 2
- nomad 2
- object-storage 2
- on-call 2
- output-service 2
- pagerduty 2
- permissions 2
- persistence 2
- postmortem-process 2
- power-grid 2
- private-spaces 2
- prometheus 2
- pubsub 2
- query-performance 2
- query-planner 2
- queueing 2
- r2 2
- rails 2
- react 2
- real-time 2
- real-time-systems 2
- recall 2
- regex 2
- region-failure 2
- regulatory 2
- remote-code-execution 2
- remote-team 2
- retries 2
- route53 2
- rust 2
- saltstack 2
- schema-migration 2
- secret-rotation 2
- seed-funding 2
- serverless 2
- sharding 2
- sign-in 2
- small-team 2
- smtp 2
- social-media 2
- social-network 2
- storage-engine 2
- systemd 2
- task-queue 2
- third-party-impact 2
- third-party-vendor 2
- thundering-herd 2
- tokyo 2
- uploads 2
- varnish 2
- vault 2
- venture-capital 2
- video 2
- virtual-machines 2
- vm-provisioning 2
- voice 2
- vpc 2
- websocket 2
- windows 2
- worker-memory 2
- xid-wraparound 2
- 500-startups 1
- abuse 1
- abuse-detection 1
- abuse-remediation 1
- access-management 1
- account-lockout 1
- account-takeover 1
- acl 1
- acme 1
- ad-network 1
- ad-serving 1
- advertising 1
- akamai 1
- alert-fatigue 1
- algorithmic-trading 1
- allow-list 1
- android 1
- anonymity 1
- anonymous-app 1
- anti-fraud 1
- ap-northeast-1 1
- api-downtime 1
- apollo 1
- app-engine 1
- apt 1
- architecture 1
- archival 1
- arpanet 1
- artifacts 1
- asia-southeast 1
- async 1
- async-jobs 1
- asyncio 1
- atlassian 1
- audit-tool 1
- australia 1
- auth-tokens 1
- authorization 1
- authy 1
- auto-cancellation 1
- auto-rerun 1
- autoscaler 1
- aviation 1
- aws-region 1
- azure-active-directory 1
- azure-migration 1
- b2 1
- b2c 1
- backbone 1
- backbone-network 1
- background-jobs 1
- backpressure 1
- backup-failure 1
- backup-restore 1
- beta-users 1
- bgp-hijack 1
- big-data 1
- bigquery 1
- biotech 1
- bit-flip 1
- bitbucket 1
- bitcoin 1
- bittorrent 1
- blockchain 1
- blue-green-deployment 1
- blue-screen 1
- boltdb 1
- bot-management 1
- break-statement 1
- bridge-loop 1
- broadcast-ephemerides 1
- brownout 1
- browser 1
- buffering 1
- bug-bounty 1
- build-pipeline 1
- burn-rate 1
- burnout 1
- byoip 1
- byzantine-fault 1
- cache 1
- cadvisor 1
- calico 1
- cap-table 1
- carrier 1
- catastrophic-backtracking 1
- cbleed 1
- cell-architecture 1
- cellular-architecture 1
- censorship 1
- certificate-expiration 1
- chatbots 1
- chatgpt 1
- chicago 1
- chrome-sync 1
- circuit-breaker 1
- cleanup-service 1
- cli 1
- clickhouse 1
- client-software 1
- cloud 1
- cloud-dependency 1
- cloud-sql 1
- cloud-storage 1
- cloudbleed 1
- cloudwatch 1
- cluster 1
- cluster-autoscaler 1
- cluster-management 1
- cluster-partition 1
- cluster-unavailability 1
- co-founder-split 1
- code-release 1
- code-review 1
- code-search 1
- cofounder 1
- cofounder-conflict 1
- cofounder-issues 1
- cognitive-bias 1
- commit-status 1
- communications 1
- community-handover 1
- compromise 1
- compute 1
- compute-engine 1
- compute-nodes 1
- concurrency 1
- configuration-change 1
- confirmation-bias 1
- confluence 1
- connection-exhaustion 1
- connection-limits 1
- connection-storm 1
- conntrack 1
- console 1
- content-update 1
- contexts 1
- control-panel 1
- convenience-images 1
- coordination-layer 1
- cordoning 1
- coredns 1
- corporate-systems 1
- cors 1
- cosmic-rays 1
- cosmosdb 1
- cost-management 1
- cpu 1
- cpu-soft-lock 1
- crashloop 1
- creator-economy 1
- credential-exposure 1
- crm 1
- cross-tenant-access 1
- crossplane 1
- crowdequity 1
- crypto 1
- cryptocurrency-mining 1
- cryptominer 1
- cryptomining 1
- customer-impact 1
- data-accuracy 1
- data-consistency 1
- data-entry 1
- data-inconsistency 1
- data-migration 1
- data-model 1
- data-pipeline 1
- database-failover 1
- database-locks 1
- database-permissions 1
- database-schema 1
- databricks 1
- datomic 1
- debugging 1
- decentralization 1
- decommissioning 1
- degraded-performance 1
- deletion 1
- deletion-protection 1
- dependencies 1
- dependency-bug 1
- dependency-failure 1
- dependency-upgrade 1
- deployment-pipeline 1
- deployment-queue 1
- deployment-tool 1
- deposits 1
- design-flaw 1
- developer-story 1
- digitalocean 1
- disclosure 1
- disk-full 1
- disk-management 1
- docker-layer-caching 1
- docs 1
- domain-registrar 1
- domains 1
- double-free 1
- downloads 1
- downsampling 1
- drift-detection 1
- drups 1
- e-commerce 1
- ecommerce 1
- edge 1
- edtech 1
- education 1
- elasticache 1
- electrical-storm 1
- elixir 1
- emergency-flip 1
- emergency-services 1
- energy-grid 1
- engineering-ethics 1
- engineering-failure 1
- enterprise-importer 1
- enterprise-sales 1
- environment-variable 1
- environment-variables 1
- equity 1
- erlang 1
- error-handling 1
- escalation 1
- ethereum 1
- eu-region 1
- eu-west 1
- europe-west1 1
- europe-west2 1
- eve-online 1
- events-api 1
- exchange 1
- executors 1
- expiry 1
- exploit 1
- failure-testing 1
- false-positive 1
- farewell 1
- fdiv 1
- feedback-loop 1
- fiber 1
- file-server 1
- filestore 1
- financial 1
- fire 1
- firstenergy 1
- flash-sales 1
- flowspec 1
- fly-io 1
- follow-up 1
- food 1
- food-delivery 1
- forecasting 1
- foreign-key 1
- forensics 1
- formal-verification 1
- fraud 1
- frontend 1
- frontend-bug 1
- futex 1
- gamification 1
- gaming 1
- gateway 1
- gclb 1
- gearman 1
- github-api 1
- github-apps 1
- github-enterprise 1
- github-oauth 1
- github-packages 1
- github-webhooks 1
- glonass 1
- gnss 1
- go 1
- golang 1
- google-apps 1
- google-code-jam 1
- google-meet 1
- google-plus 1
- google-workspace 1
- gossip-protocol 1
- government 1
- government-grant 1
- government-report 1
- gps 1
- graceful-degradation 1
- grant-funded 1
- graphql 1
- grpc 1
- guidance-computer 1
- ha 1
- hadoop 1
- hardware-bug 1
- hash-collision 1
- hashicorp 1
- hdfs 1
- healthcare-gov 1
- healthcheck 1
- healthtech 1
- higher-education 1
- home-cooking 1
- hotfix 1
- hp-3par 1
- hrtimer 1
- http-503 1
- http3 1
- human-factors 1
- hypervisor 1
- iac 1
- iad 1
- id-collision 1
- id-generation 1
- impersonation 1
- incident-communication 1
- incubator 1
- index 1
- index-deletion 1
- indexing 1
- india 1
- infinite-loop 1
- ingestion 1
- insider-threat 1
- installer 1
- integrity-check 1
- internationalization 1
- io-pressure 1
- ios-simulator 1
- ip-exhaustion 1
- iplayer 1
- isp 1
- issues 1
- java 1
- jenkins 1
- jira 1
- jobs 1
- journalism 1
- kazoo 1
- keep-alive 1
- keyboard-input 1
- kong 1
- kube-proxy 1
- kubernetes-not-applicable 1
- lapsus 1
- leap-year 1
- leased-line 1
- legacy-systems 1
- lets-encrypt 1
- lifestyle-business 1
- lightning 1
- linode 1
- live-updates 1
- livestream 1
- load-shedding 1
- load-sheet 1
- lock-service 1
- lockheed-martin 1
- locking 1
- logical-replication 1
- logpush 1
- macaroon 1
- machines-api 1
- magic-transit 1
- mailchimp 1
- maintenance-mode 1
- malicious-package 1
- malware-flagging 1
- manual-deployment 1
- market-fit 1
- marketing 1
- mars 1
- mars-pathfinder 1
- matchmaking 1
- medical-device 1
- memcache 1
- memory-corruption 1
- memory-exhaustion 1
- memory-limits 1
- memory-management 1
- merge-queue 1
- message-queue 1
- messaging-system 1
- metadata-server 1
- metrics-agent 1
- microfrontends 1
- microservices 1
- mimir 1
- mirai 1
- mit 1
- mlag 1
- mobile-app 1
- model-quality 1
- moderation 1
- mongobleed 1
- mongodb-server 1
- monitoring-gap 1
- multi-az 1
- multi-cloud 1
- multi-day 1
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- multi-sig-wallet 1
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- multi-tenant 1
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- music 1
- mvp 1
- nation-state 1
- naval-architecture 1
- nerc 1
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- network-switch 1
- news 1
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- null-pointer-exception 1
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- pacemaker 1
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- panic-handling 1
- parser 1
- password 1
- patch 1
- patching 1
- payment-data 1
- peering 1
- perimeter 1
- persistent-disk 1
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- pii 1
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- privacy 1
- private-attributes 1
- process-failure 1
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- safety 1
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