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Databases in productionLevel 6Open topic
Query plan stale statisticsHardOn-call incidentOn-call incidentHard40 minSingle partition throttledHardOn-call incidentAmazon styleOn-call incidentAmazon styleHard45 minMigration holding exclusive lockHardOn-call incidentOn-call incidentHard40 minTransaction ID wraparound approachingHardOn-call incidentOn-call incidentHard45 minData lost in async failoverHardOn-call incidentStripe styleOn-call incidentStripe styleHard45 minInserts fail on month boundaryHardOn-call incidentOn-call incidentHard40 minQuery model embedding mismatchHardOn-call incidentOpenAI styleOn-call incidentOpenAI styleHard35 minNAT connection timeoutHardOn-call incidentOn-call incidentHard40 minPostgres WAL directory fills diskHardOn-call incidentOn-call incidentHard35 minElasticsearch OOM from expensive aggregationHardOn-call incidentOn-call incidentHard40 minConnection pool exhaustion after autoscaleHardOn-call incidentOn-call incidentHard35 minConnection churn from sidecar keepalive misconfigurationHardOn-call incidentOn-call incidentHard40 min
Query plan regression post-loadHardOn-call incidentOn-call incidentHard35 minPlan cache parameter sensitivityHardOn-call incidentMicrosoft styleOn-call incidentMicrosoft styleHard35 minLogical replication apply lag explodesHardOn-call incidentOn-call incidentHard40 minSequence reached maximum valueHardOn-call incidentOn-call incidentHard35 minReplica replay lag growingHardOn-call incidentOn-call incidentHard35 minPrepared statement plan varianceHardOn-call incidentOn-call incidentHard35 minDisk full on primaryHardOn-call incidentOn-call incidentHard40 minDisk full WAL accumulationHardOn-call incidentOn-call incidentHard35 minIndex larger than tableHardOn-call incidentOn-call incidentHard40 min