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Databases in productionLevel 6Open topic
Cart items disappear on reloadMediumOn-call incidentShopify styleOn-call incidentShopify styleMedium30 minSingle query latency spikeMediumOn-call incidentOn-call incidentMedium30 minLambda spike connection rejectedMediumOn-call incidentAmazon styleOn-call incidentAmazon styleMedium30 minCheckout latency spikes after deployMediumOn-call incidentOn-call incidentMedium30 minIndex migration stalls read replicasMediumOn-call incidentOn-call incidentMedium35 minN+1 queries after eager-load removalMediumOn-call incidentShopify styleOn-call incidentShopify styleMedium30 minConnection pool exhaustion from upstream slownessMediumOn-call incidentOn-call incidentMedium35 minIdle transaction locks after deployMediumOn-call incidentStripe styleOn-call incidentStripe styleMedium30 minReplica lag stale readsMediumOn-call incidentOn-call incidentMedium30 minSlowloris connection-exhaustion attackMediumOn-call incidentOn-call incidentMedium35 minConsumer crash-loops on malformed messageMediumOn-call incidentOn-call incidentMedium30 minWrites disappear on replica read-after-writeMediumOn-call incidentOn-call incidentMedium30 min
N+1 query explosion after deployMediumOn-call incidentOn-call incidentMedium25 minCache stampede at TTL boundaryMediumOn-call incidentOn-call incidentMedium30 minConnection pool exhaustedMediumOn-call incidentOn-call incidentMedium30 minSchema Registry unavailability crash loopMediumOn-call incidentOn-call incidentMedium35 minN+1 queries activity feedMediumOn-call incidentOn-call incidentMedium30 minDashboard query plan regressionMediumOn-call incidentOn-call incidentMedium30 minConnection reuse regressionMediumOn-call incidentOn-call incidentMedium35 minConnection pool cold startMediumOn-call incidentOn-call incidentMedium35 minPool size config bottleneckMediumOn-call incidentOn-call incidentMedium35 minHTTP client connection pooling disabledMediumOn-call incidentOn-call incidentMedium35 minConnection pool pinned at maxMediumOn-call incidentOn-call incidentMedium30 minConnection pool saturation under loadMediumOn-call incidentOn-call incidentMedium25 minCold pod connection stormsMediumOn-call incidentOn-call incidentMedium25 minDatabase connection refusedMediumOn-call incidentOn-call incidentMedium20 minDatabase connection pool exhaustedMediumOn-call incidentOn-call incidentMedium20 minConnection pool holds idleMediumOn-call incidentOn-call incidentMedium35 minReplica replay lag climbingMediumOn-call incidentOn-call incidentMedium35 minDatabase connection pool exhaustionMediumOn-call incidentOn-call incidentMedium35 minWAL directory filling diskMediumOn-call incidentOn-call incidentMedium35 minSessions table queries slow downMediumOn-call incidentOn-call incidentMedium40 minSequential scan on large tenantMediumOn-call incidentOn-call incidentMedium35 minCache stampede at hourly expiryMediumOn-call incidentOn-call incidentMedium35 minN+1 queries after ORM changeMediumOn-call incidentOn-call incidentMedium35 minResponse schema breakMediumOn-call incidentStripe styleOn-call incidentStripe styleMedium30 minIdle connection resetsMediumOn-call incidentOn-call incidentMedium30 minConnections reset during rolling deployMediumOn-call incidentOn-call incidentMedium30 minMissing index on growing tableMediumOn-call incidentShopify styleOn-call incidentShopify styleMedium30 minConnection charset mojibake corruptionMediumOn-call incidentOn-call incidentMedium30 minBackfill join logic billing errorMediumOn-call incidentStripe styleOn-call incidentStripe styleMedium35 minPostgres replica CPU spike from unoptimized queryMediumOn-call incidentOn-call incidentMedium30 minCharges p99 latency spikesMediumOn-call incidentStripe styleOn-call incidentStripe styleMedium30 minPrepared statement errors in pgBouncerMediumOn-call incidentOn-call incidentMedium30 minDatabase connections idle in transactionMediumOn-call incidentOn-call incidentMedium30 minSearch timeout with type mismatchMediumOn-call incidentOn-call incidentMedium30 min