AI Monitor — Anomaly Report

Period: 2026-07-16 to 2026-07-23 (7 days) • Generated: 2026-07-23 12:44 UTC (2026-07-23 08:44 (America/New_York))

Executive Summary

This week's 20 anomalies represent a concerning spike in AWS infrastructure issues, with Elasticsearch free storage space critically low in 8 instances and Lambda concurrent executions elevated in 6 cases, indicating potential capacity constraints that could impact application performance and availability. Of the 9 high-severity anomalies, most are stable or new issues requiring immediate investigation, particularly around the storage and compute resources which typically have cascading effects on dependent services. We recommend prioritizing remediation of the Elasticsearch storage depletion and Lambda throttling risks within the next 24-48 hours to prevent service degradation.

Summary

MetricValue
Total Anomalies Detected20
High Severity (score ≥ 7)9
Medium Severity (score ≥ 5)7
Low Severity (score < 5)4
Suppressed (maintenance)0
Active Subscriptions22
Silent Subscriptions (email disabled)2
Maintenance Windows Configured1

Trends

TrendSubscriptions
Worsening1
Stable7
New1

Top Anomalous Metrics

MetricCount
AWS/ES/FreeStorageSpace8
AWS/Lambda/ConcurrentExecutions6
AWS/Firehose/DeliveryToS3.Records2
AWS/ApplicationELB/TargetResponseTime2
AIMonitor/Billing/DailySpend1
AWS/Lambda/Throttles1

Anomalies by Day of Week

DayCount
Mon0
Tue3
Wed10
Thu2
Fri5
Sat0
Sun0

Top Dimensions (Resources)

DimensionCount
ClientId=1111111111118
DomainName=logs-logprocessor8
FunctionName=AIMonitor-editor7
Resource=AIMonitor-editor6
NodeId=5qqjVbSVSA6zlf1s5KOXjw4
DeliveryStreamName=logprocessor-delivery-stream2
ServiceName=AmazonDynamoDB1
AccountId=1111111111111
TargetGroup=targetgroup/logprocessor-editor-tg/ae4d5204b39f6d111
LoadBalancer=app/logprocessor-dashboards-alb/5d8c545e3ef056501

Anomalies by Account

AccountCount
11111111111120

Cost Analysis (Daily Spend)

ServiceAccountToday7-day AvgChange
AmazonVPC111111111111$1.44$2.51-43%
AmazonOpenSearchService111111111111$1.41$4.01-65%
AmazonCloudWatch111111111111$1.21$2.82-57%
AWSSupportEssential111111111111$0.41$0.00new
AWSELB111111111111$0.36$0.63-43%
AmazonS3111111111111$0.13$0.27-52%
AWSLambda111111111111$0.09$0.20-56%
awskms111111111111$0.05$0.10-48%
AmazonEC2111111111111$0.05$0.08-41%
AWSMarketplace111111111111$0.02$0.01+100%
AmazonDynamoDB111111111111$0.01$0.02-52%
AWSQueueService111111111111$0.01$0.02-48%
AmazonKinesisFirehose111111111111$0.01$0.02-53%

Maintenance Windows

NameTypeDaysStartDurationAffectedSuppressed
WeeklyScheduledsun05:00 UTC / 01:00 (America/New_York)30mall0

Baseline Training Status

Training reflects how much historical data each subscription has collected. Ready subscriptions score anomalies accurately; Learning subscriptions may have elevated false-positive rates early on.

StatusCount
Ready (scoring)18
Learning (not yet scoring)5
No data (metric not streaming)4
Ready (18)
AIMonitor Billing
ALB p95 response time
EC2 CPUCreditUsage
CloudWatch Firehose Delivery
Monitor successful deliveries to S3 to ensure data is being persisted
Firehose FailedValidation.Bytes
Monitor API call volume from remote account metric stream to detect unusual activity patterns
Firehose delivery lag (delivery backing up)
Lambda concurrency (approaching reserved limit)
Lambda max duration (timeout risk)
Lambda errors (all functions)
Lambda throttles (all functions)
OpenSearch cluster CPU utilization
OpenSearch free storage (running out)
OpenSearch indexing rate (sudden drop = ingestion problem)
OpenSearch JVM memory pressure
SQS message age (processing backlog)
SQS queue depth (backpressure)
Learning (5)
ALB 5xx errors (10/288)
ALB target 5xx (backend errors) (2/288)
Billing EstimatedCharges (6/288)
EC2 CPU utilization (all instances) (2/288)
SNS failed notification deliveries (2/288)
No data (4) — metric has not emitted data, verify Metric Stream filter or disable if not needed
API Gateway 5xx errors
API Gateway p95 latency
API Gateway Count
CloudFront 5xx error rate

AI Monitor System Health

CheckValueStatus
Detector Lambda errors (24h)0OK
Collector Lambda errors (24h)0OK
Firehose Transform errors (24h)0OK
Detector throttles (24h)0OK
Detector invocations (24h)313OK
Billing Processor errors (24h)0OK
Billing Processor invocations (48h)48OK
Discovery Lambda errors (24h)0OK
Discovery Lambda invocations (24h)5OK