CloudWatch Service Quotas - Amazon CloudWatch

CloudWatch Service Quotas

CloudWatch has the following quotas for metrics, alarms, API requests, email notifications, and logs.

Resource Default Quota

Actions

5/alarm. This quota cannot be changed.

Alarms

10/month/customer for free. 5000 per Region, per account. You can request a quota increase.

Alarms based on metric math expressions can have up to 10 metrics.

Anomaly detection models

500 per Region, per account.

API requests

1,000,000/month/customer for free.

Contributor Insights API requests

GetInsightRuleReport has a quota of 20 transactions per second (TPS). You can request a quota increase.

The following APIs have a quota of 1 transaction per second. This quota cannot be changed.

Contributor Insights rules

100 rules per account.

You can request a quota increase.

Custom metrics

No quota.

Dashboards

Up to 500 metrics per dashboard widget. Up to 2500 metrics per dashboard, across all widgets.

These quotas include all metrics retrieved for use in metric math functions, even if those metrics are not displayed on the graph.

These quotas cannot be changed.

DescribeAlarms

9 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

You can request a quota increase.

DeleteAlarms request

DescribeAlarmHistory request

DescribeAlarmsForMetric request

DisableAlarmActions request

EnableAlarmActions request

SetAlarmState request

3 transactions per second (TPS) for each of these operations. The maximum number of operation requests you can make per second without being throttled.

These quotas cannot be changed.

DeleteDashboards request

GetDashboard request

ListDashboards request

PutDashboard request

10 transactions per second (TPS) for each of these operations. The maximum number of operation requests you can make per second without being throttled.

These quotas cannot be changed.

PutAnomalyDetector

DescribeAnomalyDetectors

10 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

DeleteAnomalyDetector

5 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

Dimensions

10/metric. This quota cannot be changed.

GetMetricData

50 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled. You can request a quota increase.

180,000 Datapoints Per Second (DPS) if the StartTime used in the API request is less than or equal to three hours from current time. 396,000 DPS if the StartTime is more than three hours from current time. This is the maximum number of datapoints you can request per second using one or more API calls without being throttled. This quota cannot be changed.

GetMetricData

A single GetMetricData call can include as many as 500 MetricDataQuery structures.

This quota cannot be changed.

GetMetricStatistics

400 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

You can request a quota increase.

GetMetricWidgetImage

Up to 500 metrics per image. This quota cannot be changed.

20 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled. This quota cannot be changed.

ListMetrics

25 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

You can request a quota increase.

Metric data

15 months. This quota cannot be changed.

MetricDatum items

20/PutMetricData request. A MetricDatum object can contain a single value or a StatisticSet object representing many values. This quota cannot be changed.

Metrics

10/month/customer for free.

Period

Maximum value is one day (86,400 seconds). This quota cannot be changed.

PutMetricAlarm request

3 transactions per second (TPS). The maximum number of operation requests you can make per second without being throttled.

You can request a quota increase.

PutMetricData request

40 KB for HTTP POST requests. PutMetricData can handle 150 transactions per second (TPS), which is the maximum number of operation requests you can make per second without being throttled.

You can request a quota increase.

Amazon SNS email notifications

1,000/month/customer for free.