Quotas and Limits

Stackdriver Monitoring imposes the following limits by default. Contact us if you require more capacity.

Custom metrics

Category Maximum value
Active time series1 100,0002
Custom metric descriptors per project 5002
Histogram buckets per custom distribution metric 200

1 A time series is active if you have written data points to it within the last 24 hours. The number of active time series is recorded in the metric monitoring.googleapis.com/monitoring/stats/num_time_series.
2 The maximum value is for a project's combined logs-based metrics in Stackdriver Logging and custom metrics in Stackdriver Monitoring.

Stackdriver Monitoring API quotas and limits

Category Maximum value
Limits to API usage See the API dashboard. Click an API and select Quotas to see your quota.
Lifetime of API page tokens 24 hours

Data retention

Metric data points older than the retention period are deleted from time series.

Category Value
Retention of metric data points 6 weeks
Lifetime of API page tokens 24 hours

Stackdriver account limits

A Stackdriver account can contain up to 100 GCP projects. See Using Stackdriver accounts for more information.

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