Stackdriver Monitoring imposes the following limits by default. Contact us if you require more capacity.
- Your custom metrics can have up to 100,000 active time series per project.*
- You can have up to 500 custom metric descriptors per project.
*A time series is active if you have written data points to it within the last 24 hours.
Allotments or overage charges for custom metrics described by Stackdriver pricing tiers do not increase the limits listed above.
Stackdriver Monitoring API quotas and limits
See the API dashboard for your current API activity. Click on an API and select Quotas to see your quota.
Page tokens returned by the Stackdriver Monitoring API are valid for 24 hours.
Time series data points are kept for 6 weeks and then deleted.