Quotas and limits

This page provides details on the limits that apply to using Stackdriver Logging.

Logging usage limits

Category	Maximum value
Size of a log entry	256 KB^*
Size of an entries.write request	10 MB^*
Number of entries.write API calls	1000 per second, per project
Number of entries.list API calls	1 per second, per project
Number of projects or other resource names in a single entries.list API call	100
Export sinks	200 per project
Exclusion queries	50 per project

^* This approximate limit is based on internal data sizes, not the actual REST API request size.

Category	Maximum value
Length of label value	1,024 bytes
Length of label description	800 bytes
Length of metric description	8,000 bytes
Active time series¹ per metric	30,000
Metric descriptors per project	500
Histogram buckets per custom distribution metric	200

¹A time series is active if you have written data points to it within the last 24 hours.

Category	Maximum value
API usage	To view your quotas, go to the API dashboard. Click an API and select Quotas.
Lifetime of API page tokens	24 hours

You can request higher Stackdriver Logging API limits using the Google Cloud Console:

In the Quotas page, use the checkboxes to select Stackdriver Logging API, then click EDIT QUOTAS.

Billing must be enabled on the project in order to click the checkboxes.
In the Edit Quotas panel, complete the form with your Name, Email , and Phone details, then click Next.
In the Edit Quotas panel, select the service to expand the view, then edit the quotas in that service to your requested limit. Click Done.
Click Submit request.

You can also contact Google Cloud Support to request more Logging API quota. The other limits are fixed and as detailed on this page.

For more information, go to Working with quotas.

Log type	Retention period
Admin Activity audit logs	400 days
Data Access audit logs	30 days
System Event audit logs	400 days
Access Transparency logs	400 days
Logs other than audit logs or Access Transparency logs	30 days