Limits

Edgio sets limits on requests, responses, and access logs.

Units #

Data storage units are defined below.

• Kb stands for kilobytes and means 1,024 bytes (2^10 bytes)
• Mb stands for megabytes and means 1,024 kilobytes (2^20 bytes)
• Gb stands for gigabytes and means 1,024 megabytes (2^30 bytes)

Request and Response Limits #

Edgio requires that all requests and responses meet the following requirements:

Type	Limit	Description
Response time from origin server	60 seconds	The maximum number of seconds that Edgio will wait for a response from an origin server (e.g., your web server). The response for a request that exceeds this limit is a 536 Project HTTP Response Timeout.
Response body size from static	2Gb	The maximum size of a response body of Edgio static assets.
Response body size from custom origin	2Gb	The maximum size of a response body from a custom origin.
Response body size from Edgio serverless	6Mb	The maximum size of a response body from Edgio serverless.
Path and query string size	8Kb	The maximum bytes (not characters) that Edgio will accept in path and query string.
Cookie size	32Kb	The maximum bytes that Edgio will accept in request or response cookies.
HTTP header size	64Kb	The maximum bytes that Edgio will accept in request or response HTTP headers.
HTTP header count	70	The maximum number of developer-controlled headers Edgio will accept in HTTP request or response. Exceeding this will result in 542 status code.
Scheduling timeout	60 seconds	The number of seconds Edgio will try to schedule a request processing before timing out. Exceeding this will result in 541 status code.
Worker timeout	20 seconds	The number of seconds Edgio will wait for project code to process the request before timing out. Exceeding this will result in 539 status code.
Prerender concurrency	200
Total number of prerendered requests	25,000 per deployment
Maximum number of nested requests	3	“Nested” means an Edgio site is the upstream of itself or of another Edgio site. Exceeding this will result in 538 status code.

Reserved Headers #

The following headers are served for use by Edgio. You may not modify these request headers.

• x-0-platform
• x-0-version
• x-0-t
• x-0-components
• x-0-status
• host
• x-request-id
• content-length
• via

Access Logs #

Value	Limit	Description
Size	Unlimited	All access logs will always be logged.
Time	2 hours	The minimum time that Edgio guarantees that access logs will be available for reading.