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Limits

This guide describes limits of XDN platform as applied to all projects running on it.

Legend

  • 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

ValueLimitDescription
Response body size from static2GbThe maximum size of a response body of XDN static assets.
Response body size from custom origin2GbThe maximum size of a response body from a custom origin.
Response body size from XDN serverless6MbThe maximum size of a response body from XDN serverless.
Path and query string size8KbThe maximum bytes (not characters) that XDN will accept in path and query string.
Cookie size32KbThe maximum bytes that XDN will accept in request or response cookies.
HTTP header size64KbThe maximum bytes that XDN will accept in request or response HTTP headers.
HTTP header count70The maximum number of developer-controlled headers XDN will accept in HTTP request or response. Exceeding this will result in 542 status code.
Scheduling timeout60 secondsThe number of seconds XDN will try to schedule a request processing before timing out. Exceeding this will result in 541 status code.
Worker timeout20 secondsThe number of seconds XDN will wait for project code to process the request before timing out. Exceeding this will result in 539 status code.
Prerender concurrency200
Total number of prerendered requests25,000 per deployment

Access logs

ValueLimitDescription
SizeUnlimitedAll access logs will always be logged.
Time2 hoursThe minimum time that XDN guarantees that access logs will be available for reading.