HTTP 206 Partial Content vs 503 Service Unavailable
HTTP 206 (Partial Content) is a 2xx Success response, while 503 (Service Unavailable) is a 5xx Server Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 503 means that the server is temporarily unable to handle the request due to maintenance or overload. Should include a Retry-After header.
Descrição
The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
Quando você o vê
During video streaming, large file downloads, or when resuming interrupted downloads.
Como corrigir
No fix needed. This is normal behavior for range requests.
Descrição
The server is temporarily unable to handle the request due to maintenance or overload. Should include a Retry-After header.
Quando você o vê
During maintenance windows, server overload, or when the application pool is exhausted.
Como corrigir
Wait and retry. Check the Retry-After header. Scale up servers if it's a capacity issue.
Diferenças principais
206 is a 2xx Success response, while 503 is a 5xx Server Error response.
HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
HTTP 503: The server is temporarily unable to handle the request due to maintenance or overload. Should include a Retry-After header.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 503 when during maintenance windows, server overload, or when the application pool is exhausted.
Quando usar qual
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 503 (Service Unavailable): Wait and retry. Check the Retry-After header. Scale up servers if it's a capacity issue.