HTTP

HTTP 206 Partial Content vs 504 Gateway Timeout

HTTP 206 (Partial Content) is a 2xx Success response, while 504 (Gateway Timeout) 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, 504 means that the server, acting as a gateway or proxy, did not receive a timely response from the upstream server.

Description

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.

When You See It

During video streaming, large file downloads, or when resuming interrupted downloads.

How to Fix

No fix needed. This is normal behavior for range requests.

Description

The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.

When You See It

When an upstream server is too slow to respond within the proxy's timeout window.

How to Fix

Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries.

Key Differences

1.

206 is a 2xx Success response, while 504 is a 5xx Server Error response.

2.

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.

3.

HTTP 504: The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.

4.

You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.

5.

You encounter 504 when when an upstream server is too slow to respond within the proxy's timeout window.

When to Use Which

For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 504 (Gateway Timeout): Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries.

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