How do I fix a 504 error?

Common fixes include: Increase the timeout settings in Nginx/Apache/PHP.. Optimize slow database queries.. Ensure the upstream server has enough resources.

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504

504 Gateway Timeout

Name: Statzly
Rating: 4.8 (120 reviews)
Author: Statzly

The server, acting as a gateway, did not receive a timely response from an upstream server.

What it means

The gateway server waited too long for the upstream server to reply.

Why it happens

The upstream server is processing a very slow request (e.g., large import).
Database query is hanging.
Network connectivity issues between servers.

How to fix it

Step 1

Increase the timeout settings in Nginx/Apache/PHP.

Step 2

Optimize slow database queries.

Step 3

Ensure the upstream server has enough resources.

Monitor 504 Errors

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