504 Gateway Time-out during POST

[Aleksandar Lazic]

On Son 07.09.2008 21:15, David wrote:
>No, no 502s, but it's still too slow. I'm getting a lot of these isn
>nginx's error-log.
>
>I'm afraid I can't really use the microtime function as these aren't my
>scripts.
>This problem only seems to affect POST functions though I've noticed.
>
>upstream timed out (110: Connection timed out) while reading response
>header from upstream

How about the timing log?
Are this a public scripts or a private scripts?