Increase in 502 errors
Incident Report for NamePros
Disabling PCRE JIT resolved the 502 errors. We'll leave it disabled until we have a better solution.
Posted Feb 09, 2022 - 22:30 UTC
The coredumps indicated an issue in libpcre2's JIT compiler. We've temporarily disabled the JIT compiler to ensure that's the issue.
Posted Feb 09, 2022 - 22:19 UTC
Disabling Swoole didn't resolve the issue. We've obtained coredumps from the segfaults and are examining them.
Posted Feb 09, 2022 - 21:17 UTC
Disabling the JIT compiler didn't resolve the issue. We've now disabled Swoole.
Posted Feb 09, 2022 - 21:09 UTC
We're disable PHP 8.1's JIT compiler to rule out as a potential cause.
Posted Feb 09, 2022 - 20:26 UTC
The cause of the 502 errors appears to be frequent segfaults within PHP-FPM. We're continuing to investigate.
Posted Feb 09, 2022 - 20:15 UTC
We've received reports of sporadic 502 Bad Gateway errors. The error will typically manifest as a blue page with the text, "CDN Error (5XX)​ Bad Gateway." Preliminary investigation indicates that this error is rare. It's safe to ignore this error if you receive it. We'll continue investigating.
Posted Feb 09, 2022 - 16:37 UTC
This incident affected: Forums, Blog and Server infrastructure (Backend servers).