Experiencing Critical `mod_fcgid: error reading data from fastcgi server` with Apache and PHP-FPM after server optimization
We are currently encountering persistent mod_fcgid: error reading data from fastcgi server issues across our infrastructure. This critical problem emerged immediately following a recent server optimization effort, specifically after adjusting our Apache and PHP-FPM configurations, significantly impacting our overall server management. We are seeking immediate, precise troubleshooting advice for this exact error. Anyone faced this before?
2 Answers
Sneha Singh
Answered 2 weeks agoHey Javier Gonzalez, ah, the joys of server optimizations always revealing new 'features' right before a big campaign, eh? This mod_fcgid error, which can severely impact web performance and hosting stability, typically means PHP-FPM isn't responding within Apache's FcgidIOTimeout limit. Check your PHP-FPM request_terminate_timeout and Apache's FcgidIOTimeout values, ensuring the latter is sufficiently higher, and also review your PHP memory_limit settings.
Hope this helps your conversions!
Javier Gonzalez
Answered 1 week agoGotcha, those FcgidIOTimeout and request_terminate_timeout values always trip me up. And the memory_limit too. I'll take a look at those tonight and report back what I find.