Issue with Apache Workers and Cloudflare

I am running an Apache Server with this config: 64GB RAM, 4x480GB SSD, Dual 12 cores @ 2.1 GHz Apache settings keepalivetimeout: 5 loglevel: warn maxclients: 2000 serverlimit: 2000 maxkeepaliverequests: 100 maxrequestsperchild: 10000 maxspareservers: 20 minspareservers: 5 startservers: 5 The server keeps crashing intermittently, yet server load will be low (less than 3). I found…

How to tell why Kubernetes liveness probe gets HTTP 503 while logs show 200 OK?

I’ve deployed a pod with Apache httpd (official image, tag 2.4.41), serving HTTP/2.0 plaintext on port 8082, and it’s working “fine”, but I see restarts every few hours (kubectl get pod/mypod, showing 60 restarts in 5 days). The logs always show “caught SIGWINCH, shutting down gracefully” (-p, for previous pod): $ kubectl logs -c httpdcontainer…