with <= 120 nodes there is no issue, once it reaches to node 121 then I got an error: /var/log/upstart/kube-apiserver.log
I1129 06:35:40.163511 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:41.163668 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:42.163800 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:43.163919 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s W1129 06:35:43.912814 7655 storage_extensions.go:83] third party resource sync failed: client: etcd cluster is unavailable or misconfigured I1129 06:35:44.164048 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:45.164165 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:46.164277 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:47.164399 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:48.164524 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s I1129 06:35:49.164664 7655 logs.go:41] http: Accept error: accept tcp [::]:8080: accept4: too many open files; retrying in 1s -------------------------------------------------------- root@ovrhxxxx:/var/log/upstart$ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 772117 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 100000 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 772117 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited root@ovrhxxxx:/var/log/upstart$ -- You received this message because you are subscribed to the Google Groups "Kubernetes user discussion and Q&A" group. To unsubscribe from this group and stop receiving emails from it, send an email to kubernetes-users+unsubscr...@googlegroups.com. To post to this group, send email to kubernetes-users@googlegroups.com. Visit this group at https://groups.google.com/group/kubernetes-users. For more options, visit https://groups.google.com/d/optout.