Hi, Actually it happens on all versions since we started developement.
We are currently on 1.10.6-gke.1, but it has always been like that. I guess we can see easily in the system logs if kubernetes is being restarted? Thanks Ludovic Le vendredi 7 septembre 2018 13:47:47 UTC+2, Aleksandra Malinowska a écrit : > > Hi, > > What is the Kubernetes master version of the affected cluster? Does this > happen every time when adding a new node, or just for a first node in the > new node pool? > > One reason Kubernetes API server may be temporarily unavailable is if it's > being restarted (this can happen e.g. due to configuration update, > auto-upgrade or resizing). Exact behavior depends on version and cluster > size (number of nodes), so it's hard to pinpoint the reason without this > information. > > Thanks, > Aleksandra > > On Thursday, September 6, 2018 at 5:30:17 PM UTC+2, Ludovic Havet wrote: >> >> Here is more details on the problem. >> >> The idea behind it is to manually manage pods into the not default >> nodepool. >> >> The nodepool is created in autoscaling. It is not the default nodepool >> but an additional one created manually through gcloud api. >> >> When a pod is created in the nodepool and that there is no remaining >> ressource, autoscaling is acting and a new node is being created. >> >> The problem is that the whole cluster hangs and its api is not accessible >> as long as the new node is being created for the nodepool. This means >> during about 1-2 minutes. >> >> It is as if kubernetes was not responding on the api, during one of its >> not default nodepool autoscaling. >> >> This does not happen when autoscaling is happening on the default >> nodepool. >> >> I think it is an issue with GKE. >> >> Any help would be appreciated :) >> >> Thanks! >> >> >> >> -- 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.