Why are obviously not evenly distributed? How are pods asgined to nodes? And also, how do you noticed, exactly, that they are not "evenly distributed"?
On Friday, April 13, 2018, <cristian.coch...@gmail.com> wrote: > > I have a ClusterIP service in my cluster with 4 pods behind it. I noticed > that requests to the service are not evenly distributed among pods. After > further reading I learned that the kube-proxy pod is responsible for > setting up the iptables rules that forward requests to the pods. After > logging into the kube-proxy pod and listing the nat table rules, this is > what I got: > > Chain KUBE-SVC-4F4JXO37LX4IKRUC (1 references) > target prot opt source destination > KUBE-SEP-6X4IVU3LDAAZJUPD all -- 0.0.0.0/0 0.0.0.0/0 > /* default/btm-calculator: */ statistic mode random probability > 0.25000000000 > KUBE-SEP-TXRPWWIIUWW3MNFH all -- 0.0.0.0/0 0.0.0.0/0 > /* default/btm-calculator: */ statistic mode random probability > 0.33332999982 > KUBE-SEP-HW6SF2LJM4S7X5ZN all -- 0.0.0.0/0 0.0.0.0/0 > /* default/btm-calculator: */ statistic mode random probability > 0.50000000000 > KUBE-SEP-TTJKD52QZSH2OH4O all -- 0.0.0.0/0 0.0.0.0/0 > /* default/btm-calculator: */ > > The comments seem to suggest that the load is balanced according to the > static mode random probability with an uneven probability distribution. Is > this how it's supposed to work? Every piece of documentation that I read > about load balancing by a ClusterIP service indicates that it should be > round robin. Obviously this is not the case here. > Is there a way to set a ClusterIP to perform round robin load balancing? > > Thank you, > Cristian > > -- > 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. > -- 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.
