transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter this: ♻ Restarted unmanaged pod kube-system/event-exporter-gke-564fb97f9- rv8hg ♻ Restarted unmanaged pod kube-system/kube-dns-6465f78586-hlcrz ♻ Restarted unmanaged pod kube-system/kube-dns-autoscaler- Restarted unmanaged pod kube-system/l7-default-backend-7fd66b8b88- qqhh5 ♻ Restarted unmanaged pod kube-system/metrics-server-v0.3.6- 7b5cdbcbb8-kjl65 ♻ Restarted unmanaged pod kube-system/stackdr

transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter paths include with and without service load- balancing and various network policy combinations. The pod name indicates the connectivity variant and the readiness and liveness gate indicates success or failure 65s pod-to-a-79546bc469-rl2qq 1/1 Running 0 66s pod-to-a-allowed-cnp-58b7f7fb8f-lkq7p 1/1 Running 0 66s pod-to-a-de

transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter paths include with and without service load- balancing and various network policy combinations. The pod name indicates the connectivity variant and the readiness and liveness gate indicates success or failure 67s pod-to-a-allowed-cnp-87b5895c8-bfw4x 1/1 Running 0 68s pod-to-a-b76ddb6b4-2v4kb 1/1 Running 0 68s pod-to-a-denie

transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter paths include with and without service load- balancing and various network policy combinations. The pod name indicates the connectivity variant and the readiness and liveness gate indicates success or failure 4m50s pod-to-a-59b5fcb7f6-gq4hd 1/1 Running 0 4m50s pod-to-a-allowed-cnp-55f885bf8b-5lxzz 1/1 Running 0 4m50s pod-to-a-ext

transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter this: ♻ Restarted unmanaged pod kube-system/event-exporter-gke-564fb97f9- rv8hg ♻ Restarted unmanaged pod kube-system/kube-dns-6465f78586-hlcrz ♻ Restarted unmanaged pod kube-system/kube-dns-autoscaler- Restarted unmanaged pod kube-system/l7-default-backend-7fd66b8b88- qqhh5 ♻ Restarted unmanaged pod kube-system/metrics-server-v0.3.6- 7b5cdbcbb8-kjl65 ♻ Restarted unmanaged pod kube-system/stackdr

transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container identity (in contrast to IP address identification in traditional systems) and can filter for the TLS certificates between etcd peers to work correctly, a DNS reverse lookup on a pod IP must map back to pod name. If you are using CoreDNS, check the CoreDNS ConfigMap and validate that in-addr.arpa listed as wildcards next to cluster.local. You can validate this by looking up a pod IP with the host utility from any pod: host 10.60.20.86 86.20.60.10.in-addr.arpa domain name pointer cilium-etcd- 972nprv9dp

Kubernetes Endpoint Lifecycle Troubleshoo�ng Monitoring & Metrics Exported Metrics Cilium as a Kubernetes pod Cilium as a host-agent on a node Troubleshoo�ng Component & Cluster Health Connec�vity Problems Policy transparently insert security visibility + enforcement, but does so in a way that is based on service / pod / container iden�ty (in contrast to IP address iden�fica�on in tradi�onal systems) and can filter on The DaemonSet will automa�cally install itself as Kubernetes CNI plugin. K8s 1.15 K8s 1.14 K8s 1.13 K8s 1.12 K8s 1.11 K8s 1.10 kubectl create -f https://raw.githubusercontent.com/cilium/cilium/v1

YARN [https://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/YARN.html], Kubernetes (K8s) [https://kubernetes.io/] to create the Spark application; 2) a user account can only access data and Dockerfile │ ├── helm │ ├── kyuubi-configmap.yaml │ ├── kyuubi-deployment.yaml │ ├── kyuubi-pod.yaml │ └── kyuubi-service.yaml ├── externals │ └── engines ├── jars ├── licenses ├── logs ├── pid Running 0 30m kyuubi-server-32sdsa1245-2d2sj 1/1 Running 0 30m then, use pod name to get logs: kubectl -n ${namespace_name} logs kyuubi-server-585d8944c5-m7j5s Getting Started

kubectl get pod -n kyuubi Find Kyuubi pods: NAME READY STATUS RESTARTS AGE kyuubi-0 1/1 Running 0 38m kyuubi-1 1/1 Running 0 38m Then, use pod name to retrieve connection.url.use.hostname true (deprecated) When true, the engine registers w When Spark runs on K8s with cluster mode, s server can connect to engine kyuubi.engine.deregister.exception.classes A comma-separated Python lang kyuubi.engine.submit.timeout PT30S Period to tolerant Driver Pod ephemerally inv some Resource Managers, e.g. K8s, the Drive immediately after spark-submit is returned. kyuubi.engine.trino

Dockerfile │ ├── helm │ ├── kyuubi-configmap.yaml │ ├── kyuubi-deployment.yaml │ ├── kyuubi-pod.yaml │ └── kyuubi-service.yaml ├── externals │ └── engines ├── jars ├── licenses ├── logs ├── pid --create- namespace -f myvalues.yaml Access logs List all pods in the release namespace: kubectl get pod -n kyuubi Find Kyuubi pods: NAME READY STATUS RESTARTS AGE kyuubi-5b6d496c98-kbhws Running 0 38m kyuubi-5b6d496c98-lqldk 1/1 Running 0 38m Then, use pod name to get logs: kubectl logs kyuubi-5b6d496c98-kbhws -n kyuubi Getting Started with Hive JDBC