1) It is compiled with Java 8 but runs on Java 8 & 11.
2) Docker images are not yet published.
3) It is mentioned at the top of the Kubernetes HA Services documentation that it also works for the native Kubernetes integration.

   /Kubernetes high availability services can only be used when
   deploying to Kubernetes. Consequently, they can be configured when
   using //standalone Flink on Kubernetes
   
<https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/resource-providers/standalone/kubernetes.html>//or
   the //native Kubernetes integration
   
<https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/resource-providers/native_kubernetes.html>
   /

From what I understand you only need to configure the 3 listed options; the documentation also contains an example configuration <https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/ha/kubernetes_ha.html#example-configuration>.

On 12/14/2020 4:52 AM, Boris Lublinsky wrote:
It is great that Flink 1.12 is out. Several questions:

1. Is official Flink 1.12 distribution https://flink.apache.org/downloads.html specifies Scala versions, but not Java versions. Is it Java 8? 2. I do not see any 1.12 docker images here https://hub.docker.com/_/flink. Are they somewhere else? 3 Flink 1.12 introduces Kubernetes HA support https://ci.apache.org/projects/flink/flink-docs-stable/deployment/ha/kubernetes_ha.html, but Flink native Kubernetes support https://ci.apache.org/projects/flink/flink-docs-release-1.12/deployment/resource-providers/native_kubernetes.html has no mentioning of HA. Are the 2 integrated? DO you have any examples of starting HA cluster using Flink native Kubernetes?


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