Thanks for the reply. Yes I get that the operator helps out in upgrades
also . But when the operator works with flink k8s native clusters, it can
help with savepoints and helps in creating a new upgraded cluster, but the
existing cluster is not generally upgraded due to the design as how
clusters are created.

Is my understanding correct?

Regards
Ram

On Fri, Mar 3, 2023 at 9:49 PM Thomas Weise <t...@apache.org> wrote:

> Hi,
>
> The Flink k8s native integration does not handle upgrades. That's what
> flink-kubernates-operator was built for. Please check out:
>
> https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-main/
>
> Thanks,
> Thomas
>
>
> On Fri, Mar 3, 2023 at 2:02 AM ramkrishna vasudevan <
> ramvasu.fl...@gmail.com>
> wrote:
>
> > Hi All,
> >
> > The native implementation of the App mode and session mode - does not
> have
> > any replica set .
> > Instead it just allows the JM to create TM pods on demand.
> >
> > This is simple and easy in terms of creation of resources, but for an
> > upgrade story, how is this managed? Leaving K8s to manage a replica set
> > based upgrade might be easier right?
> >
> > Just wanted to understand how upgrades are handled in native K8s mode.
> >
> > Regards
> > Ram
> >
>

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