Re: Fwd: Replace classes at runtime

[Jayant Ameta <wi...@gmail.com>]

Hi Gordon,
Is there a way to update the job application without any downtime?

Jayant Ameta

On Tue, Dec 19, 2017 at 12:09 AM, Tzu-Li (Gordon) Tai <tz...@apache.org>
wrote:

> Hi Jayant,
>
> Updating your job application / operator code at runtime is currently not
> available in Flink.
> It is however achievable via taking a savepoint of your job, and then
> restoring from the savepoint with your upgraded application.
>
> There's a few points to keep in mind, especially job state compatibility,
> to
> allow smooth upgrades.
> Please take a look at Upgrading Applications here [1] for more details on
> that.
>
> Cheers,
> Gordon
>
> [1]
> https://ci.apache.org/projects/flink/flink-docs-release-1.4/ops/upgrading.
> html#restarting-streaming-applications
>
>
>
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