Hi Nastaran
Thank you for your reply!
I got a concept of the savepoint.
It looks so nice.
Regards,
Yuta
On 2018/12/18 14:41, Nastaran Motavali wrote:
> Hi Yuta,
>
> You can use cancel-with-savepoint to stop you application and save the
> state in a savepoint, then update your jar and restart the application
> from the saved savepoint. Checkpointing is an automatic mechanism to
> recover from runtime failures and savepoints are designed for manual
> restart. See the following:
>
>
https://ci.apache.org/projects/flink/flink-docs-release-1.7/ops/state/savepoints.html>
>
>
> Kind regards,
>
> Nastaran Motavalli
>
>
>
> ------------------------------------------------------------------------
> *From:* Yuta Morisawa <
[hidden email]>
> *Sent:* Tuesday, December 18, 2018 6:30:09 AM
> *To:*
[hidden email]
> *Subject:* How to update Flink applications gracefully
> Hi all
>
> Now I'm trying to update my streaming application.
> But I have no idea how to update it gracefully.
>
> Should I stop it, replace a jar file then restart it?
> In my understanding, in that case, all the state will be recovered if I
> use checkpoints in a persistent storage.
> Is this correct?
>
> Thank you,
>
Locked
