Hi Ian,

What is the problem that you're trying to solve?

Best regards,

Martijn Visser
https://twitter.com/MartijnVisser82
https://github.com/MartijnVisser


On Tue, 26 Apr 2022 at 02:41, lan tran <indigoblue7...@gmail.com> wrote:

> Ok, thanks for the clarification.
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows
>
>
>
> *From: *Francis Conroy <francis.con...@switchdin.com>
> *Sent: *Tuesday, April 26, 2022 7:26 AM
> *To: *lan tran <indigoblue7...@gmail.com>
> *Cc: *user@flink.apache.org
> *Subject: *Re: UUID on TableAPI
>
>
>
> Hi Quynh,
>
>
>
> My understanding is mostly based on the documentation I linked in the
> first reply. If the flink version and the query both remain the same then
> you can restart a job from a savepoint, this means that it might be
> workable for running a low-criticality job on say an AWS spot instance.
> That's about all I know.
>
>
>
> On Tue, 26 Apr 2022 at 10:17, lan tran <indigoblue7...@gmail.com> wrote:
>
> Hi Francis,
>
> Thanks for the reply. However, can you elaborate more on the part ‘work
> for cases where you wish to pause/resume a job’ ? Is there another way
> besides savepoint having this mechanism that can implement in Table API ?
>
> Best,
> Quynh
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows
>
>
>
> *From: *Francis Conroy <francis.con...@switchdin.com>
> *Sent: *Tuesday, April 26, 2022 7:07 AM
> *To: *lan tran <indigoblue7...@gmail.com>
> *Cc: *user@flink.apache.org
> *Subject: *Re: UUID on TableAPI
>
>
>
> Hi  Quynh,
>
>
>
> Set the savepoint UUID? Is that what you mean? The savepoint UUIDs are
> issued dynamically when you request them, flink won't know automatically
> what the last savepoint was, but you can start a new job and restore from a
> savepoint by passing in the UUID. All that said there are limitations
> around using savepoints and Flink SQL because of the way the planner works
> https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/dev/table/concepts/overview/#stateful-upgrades-and-evolution.
> However it might work for cases where you wish to pause/resume a job.
>
>
>
> On Fri, 22 Apr 2022 at 13:54, lan tran <indigoblue7...@gmail.com> wrote:
>
> Hi team,
> Currently, I want to use savepoints in Flink. However, one of the things
> that I concern is that is there any way we can set the UUID while using
> Table API (SQL API) ? If not, does it has any mechanism to know that when
> we start the Flink again, it will know that it was that UUID ?
>
> Best,
> Quynh.
>
>
>
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