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. > > > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows > > > > > > This email and any attachments are proprietary and confidential and are > intended solely for the use of the individual to whom it is addressed. Any > views or opinions expressed are solely those of the author and do not > necessarily reflect or represent those of SwitchDin Pty Ltd. If you have > received this email in error, please let us know immediately by reply email > and delete it from your system. You may not use, disseminate, distribute or > copy this message nor disclose its contents to anyone. > > SwitchDin Pty Ltd (ABN 29 154893857) PO Box 1165, Newcastle NSW 2300 > Australia > > > > > > This email and any attachments are proprietary and confidential and are > intended solely for the use of the individual to whom it is addressed. Any > views or opinions expressed are solely those of the author and do not > necessarily reflect or represent those of SwitchDin Pty Ltd. If you have > received this email in error, please let us know immediately by reply email > and delete it from your system. You may not use, disseminate, distribute or > copy this message nor disclose its contents to anyone. > > SwitchDin Pty Ltd (ABN 29 154893857) PO Box 1165, Newcastle NSW 2300 > Australia > > >
