Hi Timo.  Sorry for the delay.  I'll message this message the next time I
hit this.  I haven't restarted my job in 12 days.  I'll check the
watermarks the next time I restart.

On Tue, Jan 5, 2021 at 4:47 AM Timo Walther <twal...@apache.org> wrote:

> Hi Dan,
>
> are you sure that your watermarks are still correct during reprocessing?
> As far as I know, idle state retention is not used for temporal joins.
> The watermark indicates when state can be removed in this case.
>
> Maybe you can give us some more details about which kind of temporal
> join you are using (event-time or processing-time?) and checkpoint
> settings?
>
> Regards,
> Timo
>
> On 30.12.20 08:30, Dan Hill wrote:
> > Hi!
> >
> > I have a Flink SQL job that does a few temporal joins and has been
> > running for over a month on regular data.  No issues.  Ran well.
> >
> > I'm trying to re-run the Flink SQL job on the same data set but it's
> > failing to checkpoint and very slow to make progress.  I've modified
> > some of the checkpoint settings.
> >
> > What else do I have to modify?
> >
> > My data size is really small so I'm guessing it's still keeping state
> > for data outside the temporal join time windows.  Do I have to set Idle
> > State Retention Time to forget older data?
> >
> > - Dan
>
>

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