Thanks,
This clarifies the situation.
Regards,
Juha
On Fri, Sep 3, 2021 at 11:53 AM Till Rohrmann wrote:
> For patch versions the Flink community is very careful not to introduce
> breaking changes. Hence, for patch releases it should be possible to
> upgrade via failover. However, I don't
For patch versions the Flink community is very careful not to introduce
breaking changes. Hence, for patch releases it should be possible to
upgrade via failover. However, I don't think that this is properly guarded
by tests at the moment and also no official guarantee we are giving.
Cheers,
Till
OK, thanks,
I see, this savepointing and creating a new cluster is the documented [1]
way of upgrading Flink version. However, I think at least for some version
upgrades it has been fine to just switch the code to the new version. I
might be wrong.
What about patch versions like 1.13.X? The doc
Hi Juha,
Flink does not give backwards compatibility wrt to its internal data
structures. The recommended way is to stop the jobs with a savepoint and
then resume these jobs on the new Flink cluster. Failing over the processes
with a new version is not guaranteed to work atm. I hope this answers
