Ok. Thanks a lot of the clarification. That was my initial understanding
but then was confused by the "losing in-flight events" wording.
On Wed, Feb 21, 2018 at 10:26 AM, Till Rohrmann
wrote:
> Hi Christophe,
>
> yes I think you misunderstood the thread. Cancel with savepoint will never
> cause
@Bart, I think there is no Flip yet for the proper stop with savepoint
implementation. My gut feeling is that the community will soon address this
problem since it's a heavily requested feature.
Cheers,
Till
On Wed, Feb 21, 2018 at 10:26 AM, Till Rohrmann
wrote:
> Hi Christophe,
>
> yes I think
Hi Christophe,
yes I think you misunderstood the thread. Cancel with savepoint will never
cause any data loss. The only problem which might arise if you have an
operator which writes data to an external system immediately, then you
might see some data in the external system which originates from a
Hmm, I did not realize that.
I was planning when upgrading a job (consuming from Kafka) to cancel it
with a savepoint and then start it back from the savedpoint. But this
savedpoint thing was giving me the apparently false feeling I would not
lose anything? My understanding was that maybe I would
Thanks for the reply; is there a flip for this?
- bart
On Mon, Feb 19, 2018, at 5:50 PM, Till Rohrmann wrote:
> Hi Bart,
>
> you're right that Flink currently does not support a graceful stop
> mechanism for the Kafka source. The community has already a good
> idea how to solve it in the general
Hi Bart,
you're right that Flink currently does not support a graceful stop
mechanism for the Kafka source. The community has already a good idea how
to solve it in the general case and will hopefully soon add it to Flink.
Concerning the StoppableFunction: This interface was introduced quite some
In https://ci.apache.org/projects/flink/flink-docs-release-1.4/ops/cli.html it
is shown that
for gracefully stopping a job you need to implement the StoppableFunction
interface. This
appears not (yet) implemented for Kafka consumers. Am I missing something, or
is there a
different way to grace