Hi Niels,

The link was broken, it should be  
https://issues.apache.org/jira/browse/FLINK-2491 
<https://issues.apache.org/jira/browse/FLINK-2491>.

A similar question was asked a few days ago.

Best,
Paul Lam


> 在 2018年10月17日,19:56,Niels van Kaam <ni...@vankaam.net> 写道:
> 
> Hi All,
> 
> Thanks for the responses, the finished source explains my issue then. I can 
> work around the problem by letting my sources negotiate a "final" checkpoint 
> via zookeeper.
> 
> @Paul, I think your answer was meant for the earlier question asked by Joshua?
> 
> Cheers,
> Niels
> 
> On Wed, Oct 17, 2018 at 11:15 AM Joshua Fan <joshuafat...@gmail.com 
> <mailto:joshuafat...@gmail.com>> wrote:
> Hi Niels,
> 
> Probably not, an operator begins to do checkpoint until it gets all the 
> barriers from all the upstream sources, if one source can not send a barrier, 
> the downstream operator can not do checkpoint, FYI.
> 
> Yours sincerely
> Joshua
> 
> On Wed, Oct 17, 2018 at 4:58 PM Niels van Kaam <ni...@vankaam.net 
> <mailto:ni...@vankaam.net>> wrote:
> Hi All,
> 
> I am debugging an issue where the periodic checkpointing has halted. I 
> noticed that one of the sources of my job has completed (finished). The other 
> sources and operators would however still be able to produce output.
> 
> Does anyone know if Flink's periodic checkpoints are supposed to continue 
> when one or more sources of a job are in the "FINISHED" state?
> 
> Cheers,
> Niels
> 

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