tions in operators need not to be implemented
>> idempotent.
>>
>> Hope this helps answer your question!
>>
>> Cheers,
>> Gordon
>>
>>
>>
>> --
>> View this message in context:
>> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Checkpoint-for-exact-once-proccessing-tp4261p4264.html
>> Sent from the Apache Flink User Mailing List archive. mailing list
>> archive at Nabble.com.
>>
>
>
functions in operators need not to be implemented
> idempotent.
>
> Hope this helps answer your question!
>
> Cheers,
> Gordon
>
>
>
> --
> View this message in context:
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Checkpoint-for-exact-once-proccessing-tp4261p4264.html
> Sent from the Apache Flink User Mailing List archive. mailing list archive
> at Nabble.com.
>
ng-list-archive.2336050.n4.nabble.com/Checkpoint-for-exact-once-proccessing-tp4261p4264.html
Sent from the Apache Flink User Mailing List archive. mailing list archive at
Nabble.com.
Hi Stephan,
Thanks for your quickly response.
So, consider an operator task with two processed records and no barrier
incoming. If the task fail and must be records, the last consistent
snapshot will be used, which no includes information about the processed
but no checkpointed records. What abo
Hi!
I think there is a misunderstanding. There are no identifiers maintained
and no individual records deleted.
On recovery, all operators reset their state to a consistent snapshot:
https://ci.apache.org/projects/flink/flink-docs-release-0.10/internals/stream_checkpointing.html
Greetings,
Step
Hello,
I'm trying to understand the process of checkpoint processing for
exact-once in Flink, and I have some doubts.
The documentation says that when there is a failure and the state of an
operator is restored, the already processed records are deleted based on
their identifiers.
My doubts is,