spancer commented on issue #2208:
URL: https://github.com/apache/iceberg/issues/2208#issuecomment-908899467
> Currently, Flink Iceberg sink can only write to one table with
exactly-once semantic.
>
> If the table partition doesn't fit your requirements, maybe you can use
filter or side output to split the stream into multiple sub streams. then
attach a separate Iceberg sink to each sub DataStream. This probably won't work
if the number of tables/datasets is really high (like hundreds). In that case,
maybe split the uber stream before the Iceberg ingestion jobs.
Hi steven,
Using a side-output stream and attach a separate sink to each sub-stream
can't solve the problem gracefully. This requires a fixed count of sub-streams,
or we have to bind each sub-stream to a pre-defined name, otherwise, we can't
use them in the follow-up sink. Because we have to make sure the job graph is
pre-defined. I think using two jobs might achieve this.
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