Aleksandr Savonin created FLINK-39856:
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Summary: Auto-derive a default transactionalIdPrefix for
EXACTLY_ONCE from JobID when unset
Key: FLINK-39856
URL: https://issues.apache.org/jira/browse/FLINK-39856
Project: Flink
Issue Type: Sub-task
Components: Connectors / Kafka
Reporter: Aleksandr Savonin
We can provide a safe default when the user doesn't set one
({{{}transactionalIdPrefix{}}}), we can derive it from getJobInfo().getJobId()
plus a per-sink discriminator.
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