Joe Wreschnig created KAFKA-15190:
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Summary: Allow configuring a streams process ID
Key: KAFKA-15190
URL: https://issues.apache.org/jira/browse/KAFKA-15190
Project: Kafka
Issue Type: Wish
Components: streams
Reporter: Joe Wreschnig
We run our Kafka Streams applications in containers with no persistent storage,
and therefore the mitigation of persisting process ID the state directly in
KAFKA-10716 does not help us avoid shuffling lots of tasks during restarts.
However, we do have a persistent container ID (from a Kubernetes StatefulSet).
Would it be possible to expose a configuration option to let us set the streams
process ID ourselves?
We are already using this ID as our group.instance.id - would it make sense to
have the process ID be automatically derived from this (plus application/client
IDs) if it's set? The two IDs seem to have overlapping goals of identifying
"this consumer" across restarts.
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