Naveen Somasundaram created SAMZA-675:
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Summary: Check backwards incompatible config changes
Key: SAMZA-675
URL: https://issues.apache.org/jira/browse/SAMZA-675
Project: Samza
Issue Type: Bug
Components: container
Affects Versions: 0.10.0
Reporter: Naveen Somasundaram
One of the nice things we get for coordinator stream is, we have the previous
configs we launched the job with. We can use this to our advantage for config
validation. For e.g.,
1. The number of partitions in the Kafka stream has changed, this would break
our change log partition mapping.
2. Store was opened with TTL, but reopened again without TTL in RocksDB, this
can cause a corruption.
And many more checks like this. We need a place (probably JobCoordinator) to do
these validations.
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