dannycranmer opened a new pull request #14407:
URL: https://github.com/apache/flink/pull/14407
## What is the purpose of the change
When consuming from `LATEST`, the `KinesisDataFetcher` converts the shard
iterator type into an `AT_TIMESTAMP` to ensure all shards start from the same
position. When `LATEST` is used each shared would effectively start from a
different point in the time.
DynamoDB streams do not support `AT_TIMESTAMP` iterator type and consuming
from latest is broken
## Brief change log
- Remove shard iterator type transform for DynamoDB streams consumer to fix
consume from `LATEST`
## Verifying this change
- Added unit test: `DynamoDBStreamsDataFetcherTest`
- Deployed application to local Flink cluster and verified consumer works as
expected
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
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