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HDFS-17544. [ARR] The router client rpc protocol supports asynchrony.
Description of PR
Please see : https://issues.apache.org/jira/browse/HDFS-17544
How was this patch tested?
For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
- [ ] If applicable, have you updated the
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