David Li created ARROW-4484:
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Summary: [Java] improve Flight DoPut busy wait
Key: ARROW-4484
URL: https://issues.apache.org/jira/browse/ARROW-4484
Project: Apache Arrow
Issue Type: Improvement
Components: FlightRPC, Java
Reporter: David Li
Currently the implementation of putNext in FlightClient.java busy-waits until
gRPC indicates that the server can receive a message. We should either improve
the busy-wait (e.g. add sleep times), or rethink the API and make it
non-blocking.
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