Sahil Takiar created HIVE-18921:
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Summary: SparkClientImpl should react to errors sent from the
RemoteDriver
Key: HIVE-18921
URL: https://issues.apache.org/jira/browse/HIVE-18921
Project: Hive
Issue Type: Sub-task
Components: Spark
Reporter: Sahil Takiar
Right now, when {{RemoteDriver#shutdown}} runs it may / may not send an error
message to the client.
When it does, we simply log the error and then proceed continue running
normally. Eventually we will hit an error saying that the RPC channel has been
closed.
There are two improvements we can make:
(1) If we get an error from the {{RemoteDriver}} we can treat the RPC channel
as functionally closed, rather than proceeding with normal execution.
(2) If there is no known error on the driver side, at least send some type of
termination signal so the client knows a shutdown is coming and can act
accordingly.
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