Xuefu Zhang created HIVE-12568:
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Summary: Use the same logic finding HS2 host name in Spark client
[Spark Branch]
Key: HIVE-12568
URL: https://issues.apache.org/jira/browse/HIVE-12568
Project: Hive
Issue Type: Bug
Components: Spark
Affects Versions: 1.1.0
Reporter: Xuefu Zhang
Assignee: Xuefu Zhang
Spark client sends a pair of host name and port number to the remote driver so
that the driver can connects back to HS2 where the user session is. Spark
client has its own way determining the host name, and pick one network
interface if the host happens to have multiple network interfaces. This can be
problematic. For that, there is parameter, hive.spark.client.server.address,
which user can pick an interface. Unfortunately, this interface isn't exposed.
Instead of exposing this parameter, we can use the same logic as Hive in
determining the host name. Therefore, the remote driver connecting to HS2 using
the same network interface as a HS2 client would do.
There might be a case where user may want the remote driver to use a different
network. This is rare if at all. Thus, for now it should be sufficient to use
the same network interface.
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