Marco Capuccini created SPARK-15941:
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Summary: Spark executor address always bind to IP address when
using Netty RPC implementation
Key: SPARK-15941
URL: https://issues.apache.org/jira/browse/SPARK-15941
Project: Spark
Issue Type: Bug
Reporter: Marco Capuccini
When using Netty RPC implementation, which is the default one in Spark 1.6.x,
the executor addresses that I see in the Spark application UI (the one on port
4040) are the IP addresses of the machines, even if I start the slaves with the
-H option, in order to bind each slave to the hostname of the machine.
This is a big deal when using Spark with HDFS, as the executor addresses need
to match the hostnames of the DataNodes, to achieve data locality.
When setting spark.rpc=akka everything works as expected, and the executor
addresses in the Spark UI match the hostname, which the slaves are bound to.
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