Github user tnachen commented on the pull request:
https://github.com/apache/spark/pull/2145#issuecomment-53535667
Ok I just tried it on a mesos cluster and it didn't work.
The classpath it put in the Mesos command is where spark lives in the spark
shell in another host, but not in just pulled down spark-executor from the tar.
sh -c 'cd spark-1*; "/usr/bin/java" "-cp"
"::/home/jclouds/src/spark/conf:/home/jclouds/src/spark/assembly/target/scala-2.10/spark-assembly-1.1.0-SNAPSHOT-hadoop1.0.4.jar"
"-XX:MaxPermSize=128m" "-Xms512M" "-Xmx512M"
"org.apache.spark.executor.CoarseGrainedExecutorBackend"
"akka.tcp://[email protected]:47860/user/CoarseGrainedScheduler"
"20140818-071808-3483423754-5050-2070-4" "10.151.50.130" "2"'
So we must still compute classpaths after it's pulled down, not wherever
the spark-shell is being executed and assume it's going to run the tared spark.
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