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[SPARK-5095][MESOS] Support launching multiple mesos executors in coa…
…rse grained mesos mode. This is the next iteration of tnachen's previous PR: #4027 In that PR, we resolved with andrewor14 and pwendell to implement the Mesos scheduler's support of `spark.executor.cores` to be consistent with YARN and Standalone. This PR implements that resolution. This PR implements two high-level features. These two features are co-dependent, so they're implemented both here: - Mesos support for spark.executor.cores - Multiple executors per slave We at Mesosphere have been working with Typesafe on a Spark/Mesos integration test suite: https://github.com/typesafehub/mesos-spark-integration-tests, which passes for this PR. The contribution is my original work and I license the work to the project under the project's open source license. Author: Michael Gummelt <mgummelt@mesosphere.io> Closes #10993 from mgummelt/executor_sizing.
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Michael Gummelt
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Andrew Or
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Feb 10, 2016
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...src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala
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