[SPARK-2289] Remove use of spark.worker.instances

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.1, 1.1.0
• Component/s: YARN
• Assignee: Kay Ousterhout
• Reporter: Thomas Graves
• Created: 26/Jun/14 13:22
• Updated: 26/Jun/14 13:23
• Resolved: 26/Jun/14 13:23

Description

spark.worker.instances was added as part of this commit: 1617816

My understanding is that SPARK_WORKER_INSTANCES is supported for backwards compatibility,
but spark.worker.instances is never used (SparkSubmit.scala sets spark.executor.instances) so should
not have been added.