Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9201#discussion_r42696318
--- Diff: conf/spark-env.sh.template ---
@@ -39,7 +39,7 @@
# - SPARK_EXECUTOR_INSTANCES, Number of workers to start (Default: 2)
# - SPARK_EXECUTOR_CORES, Number of cores for the workers (Default: 1).
# - SPARK_EXECUTOR_MEMORY, Memory per Worker (e.g. 1000M, 2G) (Default: 1G)
-# - SPARK_DRIVER_MEMORY, Memory for Master (e.g. 1000M, 2G) (Default: 1G)
+# - SPARK_DRIVER_MEMORY, Memory for Driver (e.g. 1000M, 2G) (Default: 1G)
--- End diff --
This seems fine. It occurs to me that the lines above refer to 'workers'
which seems odd since this is clearly about executors, and YARN mode. Maybe
those should change too.
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