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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/01/13 20:26:45 UTC
[GitHub] LucaCanali commented on a change in pull request #23518:
[SPARK-26600] Update spark-submit usage message
LucaCanali commented on a change in pull request #23518: [SPARK-26600] Update spark-submit usage message
URL: https://github.com/apache/spark/pull/23518#discussion_r247361319
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File path: core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
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@@ -576,27 +576,26 @@ private[deploy] class SparkSubmitArguments(args: Seq[String], env: Map[String, S
| --kill SUBMISSION_ID If given, kills the driver specified.
| --status SUBMISSION_ID If given, requests the status of the driver specified.
|
- | Spark standalone and Mesos only:
+ | Spark standalone, Mesos and K8S only:
| --total-executor-cores NUM Total cores for all executors.
|
- | Spark standalone and YARN only:
- | --executor-cores NUM Number of cores per executor. (Default: 1 in YARN mode,
- | or all available cores on the worker in standalone mode)
+ | Spark standalone, YARN and K8S only:
+ | --executor-cores NUM Number of cores used by each executor. (Default: 1 in
+ | YARN and K8S modes, or all available cores on the worker
+ | in standalone mode).
|
- | YARN-only:
+ | Spark on YARN and K8S only:
+ | --principal PRINCIPAL Principal to be used to login to KDC.
+ | --keytab KEYTAB The full path to the file that contains the keytab for the
+ | principal specified above.
Review comment:
Thanks for reviewing. The text that I cut is mostly about the implementation of --keytab (i.e. spark.kerberos.keytab) and refers to the YARN implementation. In K8S the implementation is different. Also on YARN this has evolved recently BTW. I think it is safe and shorter just to omit the implementation details in this scope.
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