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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