Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/2379#discussion_r17766151
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/HistoryServerArguments.scala
---
@@ -44,30 +50,19 @@ private[spark] class HistoryServerArguments(conf:
SparkConf, args: Array[String]
}
}
+ // Use common defaults file, if not specified by user
+ propertiesFile =
Option(propertiesFile).getOrElse(Utils.getDefaultConfigFile)
+
private def printUsageAndExit(exitCode: Int) {
System.err.println(
"""
- |Usage: HistoryServer
- |
- |Configuration options can be set by setting the corresponding JVM
system property.
- |History Server options are always available; additional options
depend on the provider.
- |
- |History Server options:
- |
- | spark.history.ui.port Port where server will listen
for connections
- | (default 18080)
- | spark.history.acls.enable Whether to enable view acls
for all applications
- | (default false)
- | spark.history.provider Name of history provider class
(defaults to
- | file system-based provider)
- | spark.history.retainedApplications Max number of application UIs
to keep loaded in memory
- | (default 50)
- |FsHistoryProvider options:
- |
- | spark.history.fs.logDirectory Directory where app logs are
stored (required)
- | spark.history.fs.updateInterval How often to reload log data
from storage (in seconds,
- | default 10)
- |""".stripMargin)
--- End diff --
Only here to show the `spark.*` options is confusing.
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