Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/718#discussion_r13564491
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/HistoryServer.scala ---
@@ -290,8 +212,81 @@ object HistoryServer {
}
}
+ private def parse(args: List[String]): Unit = {
+ args match {
+ case ("--dir" | "-d") :: value :: tail =>
+ set("fs.logDirectory", value)
+ parse(tail)
+
+ case ("-D") :: opt :: value :: tail =>
+ set(opt, value)
+ parse(tail)
+
+ case ("--help" | "-h") :: tail =>
+ printUsageAndExit(0)
+
+ case Nil =>
+
+ case _ =>
+ printUsageAndExit(1)
+ }
+ }
+
+ private def set(name: String, value: String) = {
+ conf.set("spark.history." + name, value)
+ }
+
+ private def printUsageAndExit(exitCode: Int) {
+ System.err.println(
+ """
+ |Usage: HistoryServer [options]
+ |
+ |Options are set by passing "-D option value" command line arguments
to the class.
+ |Command line options will override JVM system properties (which
should be prepended
+ |with "spark.history.").
+ |
+ |History Server options are always available; additional options
depend on the provider.
+ |
+ |History Server options:
+ |
+ | ui.port Port where server will listen for connections
(default 18080)
+ | ui.acls.enable Whether to enable view acls for all
applications (default false)
+ | provider Name of history provider class (defaults to
file system-based provider)
+ |
+ |FsHistoryProvider options:
+ |
+ | fs.logDirectory Directory where app logs are stored (required)
+ | fs.updateInterval How often to reload log data from storage
(seconds, default 10)
--- End diff --
You should also update the documentation in `configuration.md`
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