Github user tnachen commented on a diff in the pull request:
https://github.com/apache/spark/pull/11157#discussion_r55104599
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -1940,57 +1940,131 @@ private[spark] object Utils extends Logging {
}
/**
- * Attempt to start a service on the given port, or fail after a number
of attempts.
- * Each subsequent attempt uses 1 + the port used in the previous
attempt (unless the port is 0).
- *
- * @param startPort The initial port to start the service on.
- * @param startService Function to start service on a given port.
- * This is expected to throw java.net.BindException
on port collision.
- * @param conf A SparkConf used to get the maximum number of retries
when binding to a port.
- * @param serviceName Name of the service.
- * @return (service: T, port: Int)
- */
+ * Attempt to start a service on the given port, or fail after a number
of attempts.
+ * Each subsequent attempt uses 1 + the port used in the previous
attempt (unless the port is 0).
+ * It takes into consideration port restrictions through the env var
AVAILABLE_PORTS
+ *
+ * @param startPort The initial port to start the service on.
+ * @param startService Function to start service on a given port.
+ * This is expected to throw java.net.BindException
on port collision.
+ * @param conf A SparkConf used to get the maximum number of retries
when binding to a port.
+ * @param serviceName Name of the service.
+ * @return (service: T, port: Int)
+ */
def startServiceOnPort[T](
- startPort: Int,
- startService: Int => (T, Int),
- conf: SparkConf,
- serviceName: String = ""): (T, Int) = {
+ startPort: Int,
--- End diff --
Fix indentation
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