[jira] [Created] (SPARK-3565) make code consistent with document

["WangTaoTheTonic (JIRA)" <ji...@apache.org>]

WangTaoTheTonic created SPARK-3565:
--------------------------------------

             Summary: make code consistent with document
                 Key: SPARK-3565
                 URL: https://issues.apache.org/jira/browse/SPARK-3565
             Project: Spark
          Issue Type: Bug
          Components: core
            Reporter: WangTaoTheTonic
            Priority: Minor


The configuration item represent "Default number of retries in binding to a port" in code is "spark.ports.maxRetries" while "spark.port.maxRetries" in document configuration.md. We need to make them consistent.
 
In org.apache.spark.util.Utils.scala:
  /**
   * Default number of retries in binding to a port.
   */
  val portMaxRetries: Int = {
    if (sys.props.contains("spark.testing")) {
      // Set a higher number of retries for tests...
      sys.props.get("spark.port.maxRetries").map(_.toInt).getOrElse(100)
    } else {
      Option(SparkEnv.get)
        .flatMap(_.conf.getOption("spark.port.maxRetries"))
        .map(_.toInt)
        .getOrElse(16)
    }
  }

In configuration.md:
<tr>
  <td><code>spark.port.maxRetries</code></td>
  <td>16</td>
  <td>
    Maximum number of retries when binding to a port before giving up.
  </td>
</tr>



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