xgboost4j-spark_2.12 1.4.1 API < Back
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# Packages

-  package root
  Definition Classes
    root
-  package ml
  Definition Classes
    root
-  package dmlc
  Definition Classes
    ml
-  package xgboost4j
  Definition Classes
    dmlc
-  package scala
  Definition Classes
    xgboost4j
-  package spark
  Definition Classes
    scala
-  package params
  Definition Classes
    spark
- DataUtils
- TrackerConf
- XGBoost
- XGBoostClassificationModel
- XGBoostClassifier
- XGBoostRegressionModel
- XGBoostRegressor
- XGBoostTrainingSummary

c

ml.dmlc.xgboost4j.scala.spark

# TrackerConf 

###
Companion object TrackerConf

#### case class TrackerConf(workerConnectionTimeout: Long, trackerImpl: String) extends Product with Serializable

Rabit tracker configurations.

workerConnectionTimeout

  The timeout for all workers to connect to the tracker. Set timeout length to zero to disable timeout. Use a finite, non-zero timeout value to prevent tracker from hanging indefinitely (in milliseconds) (supported by "scala" implementation only.)

trackerImpl

  Choice between "python" or "scala". The former utilizes the Java wrapper of the Python Rabit tracker (in dmlc_core), whereas the latter is implemented in Scala without Python components, and with full support of timeouts. The Scala implementation is currently experimental, use at your own risk.

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### Instance Constructors

1.  new TrackerConf(workerConnectionTimeout: Long, trackerImpl: String)

   workerConnectionTimeout

     The timeout for all workers to connect to the tracker. Set timeout length to zero to disable timeout. Use a finite, non-zero timeout value to prevent tracker from hanging indefinitely (in milliseconds) (supported by "scala" implementation only.)

   trackerImpl

     Choice between "python" or "scala". The former utilizes the Java wrapper of the Python Rabit tracker (in dmlc_core), whereas the latter is implemented in Scala without Python components, and with full support of timeouts. The Scala implementation is currently experimental, use at your own risk.

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14.  val trackerImpl: String
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18.  val workerConnectionTimeout: Long

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