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[SPARK-8619][Streaming]Don't recover keytab and principal configuration within Streaming checkpoint #7008

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[SPARK-8619][Streaming]Don't recover keytab and principal configuration within Streaming checkpoint #7008

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Don't recover keytab and principal configuration within Streaming che…
SaintBacchus Jun 25, 2015
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Fix code style and add a short comment.
SaintBacchus Jun 30, 2015
d50dbdf
Delect one blank space
SaintBacchus Jun 30, 2015
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16 changes: 14 additions & 2 deletions streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -44,11 +44,23 @@ class Checkpoint(@transient ssc: StreamingContext, val checkpointTime: Time)
val sparkConfPairs = ssc.conf.getAll

def createSparkConf(): SparkConf = {

// Reload properties for the checkpoint application since user wants to set a reload property
// or spark had changed its value and user wants to set it back.
val propertiesToReload = List(
"spark.master",
"spark.yarn.keytab",
"spark.yarn.principal")

val newSparkConf = new SparkConf(loadDefaults = false).setAll(sparkConfPairs)
.remove("spark.driver.host")
.remove("spark.driver.port")
val newMasterOption = new SparkConf(loadDefaults = true).getOption("spark.master")
newMasterOption.foreach { newMaster => newSparkConf.setMaster(newMaster) }
val newReloadConf = new SparkConf(loadDefaults = true)
propertiesToReload.foreach { prop =>
newReloadConf.getOption(prop).foreach { value =>
newSparkConf.set(prop, value)
}
}
newSparkConf
}

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