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[SPARK-1779] Throw an exception if memory fractions are not between 0 and 1 #714

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[SPARK-1779] Throw an exception if memory fractions are not between 0 and 1 #714

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7b899c2
【SPARK-1779】
May 9, 2014
a59d76b
Throw exception when memoryFracton is out of range
May 9, 2014
764965f
Update ExternalAppendOnlyMap.scala
May 10, 2014
dff1f0f
Update BlockManager.scala
May 10, 2014
14d18ac
throw IllegalArgumentException
May 10, 2014
cf38bcf
throw IllegalArgumentException
May 10, 2014
43621bd
&& => ||
May 10, 2014
2e79b3d
&& => ||
May 10, 2014
fc45476
validate memoryfraction in sparkconf
May 11, 2014
717c0ca
updated to make more concise
scwf Jun 16, 2014
829a195
add indent
scwf Jun 17, 2014
da6ee59
add configs
scwf Aug 4, 2014
6e385b9
Update SparkConf.scala
scwf Aug 5, 2014
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14 changes: 14 additions & 0 deletions core/src/main/scala/org/apache/spark/SparkConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,20 @@ class SparkConf(loadDefaults: Boolean) extends Cloneable with Logging {
}
}

// Validate memory fractions
val memoryKeys = Seq(
"spark.storage.memoryFraction",
"spark.shuffle.memoryFraction",
"spark.shuffle.safetyFraction",
"spark.storage.unrollFraction",
"spark.storage.safetyFraction")
for (key <- memoryKeys) {
val value = getDouble(key, 0.5)
if (value > 1 || value < 0) {
throw new IllegalArgumentException("$key should be between 0 and 1 (was '$value').")
}
}

// Check for legacy configs
sys.env.get("SPARK_JAVA_OPTS").foreach { value =>
val error =
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