Yijie Shen created SPARK-2354:
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Summary: BitSet Range Expanded when creating new one
Key: SPARK-2354
URL: https://issues.apache.org/jira/browse/SPARK-2354
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.1.0
Reporter: Yijie Shen
Priority: Minor
BitSet has a constructor parameter named "numBits: Int" and indicate the bit
num inside.
And also, there is a function called "capacity" which represents the long words
number to hold the bits.
When creating new BitSet,for example in '|', I thought the new created one
shouldn't be the size of longer words' length, instead, it should be the longer
set's num of bit
{code}def |(other: BitSet): BitSet = {
val newBS = new BitSet(math.max(numBits, other.numBits))
// I know by now the numBits isn't a field
{code}
Does it have any other reason to expand the BitSet range I don't know?
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