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https://issues.apache.org/jira/browse/SPARK-2354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061920#comment-14061920
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Sean Owen commented on SPARK-2354:
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I think it should be closed if there is no existing bug or code change.
> 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: 1.0.0, 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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