Vyacheslav Baranov created SPARK-8309:
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Summary: OpenHashMap doesn't work with more than 12M items
Key: SPARK-8309
URL: https://issues.apache.org/jira/browse/SPARK-8309
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.4.0
Reporter: Vyacheslav Baranov
The problem might be demonstrated with the following testcase:
{code:scala}
test("support for more than 12M items") {
val cnt = 12000000 // 12M
val map = new OpenHashMap[Int, Int](cnt)
for (i <- 0 until cnt) {
map(i) = 1
}
val numInvalidValues = map.iterator.count(_._2 == 0)
assertResult(0)(numInvalidValues)
}
{code}
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