[jira] [Resolved] (SPARK-8309) OpenHashMap doesn't work with more than 12M items

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-8309.
------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.1
                   1.5.0
                   1.3.2

Issue resolved by pull request 6763
[https://github.com/apache/spark/pull/6763]

> 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
>             Fix For: 1.3.2, 1.5.0, 1.4.1
>
>
> The problem might be demonstrated with the following testcase:
> {code}
>   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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