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https://issues.apache.org/jira/browse/HADOOP-19291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukund Thakur resolved HADOOP-19291.
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Fix Version/s: 3.4.1
Assignee: Mukund Thakur
Resolution: Fixed
> `CombinedFileRange.merge` should not convert disjoint ranges into overlapped
> ones
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-19291
> URL: https://issues.apache.org/jira/browse/HADOOP-19291
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.3.9, 3.5.0, 3.4.1
> Reporter: Dongjoon Hyun
> Assignee: Mukund Thakur
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.1
>
> Attachments: Screenshot 2024-09-28 at 22.02.01.png
>
>
> Currently, Hadoop has a bug to convert disjoint ranges into overlapped ones
> and eventually fails by itself.
> {code:java}
> + public void testMergeSortedRanges() {
> + List<FileRange> input = asList(
> + createFileRange(13816220, 24, null),
> + createFileRange(13816244, 7423960, null)
> + );
> + assertIsNotOrderedDisjoint(input, 100, 800);
> + final List<CombinedFileRange> outputList = mergeSortedRanges(
> + sortRangeList(input), 100, 1001, 2500);
> +
> + assertRangeListSize(outputList, 1);
> + assertFileRange(outputList.get(0), 13816200, 7424100);
> + }
> {code}
> !Screenshot 2024-09-28 at 22.02.01.png!
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