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https://issues.apache.org/jira/browse/HADOOP-19291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17887837#comment-17887837
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ASF GitHub Bot commented on HADOOP-19291:
-----------------------------------------

hadoop-yetus commented on PR #7101:
URL: https://github.com/apache/hadoop/pull/7101#issuecomment-2401737490

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
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   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  50m 58s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  21m  2s |  |  trunk passed with JDK 
Ubuntu-11.0.24+8-post-Ubuntu-1ubuntu320.04  |
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Ubuntu-11.0.24+8-post-Ubuntu-1ubuntu320.04  |
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Private Build-1.8.0_422-8u422-b05-1~20.04-b05  |
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   |||| _ Patch Compile Tests _ |
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   | +1 :green_heart: |  compile  |  20m 10s |  |  the patch passed with JDK 
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   | +1 :green_heart: |  javac  |  20m 10s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  19m 52s |  |  the patch passed with JDK 
Private Build-1.8.0_422-8u422-b05-1~20.04-b05  |
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   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  20m 21s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   1m  4s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 255m 15s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.47 ServerAPI=1.47 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7101/2/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/7101 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
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   | uname | Linux 770cb0a1c896 5.15.0-119-generic #129-Ubuntu SMP Fri Aug 2 
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   | Build tool | maven |
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|
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7101/2/testReport/ |
   | Max. process+thread count | 1263 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7101/2/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
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> `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
>            Priority: Major
>              Labels: pull-request-available
>         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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