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https://issues.apache.org/jira/browse/HDFS-16791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17678474#comment-17678474
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ASF GitHub Bot commented on HDFS-16791:
---------------------------------------

hadoop-yetus commented on PR #4967:
URL: https://github.com/apache/hadoop/pull/4967#issuecomment-1396401494

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/branch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/branch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt)
 |  hadoop-common in trunk failed with JDK 
Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.  |
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Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04  |
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Private Build-1.8.0_352-8u352-ga-1~20.04-b08  |
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[/blanks-eol.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/blanks-eol.txt)
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<<patch_file>>. Refer https://git-scm.com/docs/git-apply  |
   | -0 :warning: |  checkstyle  |   3m 46s | 
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/results-checkstyle-root.txt)
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[/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/patch-javadoc-hadoop-common-project_hadoop-common-jdkUbuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.txt)
 |  hadoop-common in the patch failed with JDK 
Ubuntu-11.0.17+8-post-Ubuntu-1ubuntu220.04.  |
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Private Build-1.8.0_352-8u352-ga-1~20.04-b08  |
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   |||| _ Other Tests _ |
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   | -1 :x: |  unit  | 285m 43s | 
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
 |  hadoop-hdfs in the patch passed.  |
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[/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt)
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   | +1 :green_heart: |  asflicense  |   1m 15s |  |  The patch does not 
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   |  |   | 558m 20s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | hadoop.hdfs.TestLeaseRecovery2 |
   |   | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/artifact/out/Dockerfile
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   | GITHUB PR | https://github.com/apache/hadoop/pull/4967 |
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cc buflint bufcompat |
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   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/testReport/ |
   | Max. process+thread count | 3283 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs 
hadoop-hdfs-project/hadoop-hdfs-rbf U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4967/8/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 |
   
   
   This message was automatically generated.
   
   




> New API for enclosing root path for a file
> ------------------------------------------
>
>                 Key: HDFS-16791
>                 URL: https://issues.apache.org/jira/browse/HDFS-16791
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Tom McCormick
>            Assignee: Tom McCormick
>            Priority: Major
>              Labels: pull-request-available
>
> At LinkedIn we run many HDFS volumes that are federated by either 
> ViewFilesystem or Router Based Federation. As our number of hdfs volumes 
> grows, we have a growing need to migrate data seemlessly across volumes.
> Many frameworks have a notion of staging or temp directories, but those 
> directories often live in random locations. We want an API getEnclosingRoot, 
> which provides the root path a file or dataset. 
> In ViewFilesystem / Router Based Federation, the enclosingRoot will be the 
> mount point.
> We will also take into account other restrictions for renames like 
> encryptions zones.
> If there are several paths (a mount point and an encryption zone), we will 
> return the longer path



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