[ 
https://issues.apache.org/jira/browse/HDFS-16187?focusedWorklogId=649711&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-649711
 ]

ASF GitHub Bot logged work on HDFS-16187:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Sep/21 14:48
            Start Date: 12/Sep/21 14:48
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #3340:
URL: https://github.com/apache/hadoop/pull/3340#issuecomment-917650593


   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 3 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
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   | +1 :green_heart: |  compile  |   1m 23s |  |  trunk passed with JDK 
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   | +1 :green_heart: |  mvnsite  |   1m 23s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   0m 55s |  |  trunk passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 25s |  |  trunk passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
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   | +1 :green_heart: |  shadedclient  |  19m 22s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 17s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 21s |  |  the patch passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04  |
   | +1 :green_heart: |  javac  |   1m 21s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m  9s |  |  the patch passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
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issues.  |
   | +1 :green_heart: |  checkstyle  |   0m 54s |  |  
hadoop-hdfs-project/hadoop-hdfs: The patch generated 0 new + 184 unchanged - 1 
fixed = 184 total (was 185)  |
   | +1 :green_heart: |  mvnsite  |   1m 15s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   0m 48s |  |  the patch passed with JDK 
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   | +1 :green_heart: |  javadoc  |   1m 21s |  |  the patch passed with JDK 
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10  |
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   | +1 :green_heart: |  shadedclient  |  18m 50s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | -1 :x: |  unit  | 316m 23s | 
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3340/8/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
 |  hadoop-hdfs in the patch passed.  |
   | +1 :green_heart: |  asflicense  |   0m 39s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 409m 35s |  |  |
   
   
   | Reason | Tests |
   |-------:|:------|
   | Failed junit tests | hadoop.hdfs.server.mover.TestMover |
   |   | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3340/8/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/3340 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux d0f51dac6e97 4.15.0-147-generic #151-Ubuntu SMP Fri Jun 18 
19:21:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 19ac0d5ae3b7a7f8fb16abe3265a2428fb8f9335 |
   | Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3340/8/testReport/ |
   | Max. process+thread count | 2321 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3340/8/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 649711)
    Time Spent: 3.5h  (was: 3h 20m)

> SnapshotDiff behaviour with Xattrs and Acls is not consistent across NN 
> restarts with checkpointing
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16187
>                 URL: https://issues.apache.org/jira/browse/HDFS-16187
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>            Reporter: Srinivasu Majeti
>            Assignee: Shashikant Banerjee
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 3.5h
>  Remaining Estimate: 0h
>
> The below test shows the snapshot diff between across snapshots is not 
> consistent with Xattr(EZ here settinh the Xattr) across NN restarts with 
> checkpointed FsImage.
> {code:java}
> @Test
> public void testEncryptionZonesWithSnapshots() throws Exception {
>   final Path snapshottable = new Path("/zones");
>   fsWrapper.mkdir(snapshottable, FsPermission.getDirDefault(),
>       true);
>   dfsAdmin.allowSnapshot(snapshottable);
>   dfsAdmin.createEncryptionZone(snapshottable, TEST_KEY, NO_TRASH);
>   fs.createSnapshot(snapshottable, "snap1");
>   SnapshotDiffReport report =
>       fs.getSnapshotDiffReport(snapshottable, "snap1", "");
>   Assert.assertEquals(0, report.getDiffList().size());
>   report =
>       fs.getSnapshotDiffReport(snapshottable, "snap1", "");
>   System.out.println(report);
>   Assert.assertEquals(0, report.getDiffList().size());
>   fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
>   fs.saveNamespace();
>   fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
>   cluster.restartNameNode(true);
>   report =
>       fs.getSnapshotDiffReport(snapshottable, "snap1", "");
>   Assert.assertEquals(0, report.getDiffList().size());
> }{code}
> {code:java}
> Pre Restart:
> Difference between snapshot snap1 and current directory under directory 
> /zones:
> Post Restart:
> Difference between snapshot snap1 and current directory under directory 
> /zones:
> M .{code}
> The side effect of this behavior is : distcp with snapshot diff would fail 
> with below error complaining that target cluster has some data changed .
> {code:java}
> WARN tools.DistCp: The target has been modified since snapshot xxxxx
> {code}



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