[
https://issues.apache.org/jira/browse/HDFS-16333?focusedWorklogId=683442&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-683442
]
ASF GitHub Bot logged work on HDFS-16333:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Nov/21 16:34
Start Date: 18/Nov/21 16:34
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3679:
URL: https://github.com/apache/hadoop/pull/3679#issuecomment-973036747
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 45s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 1s | | codespell was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| -1 :x: | test4tests | 0m 0s | | The patch doesn't appear to include
any new or modified tests. Please justify why no new tests are needed for this
patch. Also please list what manual steps were performed to verify this patch.
|
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 36m 14s | | trunk passed |
| +1 :green_heart: | compile | 1m 37s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 1m 25s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 2s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 25s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 1s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 33s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 12s | | trunk passed |
| +1 :green_heart: | shadedclient | 21m 58s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 16s | | the patch passed |
| +1 :green_heart: | compile | 1m 18s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 1m 18s | | the patch passed |
| +1 :green_heart: | compile | 1m 13s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | javac | 1m 13s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| -0 :warning: | checkstyle | 0m 54s |
[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3679/2/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs-project/hadoop-hdfs: The patch generated 3 new + 40 unchanged -
1 fixed = 43 total (was 41) |
| +1 :green_heart: | mvnsite | 1m 19s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 51s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 25s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 16s | | the patch passed |
| +1 :green_heart: | shadedclient | 23m 7s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 234m 29s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 41s | | The patch does not
generate ASF License warnings. |
| | | 337m 59s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3679/2/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3679 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 4ddcfd7667b5 4.15.0-156-generic #163-Ubuntu SMP Thu Aug 19
23:31:58 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 46dbec8d4354b9fadf094351b3edd501e9f67c40 |
| 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-3679/2/testReport/ |
| Max. process+thread count | 3060 (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-3679/2/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 |
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Issue Time Tracking
-------------------
Worklog Id: (was: 683442)
Time Spent: 40m (was: 0.5h)
> fix balancer bug when transfer an EC block
> ------------------------------------------
>
> Key: HDFS-16333
> URL: https://issues.apache.org/jira/browse/HDFS-16333
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Reporter: qinyuren
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2021-11-18-17-25-13-089.png,
> image-2021-11-18-17-25-50-556.png, image-2021-11-18-17-28-03-155.png
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> We set the EC policy to (6+3) and we also have nodes that were
> decommissioning when we executed balancer.
> With the balancer running, we find many error logs as follow.
> !image-2021-11-18-17-25-13-089.png|width=858,height=135!
> Node A wants to transfer an EC block to node B, but we found that the block
> is not on node A. The FSCK command to show the block status as follow
> !image-2021-11-18-17-25-50-556.png|width=607,height=189!
> In the dispatcher. getBlockList function
> !image-2021-11-18-17-28-03-155.png!
>
> Assume that the location of the an EC block in storageGroupMap look like this
> indices:[0, 1, 2, 3, 4, 5, 6, 7, 8]
> node:[a, b, c, d, e, f, g, h, i]
> after decommission operation, the internal block on indices[1] were
> decommission to another node.
> indices:[0, 1, 2, 3, 4, 5, 6, 7, 8]
> node:[a, {color:#FF0000}j{color}, c, d, e, f, g, h, i]
> the location of indices[1] change from node {color:#FF0000}b{color} to node
> {color:#FF0000}j{color}.
>
> When the balancer get the block location and check it with the location in
> storageGroupMap.
> If a node is not found in storageGroupMap, it will not be add to block
> locations.
> In this case, node {color:#FF0000}j {color}will not be added to the block
> locations, while the indices is not updated.
> Finally, the block location may look like this,
> indices:[0, 1, 2, 3, 4, 5, 6, 7, 8]
> {color:#FF0000}block.location:[a, c, d, e, f, g, h, i]{color}
> the location of the nodes does not match their indices
>
> Solution:
> we should update the indices and match with the nodes
> {color:#FF0000}indices:[0, 2, 3, 4, 5, 6, 7, 8]{color}
> {color:#FF0000}block.location:[a, c, d, e, f, g, h, i]{color}
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