[
https://issues.apache.org/jira/browse/HDFS-16333?focusedWorklogId=692520&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-692520
]
ASF GitHub Bot logged work on HDFS-16333:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Dec/21 12:44
Start Date: 08/Dec/21 12:44
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3679:
URL: https://github.com/apache/hadoop/pull/3679#issuecomment-988779522
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 46s | | 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 :green_heart: | test4tests | 0m 0s | | The patch appears to
include 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 39m 40s | | trunk passed |
| +1 :green_heart: | compile | 1m 32s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 1m 22s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 4s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 27s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 0s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 32s | | 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 | 22m 14s | | 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 17s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 1m 17s | | 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. |
| +1 :green_heart: | checkstyle | 0m 52s | |
hadoop-hdfs-project/hadoop-hdfs: The patch generated 0 new + 150 unchanged - 1
fixed = 150 total (was 151) |
| +1 :green_heart: | mvnsite | 1m 22s | | 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 24s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 15s | | the patch passed |
| +1 :green_heart: | shadedclient | 23m 1s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 229m 11s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3679/7/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 0m 46s | | The patch does not
generate ASF License warnings. |
| | | 336m 10s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.hdfs.TestRollingUpgrade |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3679/7/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 e4e612629e2e 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 / 15a3fbde50af18e7ecf8394f8519e2210c969207 |
| 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-3679/7/testReport/ |
| Max. process+thread count | 3194 (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-3679/7/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: 692520)
Time Spent: 4h 40m (was: 4.5h)
> 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
> Assignee: 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: 4h 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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