[
https://issues.apache.org/jira/browse/HDFS-16158?focusedWorklogId=636847&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-636847
]
ASF GitHub Bot logged work on HDFS-16158:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Aug/21 10:16
Start Date: 11/Aug/21 10:16
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3288:
URL: https://github.com/apache/hadoop/pull/3288#issuecomment-896698116
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 55s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | buf | 0m 0s | | buf was not available. |
| +0 :ok: | jshint | 0m 0s | | jshint 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 27 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 35m 49s | | trunk passed |
| +1 :green_heart: | compile | 1m 40s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 1m 30s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 13s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 38s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 7s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 38s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 44s | | trunk passed |
| +1 :green_heart: | shadedclient | 21m 21s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 21s | | the patch passed |
| +1 :green_heart: | compile | 1m 23s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | cc | 1m 23s | | the patch passed |
| +1 :green_heart: | javac | 1m 23s | | 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: | cc | 1m 13s | | the patch passed |
| +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 56s |
[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3288/3/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs-project/hadoop-hdfs: The patch generated 13 new + 869 unchanged
- 5 fixed = 882 total (was 874) |
| +1 :green_heart: | mvnsite | 1m 20s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 56s | | 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 43s | | the patch passed |
| +1 :green_heart: | shadedclient | 20m 52s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 380m 24s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3288/3/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. |
| | | 482m 8s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.hdfs.server.namenode.ha.TestEditLogTailer |
| |
hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor |
| | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3288/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3288 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell cc buflint bufcompat
jshint |
| uname | Linux 2bb7c9938eab 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14
16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / f50fd260bccab1184abeb5fd6824442fcae8c887 |
| 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-3288/3/testReport/ |
| Max. process+thread count | 2028 (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-3288/3/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: 636847)
Time Spent: 0.5h (was: 20m)
> Discover datanodes with unbalanced volume usage by the standard deviation
> --------------------------------------------------------------------------
>
> Key: HDFS-16158
> URL: https://issues.apache.org/jira/browse/HDFS-16158
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2021-08-11-10-14-58-430.png
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Discover datanodes with unbalanced volume usage by the standard deviation
> In some scenarios, we may cause unbalanced datanode disk usage:
> 1. Repair the damaged disk and make it online again.
> 2. Add disks to some Datanodes.
> 3. Some disks are damaged, resulting in slow data writing.
> 4. Use some custom volume choosing policies.
> In the case of unbalanced disk usage, a sudden increase in datanode write
> traffic may result in busy disk I/O with low volume usage, resulting in
> decreased throughput across datanodes.
> In this case, we need to find these nodes in time to do diskBalance, or other
> processing. Based on the volume usage of each datanode, we can calculate the
> standard deviation of the volume usage. The more unbalanced the volume, the
> higher the standard deviation.
> To prevent the namenode from being too busy, we can calculate the standard
> variance on the datanode side, transmit it to the namenode through heartbeat,
> and display the result on the Web of namenode. We can then sort directly to
> find the nodes on the Web where the volumes usages are unbalanced.
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