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https://issues.apache.org/jira/browse/HDFS-16203?focusedWorklogId=650366&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-650366
]
ASF GitHub Bot logged work on HDFS-16203:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Sep/21 06:36
Start Date: 14/Sep/21 06:36
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3366:
URL: https://github.com/apache/hadoop/pull/3366#issuecomment-918853006
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 44s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 1s | | codespell was not available. |
| +0 :ok: | jshint | 0m 1s | | 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 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +0 :ok: | mvndep | 12m 49s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 20m 23s | | trunk passed |
| +1 :green_heart: | compile | 4m 57s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 4m 35s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 12s | | trunk passed |
| +1 :green_heart: | mvnsite | 3m 5s | | trunk passed |
| +1 :green_heart: | javadoc | 2m 20s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 3m 8s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 6m 49s | | trunk passed |
| +1 :green_heart: | shadedclient | 14m 36s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 27s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 2m 36s | | the patch passed |
| +1 :green_heart: | compile | 4m 51s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 4m 51s | | the patch passed |
| +1 :green_heart: | compile | 4m 28s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | javac | 4m 28s | | the patch passed |
| +1 :green_heart: | blanks | 0m 1s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 1m 4s | | hadoop-hdfs-project: The
patch generated 0 new + 120 unchanged - 9 fixed = 120 total (was 129) |
| +1 :green_heart: | mvnsite | 2m 40s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 57s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 2m 47s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 7m 3s | | the patch passed |
| +1 :green_heart: | shadedclient | 15m 16s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 18s | | hadoop-hdfs-client in the patch
passed. |
| +1 :green_heart: | unit | 241m 16s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | unit | 21m 27s | | hadoop-hdfs-rbf in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 51s | | The patch does not
generate ASF License warnings. |
| | | 386m 2s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3366/8/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3366 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell jshint |
| uname | Linux fdb214245f36 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 70e73b3f3604f5e52328bb692ea38ad9f9d57c2c |
| 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-3366/8/testReport/ |
| Max. process+thread count | 3170 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/hadoop-hdfs hadoop-hdfs-project/hadoop-hdfs-rbf U:
hadoop-hdfs-project |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3366/8/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 |
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Issue Time Tracking
-------------------
Worklog Id: (was: 650366)
Time Spent: 4h 10m (was: 4h)
> Discover datanodes with unbalanced block pool usage by the standard deviation
> -----------------------------------------------------------------------------
>
> Key: HDFS-16203
> URL: https://issues.apache.org/jira/browse/HDFS-16203
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2021-09-01-19-16-27-172.png
>
> Time Spent: 4h 10m
> 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.
> 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.
> *We can display the result on the Web of namenode, and then sorting directly
> to find the nodes where the volumes usages are unbalanced.*
> *{color:#172b4d}This interface is only used to obtain metrics and does not
> adversely affect namenode performance.{color}*
>
> {color:#172b4d}!image-2021-09-01-19-16-27-172.png|width=581,height=216!{color}
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