[
https://issues.apache.org/jira/browse/HDFS-16613?focusedWorklogId=780532&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-780532
]
ASF GitHub Bot logged work on HDFS-16613:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jun/22 18:06
Start Date: 11/Jun/22 18:06
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on PR #4398:
URL: https://github.com/apache/hadoop/pull/4398#issuecomment-1152974229
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 40s | | 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: | detsecrets | 0m 1s | | detect-secrets 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 | 38m 8s | | trunk passed |
| +1 :green_heart: | compile | 1m 34s | | trunk passed with JDK
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | compile | 1m 32s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 1m 22s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 44s | | trunk passed |
| -1 :x: | javadoc | 1m 19s |
[/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/3/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt)
| hadoop-hdfs in trunk failed with JDK Private
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1. |
| +1 :green_heart: | javadoc | 1m 45s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 49s | | trunk passed |
| +1 :green_heart: | shadedclient | 23m 2s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 24s | | the patch passed |
| +1 :green_heart: | compile | 1m 22s | | the patch passed with JDK
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 |
| +1 :green_heart: | javac | 1m 22s | | the patch passed |
| +1 :green_heart: | compile | 1m 24s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | javac | 1m 24s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 1m 2s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 27s | | the patch passed |
| -1 :x: | javadoc | 0m 58s |
[/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/3/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-11.0.15+10-Ubuntu-0ubuntu0.20.04.1.txt)
| hadoop-hdfs in the patch failed with JDK Private
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1. |
| +1 :green_heart: | javadoc | 1m 31s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 41s | | the patch passed |
| +1 :green_heart: | shadedclient | 22m 51s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 254m 24s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 1m 4s | | The patch does not
generate ASF License warnings. |
| | | 363m 25s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/4398 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 452125d8a7ec 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / fcc0e3fdf43fbf7853e5cc1e1b61633881ac4d84 |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Private
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4398/3/testReport/ |
| Max. process+thread count | 3343 (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-4398/3/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
This message was automatically generated.
Issue Time Tracking
-------------------
Worklog Id: (was: 780532)
Time Spent: 1h 20m (was: 1h 10m)
> EC: Improve performance of decommissioning dn with many ec blocks
> -----------------------------------------------------------------
>
> Key: HDFS-16613
> URL: https://issues.apache.org/jira/browse/HDFS-16613
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ec, erasure-coding, namenode
> Affects Versions: 3.4.0
> Reporter: caozhiqiang
> Assignee: caozhiqiang
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2022-06-07-11-46-42-389.png,
> image-2022-06-07-17-42-16-075.png, image-2022-06-07-17-45-45-316.png,
> image-2022-06-07-17-51-04-876.png, image-2022-06-07-17-55-40-203.png,
> image-2022-06-08-11-38-29-664.png, image-2022-06-08-11-41-11-127.png
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> In a hdfs cluster with a lot of EC blocks, decommission a dn is very slow.
> The reason is unlike replication blocks can be replicated from any dn which
> has the same block replication, the ec block have to be replicated from the
> decommissioning dn.
> The configurations dfs.namenode.replication.max-streams and
> dfs.namenode.replication.max-streams-hard-limit will limit the replication
> speed, but increase these configurations will create risk to the whole
> cluster's network. So it should add a new configuration to limit the
> decommissioning dn, distinguished from the cluster wide max-streams limit.
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