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https://issues.apache.org/jira/browse/HDFS-16043?focusedWorklogId=705219&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-705219
]
ASF GitHub Bot logged work on HDFS-16043:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Jan/22 19:50
Start Date: 07/Jan/22 19:50
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3063:
URL: https://github.com/apache/hadoop/pull/3063#issuecomment-1007691626
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 17m 24s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | 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 15 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 36m 1s | | trunk passed |
| +1 :green_heart: | compile | 1m 29s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | compile | 1m 20s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | checkstyle | 1m 3s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 27s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 7s | | trunk passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 27s | | trunk passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 21s | | trunk passed |
| +1 :green_heart: | shadedclient | 25m 50s | | 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 23s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +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_312-8u312-b07-0ubuntu1~20.04-b07 |
| +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 59s |
[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3063/16/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs-project/hadoop-hdfs: The patch generated 5 new + 641 unchanged
- 2 fixed = 646 total (was 643) |
| +1 :green_heart: | mvnsite | 1m 21s | | the patch passed |
| +1 :green_heart: | xml | 0m 1s | | The patch has no ill-formed XML
file. |
| +1 :green_heart: | javadoc | 0m 56s | | the patch passed with JDK
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04 |
| +1 :green_heart: | javadoc | 1m 23s | | the patch passed with JDK
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| +1 :green_heart: | spotbugs | 3m 27s | | the patch passed |
| +1 :green_heart: | shadedclient | 25m 24s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 326m 45s | | hadoop-hdfs in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 39s | | The patch does not
generate ASF License warnings. |
| | | 452m 19s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3063/16/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3063 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell xml |
| uname | Linux 682c3d1a5f67 4.15.0-162-generic #170-Ubuntu SMP Mon Oct 18
11:38:05 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 91c8940eb635d76135e4e8ed033af11ad9a880fd |
| Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04
/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-3063/16/testReport/ |
| Max. process+thread count | 2433 (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-3063/16/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: 705219)
Time Spent: 7h (was: 6h 50m)
> Add markedDeleteBlockScrubberThread to delete blocks asynchronously
> -------------------------------------------------------------------
>
> Key: HDFS-16043
> URL: https://issues.apache.org/jira/browse/HDFS-16043
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs, namanode
> Affects Versions: 3.4.0
> Reporter: Xiangyi Zhu
> Assignee: Xiangyi Zhu
> Priority: Major
> Labels: pull-request-available
> Attachments: 20210527-after.svg, 20210527-before.svg
>
> Time Spent: 7h
> Remaining Estimate: 0h
>
> The deletion of the large directory caused NN to hold the lock for too long,
> which caused our NameNode to be killed by ZKFC.
> Through the flame graph, it is found that its main time-consuming
> calculation is QuotaCount when removingBlocks(toRemovedBlocks) and deleting
> inodes, and removeBlocks(toRemovedBlocks) takes a higher proportion of time.
> h3. solution:
> 1. RemoveBlocks is processed asynchronously. A thread is started in the
> BlockManager to process the deleted blocks and control the lock time.
> 2. QuotaCount calculation optimization, this is similar to the optimization
> of this Issue HDFS-16000.
> h3. Comparison before and after optimization:
> Delete 1000w Inode and 1000w block test.
> *before:*
> remove inode elapsed time: 7691 ms
> remove block elapsed time :11107 ms
> *after:*
> remove inode elapsed time: 4149 ms
> remove block elapsed time :0 ms
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