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https://issues.apache.org/jira/browse/HDFS-16070?focusedWorklogId=611489&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-611489
]
ASF GitHub Bot logged work on HDFS-16070:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jun/21 17:38
Start Date: 15/Jun/21 17:38
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3105:
URL: https://github.com/apache/hadoop/pull/3105#issuecomment-861702037
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 32s | | 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 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 31m 50s | | trunk passed |
| +1 :green_heart: | compile | 1m 23s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 1m 18s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 3s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 23s | | trunk passed |
| +1 :green_heart: | javadoc | 0m 56s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 28s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 9s | | trunk passed |
| +1 :green_heart: | shadedclient | 16m 28s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 12s | | the patch passed |
| +1 :green_heart: | compile | 1m 16s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 1m 16s | | the patch passed |
| +1 :green_heart: | compile | 1m 9s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | javac | 1m 9s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 53s | | the patch passed |
| +1 :green_heart: | mvnsite | 1m 17s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 47s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 22s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 3m 9s | | the patch passed |
| +1 :green_heart: | shadedclient | 16m 5s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| -1 :x: | unit | 230m 24s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3105/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 0m 47s | | The patch does not
generate ASF License warnings. |
| | | 315m 42s | | |
| 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-3105/2/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3105 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 21d8dd3a42bb 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22
16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 417e6e97aba14db285cb401a87a888018684946b |
| 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-3105/2/testReport/ |
| Max. process+thread count | 3346 (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-3105/2/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: 611489)
Time Spent: 1h 50m (was: 1h 40m)
> DataTransfer block storm when datanode's io is busy.
> ----------------------------------------------------
>
> Key: HDFS-16070
> URL: https://issues.apache.org/jira/browse/HDFS-16070
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.3.0, 3.2.1
> Reporter: zhengchenyu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> When I speed up the decommission, I found that some datanode's io is busy,
> then I found host's load is very high, and ten thousands data transfer thread
> are running.
> Then I find log like below.
> {code}
> # setup datatranfer log
> 2021-06-08 13:42:37,620 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> DatanodeRegistration(10.201.4.49:9866,
> datanodeUuid=6c55b7cb-f8ef-445b-9cca-d82b5b077ed1, infoPort=9864,
> infoSecurePort=0, ipcPort=9867,
> storageInfo=lv=-57;cid=CID-37e80bd5-733a-4d7b-ba3d-b46269573c72;nsid=215490653;c=1584525570797)
> Starting thread to transfer
> BP-852924019-10.201.1.32-1584525570797:blk_-9223372036449848858_30963611 to
> 10.201.7.52:9866
> 2021-06-08 13:52:36,345 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> DatanodeRegistration(10.201.4.49:9866,
> datanodeUuid=6c55b7cb-f8ef-445b-9cca-d82b5b077ed1, infoPort=9864,
> infoSecurePort=0, ipcPort=9867,
> storageInfo=lv=-57;cid=CID-37e80bd5-733a-4d7b-ba3d-b46269573c72;nsid=215490653;c=1584525570797)
> Starting thread to transfer
> BP-852924019-10.201.1.32-1584525570797:blk_-9223372036449848858_30963611 to
> 10.201.7.31:9866
> 2021-06-08 14:02:37,197 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> DatanodeRegistration(10.201.4.49:9866,
> datanodeUuid=6c55b7cb-f8ef-445b-9cca-d82b5b077ed1, infoPort=9864,
> infoSecurePort=0, ipcPort=9867,
> storageInfo=lv=-57;cid=CID-37e80bd5-733a-4d7b-ba3d-b46269573c72;nsid=215490653;c=1584525570797)
> Starting thread to transfer
> BP-852924019-10.201.1.32-1584525570797:blk_-9223372036449848858_30963611 to
> 10.201.16.50:9866
> # datatranfer done log
> 2021-06-08 13:54:08,134 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> DataTransfer, at bd-tz1-hadoop-004049.zeus.lianjia.com:9866: Transmitted
> BP-852924019-10.201.1.32-1584525570797:blk_-9223372036449848858_30963611
> (numBytes=7457424) to /10.201.7.52:9866
> 2021-06-08 14:10:47,170 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> DataTransfer, at bd-tz1-hadoop-004049.zeus.lianjia.com:9866: Transmitted
> BP-852924019-10.201.1.32-1584525570797:blk_-9223372036449848858_30963611
> (numBytes=7457424) to /10.201.16.50:9866
> {code}
> You will see last datatranfser thread was done on 13:54:08, but next
> datatranfser was start at 13:52:36.
> If datatranfser was not done in 10min(pending timeout + check interval), then
> next datatranfser for same block will be running. Then disk and network are
> heavy.
> Note: decommission ec block will trigger this problem easily, becuase every
> ec internal block are unique.
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