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https://issues.apache.org/jira/browse/HDFS-16293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17450565#comment-17450565
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Hadoop QA commented on HDFS-16293:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime ||  Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 15m 
45s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green}{color} | {color:green} No case conflicting files 
found. {color} |
| {color:green}+1{color} | {color:green} {color} | {color:green}  0m  0s{color} 
| {color:green}test4tests{color} | {color:green} The patch appears to include 1 
new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} || ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 12m 
35s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for 
branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 27m 
51s{color} | 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/branch-mvninstall-root.txt{color}
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| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs-project in trunk failed with JDK 
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| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs-project in trunk failed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
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{color:orange}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/buildtool-branch-checkstyle-hadoop-hdfs-project.txt{color}
 | {color:orange} The patch fails to run checkstyle in hadoop-hdfs-project 
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| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
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{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/branch-mvnsite-hadoop-hdfs-project_hadoop-hdfs-client.txt{color}
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| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs in trunk failed. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}  
2m 28s{color} | {color:green}{color} | {color:green} branch has no errors when 
building and testing our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
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{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-client-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt{color}
 | {color:red} hadoop-hdfs-client in trunk failed with JDK 
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| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs in trunk failed with JDK 
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| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs-client in trunk failed with JDK Private 
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| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
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 | {color:red} hadoop-hdfs in trunk failed with JDK Private 
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| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  5m 
28s{color} | {color:blue}{color} | {color:blue} Both FindBugs and SpotBugs are 
enabled, using SpotBugs. {color} |
| {color:red}-1{color} | {color:red} spotbugs {color} | {color:red}  0m 
32s{color} | 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/branch-spotbugs-hadoop-hdfs-project_hadoop-hdfs-client.txt{color}
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| {color:red}-1{color} | {color:red} spotbugs {color} | {color:red}  0m 
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|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
25s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for 
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| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
50s{color} | 
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 | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
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{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/patch-compile-hadoop-hdfs-project-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt{color}
 | {color:red} hadoop-hdfs-project in the patch failed with JDK 
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| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 24s{color} 
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{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/patch-compile-hadoop-hdfs-project-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt{color}
 | {color:red} hadoop-hdfs-project in the patch failed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
25s{color} | 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/patch-compile-hadoop-hdfs-project-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt{color}
 | {color:red} hadoop-hdfs-project in the patch failed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 25s{color} 
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{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/patch-compile-hadoop-hdfs-project-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt{color}
 | {color:red} hadoop-hdfs-project in the patch failed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 21s{color} | 
{color:orange}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/buildtool-patch-checkstyle-hadoop-hdfs-project.txt{color}
 | {color:orange} The patch fails to run checkstyle in hadoop-hdfs-project 
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| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
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| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
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| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/whitespace-eol.txt{color}
 | {color:red} The patch has 1 line(s) that end in whitespace. Use git apply 
--whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
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| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red}  3m 
42s{color} | {color:red}{color} | {color:red} patch has errors when building 
and testing our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
48s{color} | 
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/diff-javadoc-javadoc-hadoop-hdfs-project_hadoop-hdfs-client-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt{color}
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hadoop-hdfs-project_hadoop-hdfs-client-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
 with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 generated 99 new + 0 unchanged 
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hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 with 
JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 generated 99 new + 0 unchanged - 0 
fixed = 99 total (was 0) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  1m 
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hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
 with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 generated 1 new 
+ 0 unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:red}-1{color} | {color:red} spotbugs {color} | {color:red}  0m 
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|| || || || {color:brown} Other Tests {color} || ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
45s{color} | {color:green}{color} | {color:green} hadoop-hdfs-client in the 
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| {color:black}{color} | {color:black} {color} | {color:black}339m  6s{color} | 
{color:black}{color} | {color:black}{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.TestHDFSFileSystemContract |
|   | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailureWithRandomECPolicy |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/artifact/out/Dockerfile
 |
| JIRA Issue | HDFS-16293 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13036744/HDFS-16293.02.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient spotbugs checkstyle |
| uname | Linux 772a09a76b28 4.15.0-156-generic #163-Ubuntu SMP Thu Aug 19 
23:31:58 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 829af89dc42 |
| 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/PreCommit-HDFS-Build/741/testReport/ |
| Max. process+thread count | 3170 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client 
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output | 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/741/console |
| versions | git=2.25.1 maven=3.6.3 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |


This message was automatically generated.



> Client sleeps and holds 'dataQueue' when DataNodes are congested
> ----------------------------------------------------------------
>
>                 Key: HDFS-16293
>                 URL: https://issues.apache.org/jira/browse/HDFS-16293
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 3.2.2, 3.3.1, 3.2.3
>            Reporter: Yuanxin Zhu
>            Priority: Major
>         Attachments: HDFS-16293.01-branch-3.2.2.patch, HDFS-16293.01.patch, 
> HDFS-16293.02.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> When I open the ECN and use Terasort(500G data,8 DataNodes,76 vcores/DN) for 
> testing, DataNodes are congested(HDFS-8008). The client enters the sleep 
> state after receiving the ACK for many times, but does not release the 
> 'dataQueue'. The ResponseProcessor thread needs the 'dataQueue' to execute 
> 'ackQueue.getFirst()', so the ResponseProcessor will wait for the client to 
> release the 'dataQueue', which is equivalent to that the ResponseProcessor 
> thread also enters sleep, resulting in ACK delay.MapReduce tasks can be 
> delayed by tens of minutes or even hours.
> The DataStreamer thread can first execute 'one = dataQueue. getFirst()', 
> release 'dataQueue', and then judge whether to execute 'backOffIfNecessary()' 
> according to 'one.isHeartbeatPacket()'
>  



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