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https://issues.apache.org/jira/browse/HDFS-15798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17274210#comment-17274210
]
Hadoop QA commented on HDFS-15798:
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m
5s{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} @author {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch does not contain any
@author tags. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m
31s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
19s{color} | {color:green}{color} | {color:green} trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
17s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private
Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
0s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
24s{color} | {color:green}{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
15m 32s{color} | {color:green}{color} | {color:green} branch has no errors when
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
52s{color} | {color:green}{color} | {color:green} trunk passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
29s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private
Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 3m
14s{color} | {color:blue}{color} | {color:blue} Used deprecated FindBugs
config; considering switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
11s{color} | {color:green}{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
10s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
14s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
14s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
6s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
6s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
51s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
16s{color} | {color:green}{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch has no whitespace
issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
15m 5s{color} | {color:green}{color} | {color:green} patch has no errors when
building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
30s{color} | {color:green}{color} | {color:green} the patch passed with JDK
Private Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
28s{color} | {color:green}{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}196m 56s{color}
|
{color:red}https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/435/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt{color}
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
44s{color} | {color:green}{color} | {color:green} The patch does not generate
ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}274m 25s{color} |
{color:black}{color} | {color:black}{color} |
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|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
| | hadoop.hdfs.server.balancer.TestBalancer |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/435/artifact/out/Dockerfile
|
| JIRA Issue | HDFS-15798 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13019595/HDFS-15798.002.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux 03beac1cd99e 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 | personality/hadoop.sh |
| git revision | trunk / fa15594ae60 |
| Default Java | Private Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.9.1+1-Ubuntu-0ubuntu1.20.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_275-8u275-b01-0ubuntu1~20.04-b01 |
| Test Results |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/435/testReport/ |
| Max. process+thread count | 3196 (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/PreCommit-HDFS-Build/435/console |
| versions | git=2.25.1 maven=3.6.3 findbugs=4.0.6 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> EC: Reconstruct task failed, and It would be XmitsInProgress of DN has
> negative number
> --------------------------------------------------------------------------------------
>
> Key: HDFS-15798
> URL: https://issues.apache.org/jira/browse/HDFS-15798
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: huhaiyang
> Assignee: huhaiyang
> Priority: Major
> Attachments: HDFS-15798.001.patch, HDFS-15798.002.patch
>
>
> The EC reconstruct task failed, and the decrementXmitsInProgress of
> processErasureCodingTasks operation abnormal value ;
> It would be XmitsInProgress of DN has negative number, it affects NN chooses
> pending tasks based on the ratio between the lengths of replication and
> erasure-coded block queues.
> {code:java}
> // 1.ErasureCodingWorker.java
> public void processErasureCodingTasks(
> Collection<BlockECReconstructionInfo> ecTasks) {
> for (BlockECReconstructionInfo reconInfo : ecTasks) {
> int xmitsSubmitted = 0;
> try {
> ...
> // It may throw IllegalArgumentException from task#stripedReader
> // constructor.
> final StripedBlockReconstructor task =
> new StripedBlockReconstructor(this, stripedReconInfo);
> if (task.hasValidTargets()) {
> // See HDFS-12044. We increase xmitsInProgress even the task is only
> // enqueued, so that
> // 1) NN will not send more tasks than what DN can execute and
> // 2) DN will not throw away reconstruction tasks, and instead keeps
> // an unbounded number of tasks in the executor's task queue.
> xmitsSubmitted = Math.max((int)(task.getXmits() * xmitWeight), 1);
> getDatanode().incrementXmitsInProcess(xmitsSubmitted); // task start
> increment
> stripedReconstructionPool.submit(task);
> } else {
> LOG.warn("No missing internal block. Skip reconstruction for task:{}",
> reconInfo);
> }
> } catch (Throwable e) {
> getDatanode().decrementXmitsInProgress(xmitsSubmitted); // task failed
> decrement, XmitsInProgress is decremented by the previous value
> LOG.warn("Failed to reconstruct striped block {}",
> reconInfo.getExtendedBlock().getLocalBlock(), e);
> }
> }
> }
> // 2.StripedBlockReconstructor.java
> public void run() {
> try {
> initDecoderIfNecessary();
> ...
> } catch (Throwable e) {
> LOG.warn("Failed to reconstruct striped block: {}", getBlockGroup(), e);
> getDatanode().getMetrics().incrECFailedReconstructionTasks();
> } finally {
> float xmitWeight = getErasureCodingWorker().getXmitWeight();
> // if the xmits is smaller than 1, the xmitsSubmitted should be set to 1
> // because if it set to zero, we cannot to measure the xmits submitted
> int xmitsSubmitted = Math.max((int) (getXmits() * xmitWeight), 1);
> getDatanode().decrementXmitsInProgress(xmitsSubmitted); // task complete
> decrement
> ...
> }
> }{code}
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