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https://issues.apache.org/jira/browse/HDFS-16200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17407748#comment-17407748
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Hadoop QA commented on HDFS-16200:
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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} 17m
20s{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} No case conflicting files found. {color} |
| {color:blue}0{color} | {color:blue} codespell {color} | {color:blue} 0m
1s{color} | | {color:blue} codespell was not available. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | | {color:green} The patch does not contain any @author tags.
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| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{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} 33m
58s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
25s{color} | | {color:green} trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
15s{color} | | {color:green} trunk passed with JDK Private
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
1s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
21s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
55s{color} | | {color:green} trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
23s{color} | | {color:green} trunk passed with JDK Private
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green} 3m
18s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
18m 57s{color} | | {color:green} branch has no errors when building and
testing our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 1m
10s{color} |
[/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 1m
16s{color} |
[/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt]
| {color:red} hadoop-hdfs in the patch failed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 1m 16s{color}
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[/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04.txt]
| {color:red} hadoop-hdfs 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} 1m
9s{color} |
[/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt]
| {color:red} hadoop-hdfs 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} 1m 9s{color}
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[/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdkPrivateBuild-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10.txt]
| {color:red} hadoop-hdfs in the patch failed with JDK Private
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10. {color} |
| {color:green}+1{color} | {color:green} blanks {color} | {color:green} 0m
0s{color} | | {color:green} The patch has no blanks issues. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 53s{color} |
[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 7 new +
251 unchanged - 0 fixed = 258 total (was 251) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 1m
11s{color} |
[/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
49s{color} | | {color:green} the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
16s{color} | | {color:green} the patch passed with JDK Private
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:red}-1{color} | {color:red} spotbugs {color} | {color:red} 1m
7s{color} |
[/patch-spotbugs-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-spotbugs-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red} 10m
31s{color} | | {color:red} patch has errors when building and testing our
client artifacts. {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 1m 11s{color}
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[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
28s{color} | | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 95m 53s{color} |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3364/1/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3364 |
| JIRA Issue | HDFS-16200 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 6c7469dc1717 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14
16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / d5b7747181115060f5912294122802934b42a493 |
| 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-3364/1/testReport/ |
| Max. process+thread count | 522 (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-3364/1/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 |
This message was automatically generated.
> Improve NameNode failover
> -------------------------
>
> Key: HDFS-16200
> URL: https://issues.apache.org/jira/browse/HDFS-16200
> Project: Hadoop HDFS
> Issue Type: Task
> Components: namanode
> Affects Versions: 2.8.2
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In a busy cluster, we are noticing the NameNode failover takes longer time
> (over 10 minutes) and it causes cluster down time during the time period.
> One bottleneck locates in resolving the client host's topology when the
> cluster is not colocated with the computing hosts. NameNode resolves the
> client host's topology and uses it to sort the hosts where the blocks locate
> in. Such topology will be cached so the next access will be efficient, while
> if the standby NameNode is newly restarted, then all the client hosts, e.g.,
> YARN hosts need to be resolved.
> Solutions can be: 1) we can expose an API in DFSAdmin to load topology cache,
> or 2) we can add a new configuration in HDFS cluster to skip resolving
> topology for non-colocated HDFS cluster. Since client hosts and HDFS hosts
> are not colocated, it's unnecessary to sort the DataNodes for the clients.
>
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