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https://issues.apache.org/jira/browse/HDFS-17026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17726833#comment-17726833
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ASF GitHub Bot commented on HDFS-17026:
---------------------------------------
hadoop-yetus commented on PR #5691:
URL: https://github.com/apache/hadoop/pull/5691#issuecomment-1565630817
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 49s | | Docker mode activated. |
|||| _ Prechecks _ |
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| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
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|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 33m 15s | | trunk passed |
| +1 :green_heart: | compile | 0m 41s | | trunk passed with JDK
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| +1 :green_heart: | compile | 0m 38s | | trunk passed with JDK
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| +1 :green_heart: | shadedclient | 20m 41s | | branch has no errors
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|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 30s | | the patch passed |
| +1 :green_heart: | compile | 0m 32s | | the patch passed with JDK
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| +1 :green_heart: | javac | 0m 32s | | the patch passed |
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| +1 :green_heart: | javac | 0m 29s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 0m 17s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 31s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 28s | | the patch passed with JDK
Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1 |
| +1 :green_heart: | javadoc | 0m 24s | | the patch passed with JDK
Private Build-1.8.0_362-8u372-ga~us1-0ubuntu1~20.04-b09 |
| +1 :green_heart: | spotbugs | 1m 15s | | the patch passed |
| +1 :green_heart: | shadedclient | 20m 32s | | patch has no errors
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|||| _ Other Tests _ |
| +1 :green_heart: | unit | 22m 8s | | hadoop-hdfs-rbf in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 40s | | The patch does not
generate ASF License warnings. |
| | | 110m 33s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.43 ServerAPI=1.43 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5691/5/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/5691 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets xmllint |
| uname | Linux 0dd49994fd7a 4.15.0-206-generic #217-Ubuntu SMP Fri Feb 3
19:10:13 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 71626bd53b7d6c1e044c404c4516f81541ae8994 |
| Default Java | Private Build-1.8.0_362-8u372-ga~us1-0ubuntu1~20.04-b09 |
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| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5691/5/testReport/ |
| Max. process+thread count | 2696 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-rbf U:
hadoop-hdfs-project/hadoop-hdfs-rbf |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5691/5/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
This message was automatically generated.
> RBF: NamenodeHeartbeatService should update JMX report with configurable
> frequency
> ----------------------------------------------------------------------------------
>
> Key: HDFS-17026
> URL: https://issues.apache.org/jira/browse/HDFS-17026
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: Hector Sandoval Chaverri
> Priority: Major
> Labels: pull-request-available
>
> The NamenodeHeartbeatService currently calls each of the Namenode's JMX
> endpoint every time it wakes up (default value is every 5 seconds).
> In a cluster with 40 routers, we have observed service degradation on some of
> the Namenodes, since the JMX request obtains Datanode status and blocks
> other RPC requests. However, JMX report data doesn't seem to be used for
> critical paths on the routers.
> We should configure the NamenodeHeartbeatService so it updates the JMX
> reports on a slower frequency than the Namenode states or to disable the
> reports completely.
> The class calls out the JMX request being optional even though there is no
> implementation to turn it off:
> {noformat}
> // Read the stats from JMX (optional)
> updateJMXParameters(webAddress, report);{noformat}
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