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https://issues.apache.org/jira/browse/HDFS-17290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17801949#comment-17801949
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ASF GitHub Bot commented on HDFS-17290:
---------------------------------------
hadoop-yetus commented on PR #6359:
URL: https://github.com/apache/hadoop/pull/6359#issuecomment-1874656850
:confetti_ball: **+1 overall**
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|||| _ trunk Compile Tests _ |
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|||| _ Patch Compile Tests _ |
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| +1 :green_heart: | compile | 9m 14s | | the patch passed with JDK
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issues. |
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[/results-checkstyle-hadoop-common-project_hadoop-common.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6359/12/artifact/out/results-checkstyle-hadoop-common-project_hadoop-common.txt)
| hadoop-common-project/hadoop-common: The patch generated 2 new + 215
unchanged - 0 fixed = 217 total (was 215) |
| +1 :green_heart: | mvnsite | 0m 49s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 32s | | the patch passed with JDK
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| +1 :green_heart: | javadoc | 0m 25s | | the patch passed with JDK
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| +1 :green_heart: | spotbugs | 1m 37s | | the patch passed |
| +1 :green_heart: | shadedclient | 21m 22s | | patch has no errors
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|||| _ Other Tests _ |
| +1 :green_heart: | unit | 15m 51s | | hadoop-common in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 34s | | The patch does not
generate ASF License warnings. |
| | | 147m 12s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.43 ServerAPI=1.43 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6359/12/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/6359 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
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|
| uname | Linux 84f1b153d50d 5.15.0-88-generic #98-Ubuntu SMP Mon Oct 2
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| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
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| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6359/12/testReport/ |
| Max. process+thread count | 3150 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common U:
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| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6359/12/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.
> HDFS: add client rpc backoff metrics due to disconnection from lowest
> priority queue
> ------------------------------------------------------------------------------------
>
> Key: HDFS-17290
> URL: https://issues.apache.org/jira/browse/HDFS-17290
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.10.0, 3.4.0
> Reporter: Lei Yang
> Assignee: Lei Yang
> Priority: Major
> Labels: pull-request-available
>
> Clients are backoff when rpcs cannot be enqueued. However there are different
> scenarios when backoff could happen. Currently there is no way to
> differenciate whether a backoff happened due to lowest prio+disconnection or
> queue overflow from higher priority queues when connection between client and
> namenode remains open. Currently IPC server just emits a single metrics for
> all the backoffs.
> Example:
> # Client are directly enqueued into lowest priority queue and backoff when
> lowest queue is full. Client are expected to disconnect from namenode.
> # Client are enqueued into non-lowest priority queue and overflowed all the
> way down to lowest priority queue and back off. In this case, connection
> between client and namenode remains open.
> We would like to add metrics for #1
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