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https://issues.apache.org/jira/browse/HDFS-17311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17808549#comment-17808549
]
ASF GitHub Bot commented on HDFS-17311:
---------------------------------------
hadoop-yetus commented on PR #6392:
URL: https://github.com/apache/hadoop/pull/6392#issuecomment-1899992973
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 48s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 1s | | No case conflicting files
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| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available.
|
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
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| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
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|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 47m 0s | | trunk passed |
| +1 :green_heart: | compile | 0m 40s | | trunk passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | compile | 0m 35s | | trunk passed with JDK
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| +1 :green_heart: | javadoc | 0m 30s | | trunk passed with JDK
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| +1 :green_heart: | spotbugs | 1m 21s | | trunk passed |
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when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 0m 30s | | the patch passed |
| +1 :green_heart: | compile | 0m 33s | | the patch passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
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| +1 :green_heart: | checkstyle | 0m 18s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 31s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 28s | | the patch passed with JDK
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04 |
| +1 :green_heart: | javadoc | 0m 23s | | the patch passed with JDK
Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| +1 :green_heart: | spotbugs | 1m 20s | | the patch passed |
| +1 :green_heart: | shadedclient | 38m 0s | | patch has no errors
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|||| _ Other Tests _ |
| +1 :green_heart: | unit | 23m 2s | | hadoop-hdfs-rbf in the patch
passed. |
| +1 :green_heart: | asflicense | 0m 36s | | The patch does not
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| | | 161m 15s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.43 ServerAPI=1.43 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6392/4/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/6392 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux b5fd50417e95 5.15.0-88-generic #98-Ubuntu SMP Mon Oct 2
15:18:56 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 1867ce2130ea54cc7de7aaa03527b8ce601638a9 |
| Default Java | Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| Multi-JDK versions |
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/usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_392-8u392-ga-1~20.04-b08 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6392/4/testReport/ |
| Max. process+thread count | 2371 (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-6392/4/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: ConnectionManager creatorQueue should offer a pool that is not already
> in creatorQueue.
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-17311
> URL: https://issues.apache.org/jira/browse/HDFS-17311
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: liuguanghua
> Assignee: liuguanghua
> Priority: Major
> Labels: pull-request-available
>
> In the Router, find blow log
>
> 2023-12-29 15:18:54,799 ERROR
> org.apache.hadoop.hdfs.server.federation.router.ConnectionManager: Cannot add
> more than 2048 connections at the same time
>
> The log indicates that ConnectionManager.creatorQueue is full at a certain
> point. But my cluster does not have so many users cloud reach up 2048 pair of
> <user,nn>.
> This may be due to the following reasons:
> # ConnectionManager.creatorQueue is a queue that will be offered
> ConnectionPool if ConnectionContext is not enough.
> # ConnectionCreator thread will consume from creatorQueue and make more
> ConnectionContexts for a ConnectionPool.
> # Client will concurrent invoke for ConnectionManager.getConnection() for a
> same user. And this maybe lead to add many same ConnectionPool into
> ConnectionManager.creatorQueue.
> # When creatorQueue is full, a new ConnectionPool will not be added in
> successfully and log this error. This maybe lead to a really new
> ConnectionPool clould not produce more ConnectionContexts for new user.
> So this pr try to make creatorQueue will not add same ConnectionPool at once.
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