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Posted to yarn-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/10/12 05:02:00 UTC
[jira] [Commented] (YARN-11997) Serialize concurrent Docker image pulls by image name
[ https://issues.apache.org/jira/browse/YARN-11997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18126182#comment-18126182 ]
ASF GitHub Bot commented on YARN-11997:
---------------------------------------
hadoop-yetus commented on PR #8767:
URL: https://github.com/apache/hadoop/pull/8767#issuecomment-6118059983
:confetti_ball: **+1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 35s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to include 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +1 :green_heart: | mvninstall | 45m 46s | | trunk passed |
| +1 :green_heart: | compile | 1m 38s | | trunk passed with JDK Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | compile | 1m 41s | | trunk passed with JDK Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | checkstyle | 1m 10s | | trunk passed |
| +1 :green_heart: | mvnsite | 1m 13s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 9s | | trunk passed with JDK Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javadoc | 1m 6s | | trunk passed with JDK Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | spotbugs | 1m 57s | | trunk passed |
| +1 :green_heart: | shadedclient | 29m 42s | | branch has no errors when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +1 :green_heart: | mvninstall | 1m 8s | | the patch passed |
| +1 :green_heart: | compile | 1m 7s | | the patch passed with JDK Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javac | 1m 7s | | the patch passed |
| +1 :green_heart: | compile | 1m 7s | | the patch passed with JDK Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | javac | 1m 7s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. |
| +1 :green_heart: | checkstyle | 0m 34s | | the patch passed |
| +1 :green_heart: | mvnsite | 0m 43s | | the patch passed |
| +1 :green_heart: | javadoc | 0m 35s | | the patch passed with JDK Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu |
| +1 :green_heart: | javadoc | 0m 35s | | the patch passed with JDK Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| +1 :green_heart: | spotbugs | 1m 35s | | the patch passed |
| +1 :green_heart: | shadedclient | 28m 37s | | patch has no errors when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 26m 37s | | hadoop-yarn-server-nodemanager in the patch passed. |
| +1 :green_heart: | asflicense | 0m 36s | | The patch does not generate ASF License warnings. |
| | | 150m 33s | | |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.56 ServerAPI=1.56 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8767/2/artifact/out/Dockerfile |
| GITHUB PR | https://github.com/apache/hadoop/pull/8767 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
| uname | Linux 5940669b9a4e 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 600af1657335d391660ccefcb7cebe714b197ba6 |
| Default Java | Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| Multi-JDK versions | /usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.12.1+1-1-24.04.4-Ubuntu /usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.20.1+1-1-24.04-Ubuntu |
| Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8767/2/testReport/ |
| Max. process+thread count | 639 (vs. ulimit of 10000) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager |
| Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8767/2/console |
| versions | git=2.43.0 maven=3.9.15 spotbugs=4.9.7 |
| Powered by | Apache Yetus 0.14.1 https://yetus.apache.org |
This message was automatically generated.
> Serialize concurrent Docker image pulls by image name
> -----------------------------------------------------
>
> Key: YARN-11997
> URL: https://issues.apache.org/jira/browse/YARN-11997
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Reporter: Yuan Luo
> Priority: Major
> Labels: pull-request-available
>
> h3. Problem
> When multiple containers request the same Docker image at the same time, each NodeManager launch thread can invoke a separate {{docker pull}} command for that image. These duplicate pulls contend on the same image and perform redundant work.
> Pulls for different images do not need to block one another.
> h3. Proposed fix
> Serialize concurrent Docker pulls by image name. Use a per-image lock with reference counting so that:
> * pulls for the same image execute one at a time;
> * pulls for different images can execute concurrently;
> * unused locks are removed after the last waiter finishes;
> * locks are released when a pull fails.
> h3. Tests
> Add focused coverage for:
> * concurrent pulls for the same image are serialized;
> * concurrent pulls for different images run in parallel;
> * a failed pull releases its image lock.
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