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ASF GitHub Bot commented on HDFS-17818: --------------------------------------- hadoop-yetus commented on PR #7862: URL: https://github.com/apache/hadoop/pull/7862#issuecomment-3171996306 :confetti_ball: **+1 overall** | Vote | Subsystem | Runtime | Logfile | Comment | |:----:|----------:|--------:|:--------:|:-------:| | +0 :ok: | reexec | 0m 18s | | 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 | 25m 59s | | trunk passed | | +1 :green_heart: | compile | 0m 44s | | trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 | | +1 :green_heart: | compile | 0m 39s | | trunk passed with JDK Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | +1 :green_heart: | checkstyle | 0m 37s | | trunk passed | | +1 :green_heart: | mvnsite | 0m 47s | | trunk passed | | +1 :green_heart: | javadoc | 0m 45s | | trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 | | +1 :green_heart: | javadoc | 1m 7s | | trunk passed with JDK Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | +1 :green_heart: | spotbugs | 1m 41s | | trunk passed | | +1 :green_heart: | shadedclient | 22m 4s | | branch has no errors when building and testing our client artifacts. | |||| _ Patch Compile Tests _ | | +1 :green_heart: | mvninstall | 0m 38s | | the patch passed | | +1 :green_heart: | compile | 0m 41s | | the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 | | +1 :green_heart: | javac | 0m 41s | | the patch passed | | +1 :green_heart: | compile | 0m 35s | | the patch passed with JDK Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | +1 :green_heart: | javac | 0m 35s | | the patch passed | | +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks issues. | | +1 :green_heart: | checkstyle | 0m 28s | | the patch passed | | +1 :green_heart: | mvnsite | 0m 39s | | the patch passed | | +1 :green_heart: | javadoc | 0m 34s | | the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 | | +1 :green_heart: | javadoc | 1m 3s | | the patch passed with JDK Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | +1 :green_heart: | spotbugs | 1m 42s | | the patch passed | | +1 :green_heart: | shadedclient | 22m 18s | | patch has no errors when building and testing our client artifacts. | |||| _ Other Tests _ | | +1 :green_heart: | unit | 109m 57s | | hadoop-hdfs in the patch passed. | | +1 :green_heart: | asflicense | 0m 30s | | The patch does not generate ASF License warnings. | | | | 193m 28s | | | | Subsystem | Report/Notes | |----------:|:-------------| | Docker | ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7862/2/artifact/out/Dockerfile | | GITHUB PR | https://github.com/apache/hadoop/pull/7862 | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets | | uname | Linux c407aa9d25a0 5.15.0-143-generic #153-Ubuntu SMP Fri Jun 13 19:10:45 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | dev-support/bin/hadoop.sh | | git revision | trunk / 49266a63d58a96c196a6347998158503e6fc5754 | | Default Java | Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-ga~us1-0ubuntu1~20.04-b09 | | Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7862/2/testReport/ | | Max. process+thread count | 3930 (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-7862/2/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. > Fix serial fsimage transfer during checkpoint with multiple namenodes > --------------------------------------------------------------------- > > Key: HDFS-17818 > URL: https://issues.apache.org/jira/browse/HDFS-17818 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 3.5.0 > Reporter: caozhiqiang > Assignee: caozhiqiang > Priority: Major > Labels: pull-request-available > > In our cluster, each namespace has four NameNodes: one active, one standby, > and two observers. When the standby NameNode performs a checkpoint, it > transfer the fsimage to the other three NameNodes. However, we found that > these transfer are performed serially. > The reason is that the corePoolSize in ThreadPoolExecutor is 0, and the > transfer task does not fill the LinkedBlockingQueue, resulting in only one > thread transfer the fsimage at a time. This greatly increases the checkpoint > time. > {code:java} > ExecutorService executor = new ThreadPoolExecutor(0, > activeNNAddresses.size(), 100, > TimeUnit.MILLISECONDS, new > LinkedBlockingQueue<Runnable>(activeNNAddresses.size()), > uploadThreadFactory); {code} > -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org