[ https://issues.apache.org/jira/browse/HDFS-17216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17770979#comment-17770979 ]
ASF GitHub Bot commented on HDFS-17216: --------------------------------------- hadoop-yetus commented on PR #6138: URL: https://github.com/apache/hadoop/pull/6138#issuecomment-1742449037 :broken_heart: **-1 overall** | Vote | Subsystem | Runtime | Logfile | Comment | |:----:|----------:|--------:|:--------:|:-------:| | +0 :ok: | reexec | 0m 36s | | 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. | | +0 :ok: | xmllint | 0m 0s | | xmllint 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 | 44m 55s | | trunk passed | | +1 :green_heart: | compile | 0m 32s | | trunk passed with JDK Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 | | +1 :green_heart: | compile | 0m 29s | | trunk passed with JDK Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | +1 :green_heart: | checkstyle | 0m 29s | | trunk passed | | +1 :green_heart: | mvnsite | 0m 33s | | trunk passed | | +1 :green_heart: | javadoc | 0m 33s | | trunk passed with JDK Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 | | +1 :green_heart: | javadoc | 0m 30s | | trunk passed with JDK Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | +1 :green_heart: | spotbugs | 0m 51s | | trunk passed | | +1 :green_heart: | shadedclient | 35m 40s | | branch has no errors when building and testing our client artifacts. | |||| _ Patch Compile Tests _ | | +1 :green_heart: | mvninstall | 0m 26s | | the patch passed | | +1 :green_heart: | compile | 0m 24s | | the patch passed with JDK Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 | | +1 :green_heart: | javac | 0m 24s | | the patch passed | | +1 :green_heart: | compile | 0m 21s | | the patch passed with JDK Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | +1 :green_heart: | javac | 0m 21s | | the patch passed | | -1 :x: | blanks | 0m 0s | [/blanks-eol.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6138/2/artifact/out/blanks-eol.txt) | The patch has 1 line(s) that end in blanks. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply | | +1 :green_heart: | checkstyle | 0m 18s | | the patch passed | | +1 :green_heart: | mvnsite | 0m 24s | | the patch passed | | +1 :green_heart: | javadoc | 0m 23s | | the patch passed with JDK Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 | | +1 :green_heart: | javadoc | 0m 21s | | the patch passed with JDK Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | +1 :green_heart: | spotbugs | 0m 49s | | the patch passed | | +1 :green_heart: | shadedclient | 32m 51s | | patch has no errors when building and testing our client artifacts. | |||| _ Other Tests _ | | +1 :green_heart: | unit | 24m 11s | | hadoop-distcp in the patch passed. | | +1 :green_heart: | asflicense | 0m 41s | | The patch does not generate ASF License warnings. | | | | 150m 55s | | | | Subsystem | Report/Notes | |----------:|:-------------| | Docker | ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6138/2/artifact/out/Dockerfile | | GITHUB PR | https://github.com/apache/hadoop/pull/6138 | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient codespell detsecrets xmllint spotbugs checkstyle | | uname | Linux a7fc653274fa 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | dev-support/bin/hadoop.sh | | git revision | trunk / f124fd01fbcc21e72bc626f764b7cce8e49aeee5 | | Default Java | Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.20+8-post-Ubuntu-1ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_382-8u382-ga-1~20.04.1-b05 | | Test Results | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6138/2/testReport/ | | Max. process+thread count | 558 (vs. ulimit of 5500) | | modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp | | Console output | https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6138/2/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. > When distcp handle the small files, the bandwidth parameter will be invalid, > resulting in serious overspeed behavior > -------------------------------------------------------------------------------------------------------------------- > > Key: HDFS-17216 > URL: https://issues.apache.org/jira/browse/HDFS-17216 > Project: Hadoop HDFS > Issue Type: Bug > Components: distcp > Affects Versions: 3.3.4 > Reporter: xiaojunxiang > Priority: Major > Labels: pull-request-available > Attachments: DiscpAnalyze.jpg > > > When distcp copies small files (file size slightly smaller than the > bandwidth), the throbber only starts to throb after 1 second, and the > throttled is specific to a single file. so the throbber becomes invalid, > causing distcp to fill the cluster bandwidth and crush production traffic, > which is a terrible thing. -- 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