[ https://issues.apache.org/jira/browse/YARN-9927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314467#comment-17314467 ]
Hadoop QA commented on YARN-9927: --------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Logfile || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m 19s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || || | {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m 0s{color} | {color:green}{color} | {color:green} No case conflicting files found. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green}{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} {color} | {color:green} 0m 0s{color} | {color:green}test4tests{color} | {color:green} The patch appears to include 2 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 43s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m 11s{color} | {color:green}{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 0s{color} | {color:green}{color} | {color:green} trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m 17s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 44s{color} | {color:green}{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 42s{color} | {color:green}{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 20m 6s{color} | {color:green}{color} | {color:green} branch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 13s{color} | {color:green}{color} | {color:green} trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 26s{color} | {color:green}{color} | {color:green} trunk passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} | | {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 30m 38s{color} | {color:blue}{color} | {color:blue} Both FindBugs and SpotBugs are enabled, using SpotBugs. {color} | | {color:green}+1{color} | {color:green} spotbugs {color} | {color:green} 5m 58s{color} | {color:green}{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 21s{color} | {color:blue}{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 6s{color} | {color:green}{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 9m 14s{color} | {color:green}{color} | {color:green} the patch passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 9m 14s{color} | {color:green}{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m 16s{color} | {color:green}{color} | {color:green} the patch passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 8m 16s{color} | {color:green}{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 1m 39s{color} | {color:orange}https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/892/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt{color} | {color:orange} hadoop-yarn-project/hadoop-yarn: The patch generated 2 new + 276 unchanged - 0 fixed = 278 total (was 276) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 33s{color} | {color:green}{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green}{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 15m 18s{color} | {color:green}{color} | {color:green} patch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 9s{color} | {color:green}{color} | {color:green} the patch passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 20s{color} | {color:green}{color} | {color:green} the patch passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 {color} | | {color:green}+1{color} | {color:green} spotbugs {color} | {color:green} 6m 32s{color} | {color:green}{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 57s{color} | {color:green}{color} | {color:green} hadoop-yarn-api in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 4m 39s{color} | {color:green}{color} | {color:green} hadoop-yarn-common in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green}114m 38s{color} | {color:green}{color} | {color:green} hadoop-yarn-server-resourcemanager in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 43s{color} | {color:green}{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}248m 57s{color} | {color:black}{color} | {color:black}{color} | \\ \\ || Subsystem || Report/Notes || | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/892/artifact/out/Dockerfile | | JIRA Issue | YARN-9927 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/13023383/YARN-9927.003.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle spotbugs | | uname | Linux 87c7a78c2b33 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | personality/hadoop.sh | | git revision | trunk / 96e410a1275 | | Default Java | Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 | | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 | | Test Results | https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/892/testReport/ | | Max. process+thread count | 823 (vs. ulimit of 5500) | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn | | Console output | https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/892/console | | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 | | Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org | This message was automatically generated. > RM multi-thread event processing mechanism > ------------------------------------------ > > Key: YARN-9927 > URL: https://issues.apache.org/jira/browse/YARN-9927 > Project: Hadoop YARN > Issue Type: Sub-task > Components: yarn > Affects Versions: 3.0.0, 2.9.2 > Reporter: hcarrot > Assignee: Qi Zhu > Priority: Major > Attachments: RM multi-thread event processing mechanism.pdf, > YARN-9927.001.patch, YARN-9927.002.patch, YARN-9927.003.patch > > > Recently, we have observed serious event blocking in RM event dispatcher > queue. After analysis of RM event monitoring data and RM event processing > logic, we found that > 1) environment: a cluster with thousands of nodes > 2) RMNodeStatusEvent dominates 90% time consumption of RM event scheduler > 3) Meanwhile, RM event processing is in a single-thread mode, and It results > in the low headroom of RM event scheduler, thus performance of RM. > So we proposed a RM multi-thread event processing mechanism to improve RM > performance. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org