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Hadoop QA commented on YARN-5540: --------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 23s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 1 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 38s {color} | {color:green} branch-2.7 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 25s {color} | {color:green} branch-2.7 passed with JDK v1.8.0_101 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 27s {color} | {color:green} branch-2.7 passed with JDK v1.7.0_111 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color} | {color:green} branch-2.7 passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 36s {color} | {color:green} branch-2.7 passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color} | {color:green} branch-2.7 passed {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 3s {color} | {color:red} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager in branch-2.7 has 1 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 19s {color} | {color:green} branch-2.7 passed with JDK v1.8.0_101 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} | {color:green} branch-2.7 passed with JDK v1.7.0_111 {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 27s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 23s {color} | {color:green} the patch passed with JDK v1.8.0_101 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 23s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 25s {color} | {color:green} the patch passed with JDK v1.7.0_111 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 25s {color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 16s {color} | {color:red} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager: The patch generated 2 new + 176 unchanged - 5 fixed = 178 total (was 181) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 30s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s {color} | {color:red} The patch has 2295 line(s) that end in whitespace. Use git apply --whitespace=fix. {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 59s {color} | {color:red} The patch 74 line(s) with tabs. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 11s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 15s {color} | {color:green} the patch passed with JDK v1.8.0_101 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 22s {color} | {color:green} the patch passed with JDK v1.7.0_111 {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 48m 52s {color} | {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK v1.8.0_101. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 50m 6s {color} | {color:red} hadoop-yarn-server-resourcemanager in the patch failed with JDK v1.7.0_111. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 17s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 117m 28s {color} | {color:black} {color} | \\ \\ || Reason || Tests || | JDK v1.8.0_101 Failed junit tests | hadoop.yarn.server.resourcemanager.TestAMAuthorization | | | hadoop.yarn.server.resourcemanager.TestClientRMTokens | | JDK v1.7.0_111 Failed junit tests | hadoop.yarn.server.resourcemanager.TestAMAuthorization | | | hadoop.yarn.server.resourcemanager.TestClientRMTokens | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:c420dfe | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12828862/YARN-5540-branch-2.7.004.patch | | JIRA Issue | YARN-5540 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux 0dbf15753e25 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18 21:21:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | branch-2.7 / a8b7817 | | Default Java | 1.7.0_111 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_101 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_111 | | findbugs | v3.0.0 | | findbugs | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-warnings.html | | checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt | | whitespace | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/whitespace-eol.txt | | whitespace | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/whitespace-tabs.txt | | unit | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_101.txt | | unit | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_111.txt | | unit test logs | https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_101.txt https://builds.apache.org/job/PreCommit-YARN-Build/13124/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_111.txt | | JDK v1.7.0_111 Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/13124/testReport/ | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/13124/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > scheduler spends too much time looking at empty priorities > ---------------------------------------------------------- > > Key: YARN-5540 > URL: https://issues.apache.org/jira/browse/YARN-5540 > Project: Hadoop YARN > Issue Type: Improvement > Components: capacity scheduler, fairscheduler, resourcemanager > Affects Versions: 2.7.2 > Reporter: Nathan Roberts > Assignee: Jason Lowe > Attachments: YARN-5540-branch-2.7.004.patch, > YARN-5540-branch-2.8.004.patch, YARN-5540.001.patch, YARN-5540.002.patch, > YARN-5540.003.patch, YARN-5540.004.patch > > > We're starting to see the capacity scheduler run out of scheduling horsepower > when running 500-1000 applications on clusters with 4K nodes or so. > This seems to be amplified by TEZ applications. TEZ applications have many > more priorities (sometimes in the hundreds) than typical MR applications and > therefore the loop in the scheduler which examines every priority within > every running application, starts to be a hotspot. The priorities appear to > stay around forever, even when there is no remaining resource request at that > priority causing us to spend a lot of time looking at nothing. > jstack snippet: > {noformat} > "ResourceManager Event Processor" #28 prio=5 os_prio=0 tid=0x00007fc2d453e800 > nid=0x22f3 runnable [0x00007fc2a8be2000] > java.lang.Thread.State: RUNNABLE > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.getResourceRequest(SchedulerApplicationAttempt.java:210) > - eliminated <0x00000005e73e5dc0> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:852) > - locked <0x00000005e73e5dc0> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp) > - locked <0x00000003006fcf60> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:527) > - locked <0x00000003001b22f8> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:415) > - locked <0x00000003001b22f8> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainersToNode(CapacityScheduler.java:1224) > - locked <0x0000000300041e40> (a > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org