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Hadoop QA commented on YARN-8789: --------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 28s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {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 8 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 18s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 37s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 31s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 3m 52s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m 16s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 18m 34s{color} | {color:green} branch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 29s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 6s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 20s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 21s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m 54s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m 54s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 3m 47s{color} | {color:orange} root: The patch generated 10 new + 814 unchanged - 11 fixed = 824 total (was 825) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 50s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 9m 28s{color} | {color:green} patch has no errors when building and testing our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 52s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 33s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 5m 0s{color} | {color:red} hadoop-yarn-common in the patch failed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red}155m 26s{color} | {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 4m 8s{color} | {color:green} hadoop-mapreduce-client-core in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 11m 9s{color} | {color:red} hadoop-mapreduce-client-app in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 41s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}277m 25s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.yarn.event.TestAsyncDispatcher | | | hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueManagementDynamicEditPolicy | | | hadoop.yarn.server.resourcemanager.TestOpportunisticContainerAllocatorAMService | | | hadoop.mapreduce.v2.app.TestKill | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 | | JIRA Issue | YARN-8789 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12940618/YARN-8789.3.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 0336c051048b 4.4.0-133-generic #159-Ubuntu SMP Fri Aug 10 07:31:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 429a07e | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_181 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/21910/artifact/out/diff-checkstyle-root.txt | | unit | https://builds.apache.org/job/PreCommit-YARN-Build/21910/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common.txt | | unit | https://builds.apache.org/job/PreCommit-YARN-Build/21910/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt | | unit | https://builds.apache.org/job/PreCommit-YARN-Build/21910/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt | | Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/21910/testReport/ | | Max. process+thread count | 953 (vs. ulimit of 10000) | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U: . | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/21910/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > Add BoundedQueue to AsyncDispatcher > ----------------------------------- > > Key: YARN-8789 > URL: https://issues.apache.org/jira/browse/YARN-8789 > Project: Hadoop YARN > Issue Type: Improvement > Components: applications > Affects Versions: 3.2.0 > Reporter: BELUGA BEHR > Assignee: BELUGA BEHR > Priority: Major > Attachments: YARN-8789.1.patch, YARN-8789.2.patch, YARN-8789.3.patch > > > I recently came across a scenario where an MR ApplicationMaster was failing > with an OOM exception. It had many thousands of Mappers and thousands of > Reducers. It was noted that in the logging that the event-queue of > {{AsyncDispatcher}} had a very large number of item in it and was seemingly > never decreasing. > I started looking at the code and thought it could use some clean up, > simplification, and the ability to specify a bounded queue so that any > incoming events are throttled until they can be processed. This will protect > the ApplicationMaster from a flood of events. > Logging Message: > Size of event-queue is xxx -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org