[ https://issues.apache.org/jira/browse/YARN-5677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15550481#comment-15550481 ]
Hadoop QA commented on YARN-5677: --------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 21s {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 23s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 41s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 19s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 0s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 34s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 32s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 32s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 19s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 37s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {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} findbugs {color} | {color:green} 1m 4s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 40m 16s {color} | {color:green} hadoop-yarn-server-resourcemanager in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 25s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 56m 3s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:9560f25 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12831836/YARN-5677.003.patch | | JIRA Issue | YARN-5677 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux 2d8435242594 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29 20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / e68c7b9 | | Default Java | 1.8.0_101 | | findbugs | v3.0.0 | | Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/13300/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/13300/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > RM can be in active-active state for an extended period > ------------------------------------------------------- > > Key: YARN-5677 > URL: https://issues.apache.org/jira/browse/YARN-5677 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager > Affects Versions: 3.0.0-alpha1 > Reporter: Daniel Templeton > Assignee: Daniel Templeton > Priority: Critical > Attachments: YARN-5677.001.patch, YARN-5677.002.patch, > YARN-5677.003.patch > > > In trunk, there is no maximum number of retries that I see. It appears the > connection will be retried forever, with the active never figuring out it's > no longer active. In my testing, the active-active state lasted almost 2 > hours with no sign of stopping before I killed it. The solution appears to > be to cap the number of retries or amount of time spent retrying. > This issue is significant because of the asynchronous nature of job > submission. If the active doesn't know it's not active, it will buffer up > job submissions until it finally realizes it has become the standby. Then it > will fail all the job submissions in bulk. In high-volume workflows, that > behavior can create huge mass job failures. > This issue is also important because the node managers will not fail over to > the new active until the old active realizes it's the standby. Workloads > submitted after the old active loses contact with ZK will therefore fail to > be executed regardless of which RM the clients contact. -- 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