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Hadoop QA commented on YARN-9011: --------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 36s{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 14 new or modified test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 51s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m 21s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 52s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 19s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 29s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 14m 42s{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} 2m 3s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 14s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 8s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 7s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 7s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 1m 14s{color} | {color:orange} hadoop-yarn-project/hadoop-yarn: The patch generated 1 new + 562 unchanged - 3 fixed = 563 total (was 565) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 22s{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} 12m 19s{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} 2m 12s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 85m 13s{color} | {color:green} hadoop-yarn-server-resourcemanager in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 25m 38s{color} | {color:green} hadoop-yarn-client in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 38s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}185m 55s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=19.03.2 Server=19.03.2 Image:yetus/hadoop:39e82acc485 | | JIRA Issue | YARN-9011 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12980422/YARN-9011-004.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 43a4d061ddbd 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 56f042c | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_212 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/24799/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt | | Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/24799/testReport/ | | Max. process+thread count | 812 (vs. ulimit of 5500) | | modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client U: hadoop-yarn-project/hadoop-yarn | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/24799/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > Race condition during decommissioning > ------------------------------------- > > Key: YARN-9011 > URL: https://issues.apache.org/jira/browse/YARN-9011 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 3.1.1 > Reporter: Peter Bacsko > Assignee: Peter Bacsko > Priority: Major > Attachments: YARN-9011-001.patch, YARN-9011-002.patch, > YARN-9011-003.patch, YARN-9011-004.patch > > > During internal testing, we found a nasty race condition which occurs during > decommissioning. > Node manager, incorrect behaviour: > {noformat} > 2018-06-18 21:00:17,634 WARN > org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Received > SHUTDOWN signal from Resourcemanager as part of heartbeat, hence shutting > down. > 2018-06-18 21:00:17,634 WARN > org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Message from > ResourceManager: Disallowed NodeManager nodeId: node-6.hostname.com:8041 > hostname:node-6.hostname.com > {noformat} > Node manager, expected behaviour: > {noformat} > 2018-06-18 21:07:37,377 WARN > org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Received > SHUTDOWN signal from Resourcemanager as part of heartbeat, hence shutting > down. > 2018-06-18 21:07:37,377 WARN > org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Message from > ResourceManager: DECOMMISSIONING node-6.hostname.com:8041 is ready to be > decommissioned > {noformat} > Note the two different messages from the RM ("Disallowed NodeManager" vs > "DECOMMISSIONING"). The problem is that {{ResourceTrackerService}} can see an > inconsistent state of nodes while they're being updated: > {noformat} > 2018-06-18 21:00:17,575 INFO > org.apache.hadoop.yarn.server.resourcemanager.NodesListManager: hostsReader > include:{172.26.12.198,node-7.hostname.com,node-2.hostname.com,node-5.hostname.com,172.26.8.205,node-8.hostname.com,172.26.23.76,172.26.22.223,node-6.hostname.com,172.26.9.218,node-4.hostname.com,node-3.hostname.com,172.26.13.167,node-9.hostname.com,172.26.21.221,172.26.10.219} > exclude:{node-6.hostname.com} > 2018-06-18 21:00:17,575 INFO > org.apache.hadoop.yarn.server.resourcemanager.NodesListManager: Gracefully > decommission node node-6.hostname.com:8041 with state RUNNING > 2018-06-18 21:00:17,575 INFO > org.apache.hadoop.yarn.server.resourcemanager.ResourceTrackerService: > Disallowed NodeManager nodeId: node-6.hostname.com:8041 node: > node-6.hostname.com > 2018-06-18 21:00:17,576 INFO > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl: Put Node > node-6.hostname.com:8041 in DECOMMISSIONING. > 2018-06-18 21:00:17,575 INFO > org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=yarn > IP=172.26.22.115 OPERATION=refreshNodes TARGET=AdminService > RESULT=SUCCESS > 2018-06-18 21:00:17,577 INFO > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl: Preserve > original total capability: <memory:8192, vCores:8> > 2018-06-18 21:00:17,577 INFO > org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl: > node-6.hostname.com:8041 Node Transitioned from RUNNING to DECOMMISSIONING > {noformat} > When the decommissioning succeeds, there is no output logged from > {{ResourceTrackerService}}. -- This message was sent by Atlassian Jira (v8.3.2#803003) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org