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https://issues.apache.org/jira/browse/YARN-9011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16976799#comment-16976799
]
Hadoop QA commented on YARN-9011:
---------------------------------
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 8m
22s{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 1 new or modified test
files. {color} |
|| || || || {color:brown} branch-3.2 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m
16s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
26s{color} | {color:green} branch-3.2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m
35s{color} | {color:green} branch-3.2 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
15s{color} | {color:green} branch-3.2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
9s{color} | {color:green} branch-3.2 passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 1s{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} 3m
0s{color} | {color:green} branch-3.2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
49s{color} | {color:green} branch-3.2 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
22s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m
1s{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}
11m 40s{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} 3m
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
46s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
41s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 70m 20s{color}
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
47s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}187m 0s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests |
hadoop.yarn.server.resourcemanager.metrics.TestSystemMetricsPublisherForV2 |
| |
hadoop.yarn.server.resourcemanager.metrics.TestCombinedSystemMetricsPublisher |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.5 Server=19.03.5 Image:yetus/hadoop:63396beab41 |
| JIRA Issue | YARN-9011 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12986126/YARN-9011-branch-3.2.001.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux c632febb0e47 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 | branch-3.2 / bcca712 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_222 |
| findbugs | v3.1.0-RC1 |
| unit |
https://builds.apache.org/job/PreCommit-YARN-Build/25191/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/25191/testReport/ |
| Max. process+thread count | 1414 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
U: . |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/25191/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, YARN-9011-005.patch,
> YARN-9011-006.patch, YARN-9011-007.patch, YARN-9011-008.patch,
> YARN-9011-009.patch, YARN-9011-branch-3.2.001.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}}.
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