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https://issues.apache.org/jira/browse/MAPREDUCE-6514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981359#comment-14981359
]
Hadoop QA commented on MAPREDUCE-6514:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 6s
{color} | {color:blue} docker + precommit patch detected. {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} 3m
30s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s
{color} | {color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 19s
{color} | {color:green} trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
12s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
45s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s
{color} | {color:green} trunk passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s
{color} | {color:green} trunk passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
21s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 15s
{color} | {color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 15s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 17s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
10s {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:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s
{color} | {color:green} the patch passed with JDK v1.8.0_60 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 18s
{color} | {color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 9m 42s {color}
| {color:red} hadoop-mapreduce-client-app in the patch failed with JDK
v1.8.0_60. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 10m 9s {color}
| {color:red} hadoop-mapreduce-client-app in the patch failed with JDK
v1.7.0_79. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 22s
{color} | {color:red} Patch generated 7 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 29m 45s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.7.0_79 Failed junit tests | hadoop.mapreduce.v2.app.TestRecovery |
| | hadoop.mapreduce.jobhistory.TestJobHistoryEventHandler |
| | hadoop.mapreduce.jobhistory.TestJobHistoryEventHandler |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.7.1 Server=1.7.1
Image:test-patch-base-hadoop-date2015-10-29 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12769614/MAPREDUCE-6514.01.patch
|
| JIRA Issue | MAPREDUCE-6514 |
| Optional Tests | asflicense javac javadoc mvninstall unit findbugs
checkstyle compile |
| uname | Linux 1f4486852554 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-MAPREDUCE-Build/patchprocess/apache-yetus-c3a2069/precommit/personality/hadoop.sh
|
| git revision | trunk / 58d1df5 |
| Default Java | 1.7.0_79 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_60
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_79 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.8.0_60.txt
|
| unit |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.7.0_79.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.8.0_60.txt
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app-jdk1.7.0_79.txt
|
| JDK v1.7.0_79 Test Results |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U:
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app |
| Max memory used | 226MB |
| Powered by | Apache Yetus http://yetus.apache.org |
| Console output |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6099/console |
This message was automatically generated.
> Job hangs as ask is not updated after ramping down of all reducers
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-6514
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6514
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Affects Versions: 2.7.1
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Priority: Critical
> Attachments: MAPREDUCE-6514.01.patch
>
>
> In RMContainerAllocator#preemptReducesIfNeeded, we simply clear the scheduled
> reduces map and put these reducers to pending. This is not updated in ask. So
> RM keeps on assigning and AM is not able to assign as no reducer is
> scheduled(check logs below the code).
> If this is updated immediately, RM will be able to schedule mappers
> immediately which anyways is the intention when we ramp down reducers.
> Scheduler need not allocate for ramped down reducers
> This if not handled can lead to map starvation as pointed out in
> MAPREDUCE-6513
> {code}
> LOG.info("Ramping down all scheduled reduces:"
> + scheduledRequests.reduces.size());
> for (ContainerRequest req : scheduledRequests.reduces.values()) {
> pendingReduces.add(req);
> }
> scheduledRequests.reduces.clear();
> {code}
> {noformat}
> 2015-10-13 04:55:04,912 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Container not
> assigned : container_1437451211867_1485_01_000215
> 2015-10-13 04:55:04,912 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Cannot assign
> container Container: [ContainerId: container_1437451211867_1485_01_000216,
> NodeId: hdszzdcxdat6g06u04p:26009, NodeHttpAddress:
> hdszzdcxdat6g06u04p:26010, Resource: <memory:4096, vCores:1>, Priority: 10,
> Token: Token { kind: ContainerToken, service: 10.2.33.236:26009 }, ] for a
> reduce as either container memory less than required 4096 or no pending
> reduce tasks - reduces.isEmpty=true
> 2015-10-13 04:55:04,912 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Container not
> assigned : container_1437451211867_1485_01_000216
> 2015-10-13 04:55:04,912 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Cannot assign
> container Container: [ContainerId: container_1437451211867_1485_01_000217,
> NodeId: hdszzdcxdat6g06u06p:26009, NodeHttpAddress:
> hdszzdcxdat6g06u06p:26010, Resource: <memory:4096, vCores:1>, Priority: 10,
> Token: Token { kind: ContainerToken, service: 10.2.33.239:26009 }, ] for a
> reduce as either container memory less than required 4096 or no pending
> reduce tasks - reduces.isEmpty=true
> {noformat}
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