[jira] [Updated] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Adam Antal updated YARN-10393:
--
Attachment: YARN-10393-branch-2.10.001.patch
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5
>
> Attachments: YARN-10393-branch-2.10.001.patch,
> YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch, YARN-10393.002.patch,
> YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
>
[jira] [Commented] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209483#comment-17209483
]
Adam Antal commented on YARN-10393:
---
Reuploaded patch for branch-2.10, pending on jenkins.
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5
>
> Attachments: YARN-10393-branch-2.10.001.patch,
> YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch, YARN-10393.002.patch,
> YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at
[jira] [Commented] (YARN-10420) Update CS MappingRule documentation with the new format and features
[
https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209438#comment-17209438
]
Hadoop QA commented on YARN-10420:
--
| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m
41s{color} | | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | | {color:green} No case conflicting files found. {color} |
| {color:blue}0{color} | {color:blue} markdownlint {color} | {color:blue} 0m
0s{color} | | {color:blue} markdownlint was not available. {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:brown} trunk Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 30m
55s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
28s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
49m 28s{color} | | {color:green} branch has no errors when building and
testing our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
15s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
23s{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}
17m 44s{color} | | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
40s{color} | | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 70m 55s{color} |
| {color:black}{color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/216/artifact/out/Dockerfile
|
| JIRA Issue | YARN-10420 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13013181/YARN-10420-004.patch |
| Optional Tests | dupname asflicense mvnsite markdownlint |
| uname | Linux ada8bdb7db7e 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 16aea11c945c84936984e80241dcdd4a0d4b7f58 |
| Max. process+thread count | 308 (vs. ulimit of 5500) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site U:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site |
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/216/console |
| versions | git=2.17.1 maven=3.6.0 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> Update CS MappingRule documentation with the new format and features
>
>
> Key: YARN-10420
> URL: https://issues.apache.org/jira/browse/YARN-10420
> Project: Hadoop YARN
> Issue Type: Sub-task
>Reporter: Gergely Pollak
>Assignee: Peter Bacsko
>Priority: Major
> Attachments: YARN-10420-001.patch, YARN-10420-002.patch,
> YARN-10420-003.patch, YARN-10420-004.patch
>
>
> Update the upstream documentation with the new changes.
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[jira] [Updated] (YARN-10454) Add applicationName policy
[
https://issues.apache.org/jira/browse/YARN-10454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Peter Bacsko updated YARN-10454:
Description:
In YARN-10386, we defined several mapping "policies" which tells the evaluator
what to do with the submitted application.
There is one more which is useful: {{applicationName}}. Right now, we don't
have this policy and we have to use {{custom}} with the variable
{{%application}}, which is fine, but for the sake of completeness and
consistency, we should have a pre-defined policy which is based on the name of
the application.
> Add applicationName policy
> --
>
> Key: YARN-10454
> URL: https://issues.apache.org/jira/browse/YARN-10454
> Project: Hadoop YARN
> Issue Type: Sub-task
>Reporter: Peter Bacsko
>Assignee: Peter Bacsko
>Priority: Major
>
> In YARN-10386, we defined several mapping "policies" which tells the
> evaluator what to do with the submitted application.
> There is one more which is useful: {{applicationName}}. Right now, we don't
> have this policy and we have to use {{custom}} with the variable
> {{%application}}, which is fine, but for the sake of completeness and
> consistency, we should have a pre-defined policy which is based on the name
> of the application.
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[jira] [Updated] (YARN-10454) Add applicationName policy
[
https://issues.apache.org/jira/browse/YARN-10454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Peter Bacsko updated YARN-10454:
Attachment: YARN-10454-001.patch
> Add applicationName policy
> --
>
> Key: YARN-10454
> URL: https://issues.apache.org/jira/browse/YARN-10454
> Project: Hadoop YARN
> Issue Type: Sub-task
>Reporter: Peter Bacsko
>Assignee: Peter Bacsko
>Priority: Major
> Attachments: YARN-10454-001.patch
>
>
> In YARN-10386, we defined several mapping "policies" which tells the
> evaluator what to do with the submitted application.
> There is one more which is useful: {{applicationName}}. Right now, we don't
> have this policy and we have to use {{custom}} with the variable
> {{%application}}, which is fine, but for the sake of completeness and
> consistency, we should have a pre-defined policy which is based on the name
> of the application.
--
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[jira] [Updated] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-10420: Attachment: (was: YARN-10420-003.patch) > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-10420: Attachment: YARN-10420-004.patch > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-003.patch, YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Created] (YARN-10454) Add applicationName policy
Peter Bacsko created YARN-10454: --- Summary: Add applicationName policy Key: YARN-10454 URL: https://issues.apache.org/jira/browse/YARN-10454 Project: Hadoop YARN Issue Type: Sub-task Reporter: Peter Bacsko Assignee: Peter Bacsko -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209517#comment-17209517
]
Hadoop QA commented on YARN-10393:
--
| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 20m
39s{color} | | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | | {color:green} No case conflicting files found. {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-2.10 Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 21m
1s{color} | | {color:green} branch-2.10 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
25s{color} | | {color:green} branch-2.10 passed with JDK Oracle
Corporation-1.7.0_95-b00 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
19s{color} | | {color:green} branch-2.10 passed with JDK Private
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
40s{color} | | {color:green} branch-2.10 passed with JDK Oracle
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
38s{color} | | {color:green} branch-2.10 passed with JDK Private
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| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 2m
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
3s{color} | | {color:green} branch-2.10 passed {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
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Build-1.8.0_265-8u265-b01-0ubuntu2~16.04-b01 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
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| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 25s{color} |
[/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt|https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/217/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt]
| {color:orange}
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager:
The patch generated 3 new + 115 unchanged - 0 fixed = 118 total (was 115)
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
46s{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} javadoc {color} | {color:green} 0m
30s{color} | | {color:green} the patch passed with JDK Oracle
Corporation-1.7.0_95-b00 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
26s{color} | | {color:green} the patch passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~16.04-b01 {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
55s{color} | | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 18m
39s{color} | | {color:green} hadoop-yarn-server-nodemanager in the patch
passed.
[jira] [Reopened] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Adam Antal reopened YARN-10393:
---
Reopening the issue to trigger jenkins.
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5
>
> Attachments: YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch,
> YARN-10393.002.patch, YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> at
[jira] [Commented] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209398#comment-17209398 ] Peter Bacsko commented on YARN-10420: - I accidentally removed patch v3, so re-uploaded it, together with the newest version, patch v4. > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-003.patch, YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-10420) Update CS MappingRule documentation with the new format and features
[
https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209437#comment-17209437
]
Hadoop QA commented on YARN-10420:
--
| (/) *{color:green}+1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m
25s{color} | | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | | {color:green} No case conflicting files found. {color} |
| {color:blue}0{color} | {color:blue} markdownlint {color} | {color:blue} 0m
0s{color} | | {color:blue} markdownlint was not available. {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:brown} trunk Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 32m
16s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
28s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
50m 43s{color} | | {color:green} branch has no errors when building and
testing our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
15s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
23s{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}
18m 25s{color} | | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
|| || || || {color:brown} Other Tests {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} 72m 40s{color} |
| {color:black}{color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/215/artifact/out/Dockerfile
|
| JIRA Issue | YARN-10420 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13013179/YARN-10420-004.patch |
| Optional Tests | dupname asflicense mvnsite markdownlint |
| uname | Linux 344aeb6e73f0 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 16aea11c945c84936984e80241dcdd4a0d4b7f58 |
| Max. process+thread count | 309 (vs. ulimit of 5500) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site U:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site |
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-YARN-Build/215/console |
| versions | git=2.17.1 maven=3.6.0 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> Update CS MappingRule documentation with the new format and features
>
>
> Key: YARN-10420
> URL: https://issues.apache.org/jira/browse/YARN-10420
> Project: Hadoop YARN
> Issue Type: Sub-task
>Reporter: Gergely Pollak
>Assignee: Peter Bacsko
>Priority: Major
> Attachments: YARN-10420-001.patch, YARN-10420-002.patch,
> YARN-10420-003.patch, YARN-10420-004.patch
>
>
> Update the upstream documentation with the new changes.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
-
To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-10420: Attachment: YARN-10420-004.patch > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-003.patch, YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-10420: Attachment: (was: YARN-10420-004.patch) > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-003.patch, YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Updated] (YARN-10420) Update CS MappingRule documentation with the new format and features
[ https://issues.apache.org/jira/browse/YARN-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Peter Bacsko updated YARN-10420: Attachment: YARN-10420-003.patch > Update CS MappingRule documentation with the new format and features > > > Key: YARN-10420 > URL: https://issues.apache.org/jira/browse/YARN-10420 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Peter Bacsko >Priority: Major > Attachments: YARN-10420-001.patch, YARN-10420-002.patch, > YARN-10420-003.patch, YARN-10420-004.patch > > > Update the upstream documentation with the new changes. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209597#comment-17209597
]
Jim Brennan commented on YARN-10393:
Thanks [~adam.antal]!
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5, 2.10.2
>
> Attachments: YARN-10393-branch-2.10.001.patch,
> YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch, YARN-10393.002.patch,
> YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at
[jira] [Commented] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209595#comment-17209595
]
Adam Antal commented on YARN-10393:
---
Committed to branch-2.10. Thanks [~Jim_Brennan].
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5
>
> Attachments: YARN-10393-branch-2.10.001.patch,
> YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch, YARN-10393.002.patch,
> YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at
[jira] [Updated] (YARN-10393) MR job live lock caused by completed state container leak in heartbeat between node manager and RM
[
https://issues.apache.org/jira/browse/YARN-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Adam Antal updated YARN-10393:
--
Fix Version/s: 2.10.2
> MR job live lock caused by completed state container leak in heartbeat
> between node manager and RM
> --
>
> Key: YARN-10393
> URL: https://issues.apache.org/jira/browse/YARN-10393
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager, yarn
>Affects Versions: 2.6.1, 2.7.2, 2.6.2, 3.0.0, 2.9.2, 3.3.0, 3.2.1, 3.1.3,
> 3.4.0
>Reporter: zhenzhao wang
>Assignee: Jim Brennan
>Priority: Major
> Fix For: 3.0.4, 3.2.2, 3.4.0, 3.3.1, 3.1.5, 2.10.2
>
> Attachments: YARN-10393-branch-2.10.001.patch,
> YARN-10393-branch-2.10.001.patch, YARN-10393.001.patch, YARN-10393.002.patch,
> YARN-10393.draft.2.patch, YARN-10393.draft.patch
>
>
> This was a bug we had seen multiple times on Hadoop 2.6.2. And the following
> analysis is based on the core dump, logs, and code in 2017 with Hadoop 2.6.2.
> We hadn't seen it after 2.9 in our env. However, it was because of the RPC
> retry policy change and other changes. There's still a possibility even with
> the current code if I didn't miss anything.
> *High-level description:*
> We had seen a starving mapper issue several times. The MR job stuck in a
> live lock state and couldn't make any progress. The queue is full so the
> pending mapper can’t get any resource to continue, and the application master
> failed to preempt the reducer, thus causing the job to be stuck. The reason
> why the application master didn’t preempt the reducer was that there was a
> leaked container in assigned mappers. The node manager failed to report the
> completed container to the resource manager.
> *Detailed steps:*
>
> # Container_1501226097332_249991_01_000199 was assigned to
> attempt_1501226097332_249991_m_95_0 on 2017-08-08 16:00:00,417.
> {code:java}
> appmaster.log:6464:2017-08-08 16:00:00,417 INFO [RMCommunicator Allocator]
> org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Assigned
> container container_1501226097332_249991_01_000199 to
> attempt_1501226097332_249991_m_95_0
> {code}
> # The container finished on 2017-08-08 16:02:53,313.
> {code:java}
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
> Container container_1501226097332_249991_01_000199 transitioned from RUNNING
> to EXITED_WITH_SUCCESS
> yarn-mapred-nodemanager-.log.1:2017-08-08 16:02:53,313 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch:
> Cleaning up container container_1501226097332_249991_01_000199
> {code}
> # The NodeStatusUpdater go an exception in the heartbeat on 2017-08-08
> 16:07:04,238. In fact, the heartbeat request is actually handled by resource
> manager, however, the node manager failed to receive the response. Let’s
> assume the heartBeatResponseId=$hid in node manager. According to our current
> configuration, next heartbeat will be 10s later.
> {code:java}
> 2017-08-08 16:07:04,238 ERROR
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Caught
> exception in status-updater
> java.io.IOException: Failed on local exception: java.io.IOException:
> Connection reset by peer; Host Details : local host is: ; destination host
> is: XXX
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1472)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy33.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
> at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy34.nodeHeartbeat(Unknown Source)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:597)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.IOException: Connection reset by peer
> at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> at
[jira] [Updated] (YARN-10425) Replace the legacy placement engine in CS with the new one
[ https://issues.apache.org/jira/browse/YARN-10425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gergely Pollak updated YARN-10425: -- Attachment: YARN-10425.001.patch > Replace the legacy placement engine in CS with the new one > -- > > Key: YARN-10425 > URL: https://issues.apache.org/jira/browse/YARN-10425 > Project: Hadoop YARN > Issue Type: Sub-task >Reporter: Gergely Pollak >Assignee: Gergely Pollak >Priority: Major > Attachments: YARN-10425.001.patch > > > Remove the UserGroupMapping and ApplicationName mapping classes, and use the > new CSMappingPlacementRule instead. Also cleanup the orphan classes which are > used by these classes only. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-10454) Add applicationName policy
[
https://issues.apache.org/jira/browse/YARN-10454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209673#comment-17209673
]
Hadoop QA commented on YARN-10454:
--
| (x) *{color:red}-1 overall{color}* |
\\
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
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|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}115m 7s{color}
|
[jira] [Created] (YARN-10455) TestNMProxy.testNMProxyRPCRetry is not consistent
Ahmed Hussein created YARN-10455:
Summary: TestNMProxy.testNMProxyRPCRetry is not consistent
Key: YARN-10455
URL: https://issues.apache.org/jira/browse/YARN-10455
Project: Hadoop YARN
Issue Type: Bug
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
The fix in YARN-8844 may fail depending on the configuration of the machine
running the test.
In some cases the address gets resolved and the Unit throws a connection
timeout exception instead. In such scenario the JUnit times out the main reason
behind the failure is swallowed by the shutdown of the clients.
To make sure that the JUnit behavior is consistent, a suggested fix is to set
the host address to {{127.0.0.1:1}}. The latter will omit the probability of
collisions on non-privileged ports.
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[jira] [Commented] (YARN-10455) TestNMProxy.testNMProxyRPCRetry is not consistent
[
https://issues.apache.org/jira/browse/YARN-10455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17209995#comment-17209995
]
Hadoop QA commented on YARN-10455:
--
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| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
1s{color} | | {color:green} The patch does not contain any @author tags.
{color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
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test files. {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 31m
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[jira] [Updated] (YARN-9667) Container-executor.c duplicates messages to stdout
[
https://issues.apache.org/jira/browse/YARN-9667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Badger updated YARN-9667:
--
Attachment: YARN-9667-branch-3.2.001.patch
> Container-executor.c duplicates messages to stdout
> --
>
> Key: YARN-9667
> URL: https://issues.apache.org/jira/browse/YARN-9667
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager, yarn
>Affects Versions: 3.2.0
>Reporter: Adam Antal
>Assignee: Peter Bacsko
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9667-001.patch, YARN-9667-branch-3.2.001.patch
>
>
> When a container is killed by its AM we get a similar error message like this:
> {noformat}
> 2019-06-30 12:09:04,412 WARN
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor:
> Shell execution returned exit code: 143. Privileged Execution Operation
> Stderr:
> Stdout: main : command provided 1
> main : run as user is systest
> main : requested yarn user is systest
> Getting exit code file...
> Creating script paths...
> Writing pid file...
> Writing to tmp file
> /yarn/nm/nmPrivate/application_1561921629886_0001/container_e84_1561921629886_0001_01_19/container_e84_1561921629886_0001_01_19.pid.tmp
> Writing to cgroup task files...
> Creating local dirs...
> Launching container...
> Getting exit code file...
> Creating script paths...
> {noformat}
> In container-executor.c the fork point is right after the "Creating script
> paths..." part, though in the Stdout log we can clearly see it has been
> written there twice. After consulting with [~pbacsko] it seems like there's a
> missing flush in container-executor.c before the fork and that causes the
> duplication.
> I suggest to add a flush there so that it won't be duplicated: it's a bit
> misleading that the child process writes out "Getting exit code file" and
> "Creating script paths" even though it is clearly not doing that.
> A more appealing solution could be to revisit the fprintf-fflush pairs in the
> code and change them to a single call, so that the fflush calls would not be
> forgotten accidentally. (It can cause problems in every place where it's
> used).
> Note: this issue probably affects every occasion of fork(), not just the one
> from {{launch_container_as_user}} in {{main.c}}.
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[jira] [Updated] (YARN-10455) TestNMProxy.testNMProxyRPCRetry is not consistent
[
https://issues.apache.org/jira/browse/YARN-10455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ahmed Hussein updated YARN-10455:
-
Description:
The fix in YARN-8844 may fail depending on the configuration of the machine
running the test.
In some cases the address gets resolved and the Unit throws a connection
timeout exception instead. In such scenario the JUnit times out the main reason
behind the failure is swallowed by the shutdown of the clients.
To make sure that the JUnit behavior is consistent, a suggested fix is to set
the host address to {{127.0.0.1:1}}. The latter will omit the probability of
collisions on non-privileged ports.
Also, it is more correct to catch {{SocketException}} directly rather than
catching IOException with a check for not {{SocketException}}.
The stack trace with such failures:
{code:bash}
[INFO] Running
org.apache.hadoop.yarn.server.nodemanager.containermanager.TestNMProxy
[ERROR] Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 24.293
s <<< FAILURE! - in
org.apache.hadoop.yarn.server.nodemanager.containermanager.TestNMProxy
[ERROR]
testNMProxyRPCRetry(org.apache.hadoop.yarn.server.nodemanager.containermanager.TestNMProxy)
Time elapsed: 20.18 s <<< ERROR!
org.junit.runners.model.TestTimedOutException: test timed out after 2
milliseconds
at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at
org.apache.hadoop.net.SocketIOWithTimeout$SelectorPool.select(SocketIOWithTimeout.java:336)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:203)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:586)
at
org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:700)
at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:821)
at org.apache.hadoop.ipc.Client$Connection.access$3800(Client.java:413)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1645)
at org.apache.hadoop.ipc.Client.call(Client.java:1461)
at org.apache.hadoop.ipc.Client.call(Client.java:1414)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:234)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:119)
at com.sun.proxy.$Proxy24.startContainers(Unknown Source)
at
org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.startContainers(ContainerManagementProtocolPBClientImpl.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:431)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:166)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:158)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:96)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:362)
at com.sun.proxy.$Proxy25.startContainers(Unknown Source)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.TestNMProxy.testNMProxyRPCRetry(TestNMProxy.java:167)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
[INFO]
[INFO]
[jira] [Updated] (YARN-9667) Container-executor.c duplicates messages to stdout
[
https://issues.apache.org/jira/browse/YARN-9667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Badger updated YARN-9667:
--
Attachment: (was: YARN-5121-branch-3.2.001.patch)
> Container-executor.c duplicates messages to stdout
> --
>
> Key: YARN-9667
> URL: https://issues.apache.org/jira/browse/YARN-9667
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager, yarn
>Affects Versions: 3.2.0
>Reporter: Adam Antal
>Assignee: Peter Bacsko
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9667-001.patch
>
>
> When a container is killed by its AM we get a similar error message like this:
> {noformat}
> 2019-06-30 12:09:04,412 WARN
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor:
> Shell execution returned exit code: 143. Privileged Execution Operation
> Stderr:
> Stdout: main : command provided 1
> main : run as user is systest
> main : requested yarn user is systest
> Getting exit code file...
> Creating script paths...
> Writing pid file...
> Writing to tmp file
> /yarn/nm/nmPrivate/application_1561921629886_0001/container_e84_1561921629886_0001_01_19/container_e84_1561921629886_0001_01_19.pid.tmp
> Writing to cgroup task files...
> Creating local dirs...
> Launching container...
> Getting exit code file...
> Creating script paths...
> {noformat}
> In container-executor.c the fork point is right after the "Creating script
> paths..." part, though in the Stdout log we can clearly see it has been
> written there twice. After consulting with [~pbacsko] it seems like there's a
> missing flush in container-executor.c before the fork and that causes the
> duplication.
> I suggest to add a flush there so that it won't be duplicated: it's a bit
> misleading that the child process writes out "Getting exit code file" and
> "Creating script paths" even though it is clearly not doing that.
> A more appealing solution could be to revisit the fprintf-fflush pairs in the
> code and change them to a single call, so that the fflush calls would not be
> forgotten accidentally. (It can cause problems in every place where it's
> used).
> Note: this issue probably affects every occasion of fork(), not just the one
> from {{launch_container_as_user}} in {{main.c}}.
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[jira] [Reopened] (YARN-9667) Container-executor.c duplicates messages to stdout
[
https://issues.apache.org/jira/browse/YARN-9667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Badger reopened YARN-9667:
---
Re-opening so that we can pull this back to branch-3.2 and beyond. Hopefully
all the way back to 2.10
> Container-executor.c duplicates messages to stdout
> --
>
> Key: YARN-9667
> URL: https://issues.apache.org/jira/browse/YARN-9667
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager, yarn
>Affects Versions: 3.2.0
>Reporter: Adam Antal
>Assignee: Peter Bacsko
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9667-001.patch
>
>
> When a container is killed by its AM we get a similar error message like this:
> {noformat}
> 2019-06-30 12:09:04,412 WARN
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor:
> Shell execution returned exit code: 143. Privileged Execution Operation
> Stderr:
> Stdout: main : command provided 1
> main : run as user is systest
> main : requested yarn user is systest
> Getting exit code file...
> Creating script paths...
> Writing pid file...
> Writing to tmp file
> /yarn/nm/nmPrivate/application_1561921629886_0001/container_e84_1561921629886_0001_01_19/container_e84_1561921629886_0001_01_19.pid.tmp
> Writing to cgroup task files...
> Creating local dirs...
> Launching container...
> Getting exit code file...
> Creating script paths...
> {noformat}
> In container-executor.c the fork point is right after the "Creating script
> paths..." part, though in the Stdout log we can clearly see it has been
> written there twice. After consulting with [~pbacsko] it seems like there's a
> missing flush in container-executor.c before the fork and that causes the
> duplication.
> I suggest to add a flush there so that it won't be duplicated: it's a bit
> misleading that the child process writes out "Getting exit code file" and
> "Creating script paths" even though it is clearly not doing that.
> A more appealing solution could be to revisit the fprintf-fflush pairs in the
> code and change them to a single call, so that the fflush calls would not be
> forgotten accidentally. (It can cause problems in every place where it's
> used).
> Note: this issue probably affects every occasion of fork(), not just the one
> from {{launch_container_as_user}} in {{main.c}}.
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[jira] [Updated] (YARN-9667) Container-executor.c duplicates messages to stdout
[
https://issues.apache.org/jira/browse/YARN-9667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Badger updated YARN-9667:
--
Attachment: YARN-5121-branch-3.2.001.patch
> Container-executor.c duplicates messages to stdout
> --
>
> Key: YARN-9667
> URL: https://issues.apache.org/jira/browse/YARN-9667
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager, yarn
>Affects Versions: 3.2.0
>Reporter: Adam Antal
>Assignee: Peter Bacsko
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9667-001.patch
>
>
> When a container is killed by its AM we get a similar error message like this:
> {noformat}
> 2019-06-30 12:09:04,412 WARN
> org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor:
> Shell execution returned exit code: 143. Privileged Execution Operation
> Stderr:
> Stdout: main : command provided 1
> main : run as user is systest
> main : requested yarn user is systest
> Getting exit code file...
> Creating script paths...
> Writing pid file...
> Writing to tmp file
> /yarn/nm/nmPrivate/application_1561921629886_0001/container_e84_1561921629886_0001_01_19/container_e84_1561921629886_0001_01_19.pid.tmp
> Writing to cgroup task files...
> Creating local dirs...
> Launching container...
> Getting exit code file...
> Creating script paths...
> {noformat}
> In container-executor.c the fork point is right after the "Creating script
> paths..." part, though in the Stdout log we can clearly see it has been
> written there twice. After consulting with [~pbacsko] it seems like there's a
> missing flush in container-executor.c before the fork and that causes the
> duplication.
> I suggest to add a flush there so that it won't be duplicated: it's a bit
> misleading that the child process writes out "Getting exit code file" and
> "Creating script paths" even though it is clearly not doing that.
> A more appealing solution could be to revisit the fprintf-fflush pairs in the
> code and change them to a single call, so that the fflush calls would not be
> forgotten accidentally. (It can cause problems in every place where it's
> used).
> Note: this issue probably affects every occasion of fork(), not just the one
> from {{launch_container_as_user}} in {{main.c}}.
--
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[jira] [Updated] (YARN-10455) TestNMProxy.testNMProxyRPCRetry is not consistent
[
https://issues.apache.org/jira/browse/YARN-10455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ahmed Hussein updated YARN-10455:
-
Description:
The fix in YARN-8844 may fail depending on the configuration of the machine
running the test.
In some cases the address gets resolved and the Unit throws a connection
timeout exception instead. In such scenario the JUnit times out the main reason
behind the failure is swallowed by the shutdown of the clients.
To make sure that the JUnit behavior is consistent, a suggested fix is to set
the host address to {{127.0.0.1:1}}. The latter will omit the probability of
collisions on non-privileged ports.
Also, it is more correct to catch {{SocketException}} directly rather than
catching IOException with a check for not {{SocketException}}.
was:
The fix in YARN-8844 may fail depending on the configuration of the machine
running the test.
In some cases the address gets resolved and the Unit throws a connection
timeout exception instead. In such scenario the JUnit times out the main reason
behind the failure is swallowed by the shutdown of the clients.
To make sure that the JUnit behavior is consistent, a suggested fix is to set
the host address to {{127.0.0.1:1}}. The latter will omit the probability of
collisions on non-privileged ports.
> TestNMProxy.testNMProxyRPCRetry is not consistent
> -
>
> Key: YARN-10455
> URL: https://issues.apache.org/jira/browse/YARN-10455
> Project: Hadoop YARN
> Issue Type: Bug
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
>
> The fix in YARN-8844 may fail depending on the configuration of the machine
> running the test.
> In some cases the address gets resolved and the Unit throws a connection
> timeout exception instead. In such scenario the JUnit times out the main
> reason behind the failure is swallowed by the shutdown of the clients.
> To make sure that the JUnit behavior is consistent, a suggested fix is to set
> the host address to {{127.0.0.1:1}}. The latter will omit the probability of
> collisions on non-privileged ports.
> Also, it is more correct to catch {{SocketException}} directly rather than
> catching IOException with a check for not {{SocketException}}.
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