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https://issues.apache.org/jira/browse/YARN-261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14950020#comment-14950020
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Hadoop QA commented on YARN-261:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  24m  9s | Pre-patch trunk has 1 extant 
Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 6 new or modified test files. |
| {color:green}+1{color} | javac |   8m 20s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m 38s | There were no new javadoc 
warning messages. |
| {color:red}-1{color} | release audit |   0m 19s | The applied patch generated 
1 release audit warnings. |
| {color:red}-1{color} | checkstyle |   3m  2s | The applied patch generated  5 
new checkstyle issues (total was 33, now 38). |
| {color:red}-1{color} | whitespace |   0m 36s | The patch has 27  line(s) that 
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 39s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |  10m 36s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | mapreduce tests | 110m 33s | Tests failed in 
hadoop-mapreduce-client-jobclient. |
| {color:green}+1{color} | yarn tests |   0m 31s | Tests passed in 
hadoop-yarn-api. |
| {color:green}+1{color} | yarn tests |   7m  7s | Tests passed in 
hadoop-yarn-client. |
| {color:green}+1{color} | yarn tests |   2m  7s | Tests passed in 
hadoop-yarn-common. |
| {color:green}+1{color} | yarn tests |   8m 57s | Tests passed in 
hadoop-yarn-server-nodemanager. |
| {color:green}+1{color} | yarn tests |  56m 39s | Tests passed in 
hadoop-yarn-server-resourcemanager. |
| | | 246m 43s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.mapreduce.v2.TestRMNMInfo |
|   | hadoop.mapred.TestNetworkedJob |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12765524/0002-YARN-261.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / e1bf8b3 |
| Pre-patch Findbugs warnings | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/trunkFindbugsWarningshadoop-yarn-server-nodemanager.html
 |
| Release Audit | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/patchReleaseAuditProblems.txt
 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/diffcheckstylehadoop-yarn-api.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/whitespace.txt
 |
| hadoop-mapreduce-client-jobclient test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-mapreduce-client-jobclient.txt
 |
| hadoop-yarn-api test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-yarn-api.txt
 |
| hadoop-yarn-client test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-yarn-client.txt
 |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| hadoop-yarn-server-nodemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
 |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 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 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/9387/console |


This message was automatically generated.

> Ability to fail AM attempts
> ---------------------------
>
>                 Key: YARN-261
>                 URL: https://issues.apache.org/jira/browse/YARN-261
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: api
>    Affects Versions: 2.0.3-alpha
>            Reporter: Jason Lowe
>            Assignee: Rohith Sharma K S
>         Attachments: 0001-YARN-261.patch, 0002-YARN-261.patch, 
> YARN-261--n2.patch, YARN-261--n3.patch, YARN-261--n4.patch, 
> YARN-261--n5.patch, YARN-261--n6.patch, YARN-261--n7.patch, YARN-261.patch
>
>
> It would be nice if clients could ask for an AM attempt to be killed.  This 
> is analogous to the task attempt kill support provided by MapReduce.
> This feature would be useful in a scenario where AM retries are enabled, the 
> AM supports recovery, and a particular AM attempt is stuck.  Currently if 
> this occurs the user's only recourse is to kill the entire application, 
> requiring them to resubmit a new application and potentially breaking 
> downstream dependent jobs if it's part of a bigger workflow.  Killing the 
> attempt would allow a new attempt to be started by the RM without killing the 
> entire application, and if the AM supports recovery it could potentially save 
> a lot of work.  It could also be useful in workflow scenarios where the 
> failure of the entire application kills the workflow, but the ability to kill 
> an attempt can keep the workflow going if the subsequent attempt succeeds.



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