[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545732#comment-14545732
 ] 

Hudson commented on YARN-1519:
--

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2144 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2144/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c
* hadoop-yarn-project/CHANGES.txt


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545715#comment-14545715
 ] 

Hudson commented on YARN-1519:
--

SUCCESS: Integrated in Hadoop-Mapreduce-trunk-Java8 #196 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/196/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545602#comment-14545602
 ] 

Hudson commented on YARN-1519:
--

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #186 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/186/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545572#comment-14545572
 ] 

Hudson commented on YARN-1519:
--

FAILURE: Integrated in Hadoop-Hdfs-trunk #2126 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2126/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545415#comment-14545415
 ] 

Hudson commented on YARN-1519:
--

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #197 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/197/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-15 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545392#comment-14545392
 ] 

Hudson commented on YARN-1519:
--

SUCCESS: Integrated in Hadoop-Yarn-trunk #928 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk/928/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-14 Thread Hudson (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544616#comment-14544616
 ] 

Hudson commented on YARN-1519:
--

FAILURE: Integrated in Hadoop-trunk-Commit #7835 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/7835/])
YARN-1519. Check in container-executor if sysconf is implemented before using 
it (Radim Kolar and Eric Payne via raviprak) (raviprak: rev 
53fe4eff09fdaeed75a8cad3a26156bf963a8d37)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-14 Thread Ravi Prakash (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544532#comment-14544532
 ] 

Ravi Prakash commented on YARN-1519:


Thanks for the patch Eric and Radim. +1. lgtm. Will check in shortly

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-13 Thread Hadoop QA (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14542959#comment-14542959
 ] 

Hadoop QA commented on YARN-1519:
-

\\
\\
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   5m 14s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:red}-1{color} | tests included |   0m  0s | The patch doesn't appear 
to include any new or modified tests.  Please justify why no new tests are 
needed for this patch. Also please list what manual steps were performed to 
verify this patch. |
| {color:green}+1{color} | javac |   7m 29s | There were no new javac warning 
messages. |
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | yarn tests |   6m  9s | Tests passed in 
hadoop-yarn-server-nodemanager. |
| | |  21m 23s | |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12732710/YARN-1519.003.patch |
| Optional Tests | javac unit |
| git revision | trunk / 281d47a |
| hadoop-yarn-server-nodemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/7928/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/7928/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/7928/console |


This message was automatically generated.

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch, 
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-09 Thread Eric Payne (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536754#comment-14536754
 ] 

Eric Payne commented on YARN-1519:
--

Hi [~raviprak]. Thank you for reviewing this issue.
{quote}
Nitpick: We don't set an upper limit for something we are going to malloc. 
Earlier it was atleast limited to INT_MAX. Now its LONG_MAX. I'd rather keep 
typecasting the long to int.
{quote}
[~hsn], do you want to make that change or should I?

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-08 Thread Hadoop QA (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536170#comment-14536170
 ] 

Hadoop QA commented on YARN-1519:
-

\\
\\
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   5m 13s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:red}-1{color} | tests included |   0m  0s | The patch doesn't appear 
to include any new or modified tests.  Please justify why no new tests are 
needed for this patch. Also please list what manual steps were performed to 
verify this patch. |
| {color:green}+1{color} | javac |   7m 32s | There were no new javac warning 
messages. |
| {color:green}+1{color} | release audit |   0m 20s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | yarn tests |   6m  0s | Tests passed in 
hadoop-yarn-server-nodemanager. |
| | |  21m 17s | |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12731625/YARN-1519.002.patch |
| Optional Tests | javac unit |
| git revision | trunk / 6471d18 |
| hadoop-yarn-server-nodemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/7837/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/7837/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf905.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/7837/console |


This message was automatically generated.

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2015-05-08 Thread Ravi Prakash (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535954#comment-14535954
 ] 

Ravi Prakash commented on YARN-1519:


Nitpick: We don't set an upper limit for something we are going to malloc. 
Earlier it was atleast limited to INT_MAX. Now its LONG_MAX. I'd rather keep 
typecasting the long to int.
Otherwise +1. Please change that and I'm happy to commit

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
>  Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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[jira] [Commented] (YARN-1519) check if sysconf is implemented before using it

2013-12-18 Thread Hadoop QA (JIRA)

[ 
https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852457#comment-13852457
 ] 

Hadoop QA commented on YARN-1519:
-

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12619450/nodemgr-sysconf.txt
  against trunk revision .

{color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

{color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
Please justify why no new tests are needed for this 
patch.
Also please list what manual steps were performed to 
verify this patch.

{color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

{color:green}+1 javadoc{color}.  The javadoc tool did not generate any 
warning messages.

{color:green}+1 eclipse:eclipse{color}.  The patch built with 
eclipse:eclipse.

{color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 1.3.9) warnings.

{color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

{color:green}+1 core tests{color}.  The patch passed unit tests in 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

{color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/2698//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2698//console

This message is automatically generated.

> check if sysconf is implemented before using it
> ---
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
>  Issue Type: Bug
>  Components: nodemanager
>Affects Versions: 3.0.0, 2.3.0
>Reporter: Radim Kolar
>Assignee: Radim Kolar
> Attachments: nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to 
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native 
> code.



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