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https://issues.apache.org/jira/browse/YARN-5939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15708797#comment-15708797
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Hadoop QA commented on YARN-5939:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
18s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
4s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
29s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
34s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
16s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
31s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
17s{color} | {color:green} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common:
The patch generated 0 new + 101 unchanged - 1 fixed = 101 total (was 102)
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| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s{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} findbugs {color} | {color:green} 1m
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
29s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m
25s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
17s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 18m 1s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | YARN-5939 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12841052/YARN-5939.02.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux f99298295fbe 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29
20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 51e6c1c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/14120/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common U:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/14120/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Disabling the cache of FileSystem leads to case that never close the
> FileSystem
> -------------------------------------------------------------------------------
>
> Key: YARN-5939
> URL: https://issues.apache.org/jira/browse/YARN-5939
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.5.1, 2.7.3
> Reporter: liuxiangwei
> Assignee: Weiwei Yang
> Attachments: YARN-5939.01.patch, YARN-5939.02.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Background
> To use our self-defined FileSystem class, the item of configuration
> "fs.%s.impl.disable.cache" should set to true.
> In YARN's source code, the class named
> "org.apache.hadoop.yarn.util.FSDownload" use getFileSystem but never close,
> which leading to file descriptor leak because our self-defined FileSystem
> class close the file descriptor when the close function is invoked.
> My Question below:
> 1. whether invoking "getFileSystem" but never close is YARN's expected
> behavior
> 2. what should we do in our self-defined FileSystem resolve it.
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