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https://issues.apache.org/jira/browse/HADOOP-10048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15192994#comment-15192994
]
Hadoop QA commented on HADOOP-10048:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 10s
{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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s
{color} | {color:red} 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} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 39s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 34s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
20s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 55s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
36s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m 21s
{color} | {color:red} hadoop-common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 0m 30s
{color} | {color:red} root in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 0m 30s {color}
| {color:red} root in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red} 0m 35s
{color} | {color:red} root in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 0m 35s {color}
| {color:red} root in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 18s
{color} | {color:red} hadoop-common-project/hadoop-common: patch generated 5
new + 17 unchanged - 6 fixed = 22 total (was 23) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 0m 23s
{color} | {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 15s
{color} | {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 48s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 21s {color}
| {color:red} hadoop-common in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 22s {color}
| {color:red} hadoop-common in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
17s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 30m 8s {color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12793278/HADOOP-10048.trunk.patch
|
| JIRA Issue | HADOOP-10048 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 37f7c3b8663f 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 658ee95 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_74
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| mvninstall |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-mvninstall-hadoop-common-project_hadoop-common.txt
|
| compile |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-compile-root-jdk1.8.0_74.txt
|
| javac |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-compile-root-jdk1.8.0_74.txt
|
| compile |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-compile-root-jdk1.7.0_95.txt
|
| javac |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-compile-root-jdk1.7.0_95.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt
|
| mvnsite |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-mvnsite-hadoop-common-project_hadoop-common.txt
|
| findbugs |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-findbugs-hadoop-common-project_hadoop-common.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| JDK v1.7.0_95 Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8845/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> LocalDirAllocator should avoid holding locks while accessing the filesystem
> ---------------------------------------------------------------------------
>
> Key: HADOOP-10048
> URL: https://issues.apache.org/jira/browse/HADOOP-10048
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.3.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Labels: BB2015-05-TBR
> Attachments: HADOOP-10048.patch, HADOOP-10048.trunk.patch
>
>
> As noted in MAPREDUCE-5584 and HADOOP-7016, LocalDirAllocator can be a
> bottleneck for multithreaded setups like the ShuffleHandler. We should
> consider moving to a lockless design or minimizing the critical sections to a
> very small amount of time that does not involve I/O operations.
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