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https://issues.apache.org/jira/browse/HADOOP-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15654188#comment-15654188
]
Hadoop QA commented on HADOOP-13427:
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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
15s{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 3 new or modified test
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
15s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
45s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m
52s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 10m
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 6m
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 15m
29s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 8m
31s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
18s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 11m
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 11m
24s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
2m 6s{color} | {color:orange} root: The patch generated 1 new + 867 unchanged
- 10 fixed = 868 total (was 877) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 11m
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 8m
0s{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} 16m
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 9m
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
29s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
11s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m
33s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 15m
6s{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m
5s{color} | {color:green} hadoop-yarn-server-applicationhistoryservice in the
patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
39s{color} | {color:green} hadoop-yarn-server-sharedcachemanager in the patch
passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m
14s{color} | {color:green} hadoop-mapreduce-client-core in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m
13s{color} | {color:green} hadoop-mapreduce-client-app in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m
24s{color} | {color:green} hadoop-mapreduce-client-hs in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
47s{color} | {color:green} hadoop-mapreduce-examples in the patch passed.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 11m
5s{color} | {color:green} hadoop-distcp in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
4s{color} | {color:green} hadoop-archives in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
50s{color} | {color:green} hadoop-archive-logs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
37s{color} | {color:green} hadoop-rumen in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
58s{color} | {color:green} hadoop-extras in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m
31s{color} | {color:green} hadoop-openstack in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
37s{color} | {color:green} hadoop-azure in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
47s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}221m 53s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:e809691 |
| JIRA Issue | HADOOP-13427 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12838340/HADOOP-13427.007.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 78b08c163cbb 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 / 86ac1ad |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11046/artifact/patchprocess/diff-checkstyle-root.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11046/testReport/ |
| modules | C: hadoop-common-project/hadoop-common
hadoop-hdfs-project/hadoop-hdfs-client
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-sharedcachemanager
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs
hadoop-mapreduce-project/hadoop-mapreduce-examples hadoop-tools/hadoop-distcp
hadoop-tools/hadoop-archives hadoop-tools/hadoop-archive-logs
hadoop-tools/hadoop-rumen hadoop-tools/hadoop-extras
hadoop-tools/hadoop-openstack hadoop-tools/hadoop-azure U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11046/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Eliminate needless uses of FileSystem#{exists(), isFile(), isDirectory()}
> -------------------------------------------------------------------------
>
> Key: HADOOP-13427
> URL: https://issues.apache.org/jira/browse/HADOOP-13427
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 2.8.0
> Reporter: Steve Loughran
> Assignee: Mingliang Liu
> Attachments: HADOOP-13427-001.patch, HADOOP-13427-002.patch,
> HADOOP-13427.003.patch, HADOOP-13427.004.patch, HADOOP-13427.005.patch,
> HADOOP-13427.006.patch, HADOOP-13427.007.patch
>
>
> We're cleaning up Hive and Spark's use of FileSystem.exists, because it is
> often the case we see code of exists+open, exists+delete, when the exists
> probe is needless. Against object stores, expensive needless.
> Hadoop can set an example here by stripping them out. It will also show where
> there are opportunities to optimise things better and/or improve reporting.
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