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https://issues.apache.org/jira/browse/HADOOP-13321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871011#comment-15871011
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Hadoop QA commented on HADOOP-13321:
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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
17s{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} 12m
26s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 11m
44s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
34s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
18s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m
43s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 10m 43s{color}
| {color:red} root generated 93 new + 702 unchanged - 0 fixed = 795 total (was
702) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
18s{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
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 37s{color}
| {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
33s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 55m 9s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.security.TestKDiag |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HADOOP-13321 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12853171/HADOOP-13321.002.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 1cf8c4a6d9e4 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6
15:44:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / f432999 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| javac |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11649/artifact/patchprocess/diff-compile-javac-root.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11649/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11649/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11649/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Deprecate FileSystem APIs that promote inefficient call patterns.
> -----------------------------------------------------------------
>
> Key: HADOOP-13321
> URL: https://issues.apache.org/jira/browse/HADOOP-13321
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 3.0.0-alpha3
> Reporter: Chris Nauroth
> Assignee: Mingliang Liu
> Attachments: HADOOP-13321.000.patch, HADOOP-13321.001.patch,
> HADOOP-13321.002.patch
>
>
> {{FileSystem}} contains several methods that act as convenience wrappers over
> calling {{getFileStatus}} and retrieving a single property of the returned
> {{FileStatus}}. These methods have a habit of fostering inefficient call
> patterns in applications, resulting in multiple redundant {{getFileStatus}}
> calls. For HDFS, this translates into wasteful NameNode RPC traffic. For
> file systems backed by cloud object stores, this translates into wasteful
> HTTP traffic. This issue proposes to deprecate these methods and instead
> encourage applications to call {{getFileStatus}} and then reuse the same
> {{FileStatus}} instance as needed.
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