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https://issues.apache.org/jira/browse/HADOOP-12830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15181662#comment-15181662
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Hadoop QA commented on HADOOP-12830:
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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 9s
{color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue} 0m 4s
{color} | {color:blue} Shelldocs was not available. {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 2 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
31s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 37s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 36s
{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
34s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 50s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 3s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
41s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 28s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 28s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 36s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 36s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
21s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 55s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green} 0m
10s {color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 50s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 3s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 6m 16s {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} 6m 34s {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
22s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 56m 20s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_74 Failed junit tests | hadoop.fs.TestFsShellServer |
| JDK v1.7.0_95 Failed junit tests | hadoop.fs.TestFsShellServer |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12791617/HADOOP-12830.002.patch
|
| JIRA Issue | HADOOP-12830 |
| Optional Tests | asflicense mvnsite unit shellcheck shelldocs compile
javac javadoc mvninstall findbugs checkstyle |
| uname | Linux 0040b93bff1e 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 / 19ee185 |
| 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 |
| shellcheck | v0.4.3 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8799/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8799/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8799/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_74.txt
https://builds.apache.org/job/PreCommit-HADOOP-Build/8799/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/8799/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8799/console |
| Powered by | Apache Yetus 0.3.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Bash environment for quick command operations
> ---------------------------------------------
>
> Key: HADOOP-12830
> URL: https://issues.apache.org/jira/browse/HADOOP-12830
> Project: Hadoop Common
> Issue Type: New Feature
> Components: bin
> Reporter: Kazuho Fujii
> Assignee: Kazuho Fujii
> Attachments: HADOOP-12830.001.patch, HADOOP-12830.002.patch
>
>
> Hadoop file system shell commands are slow. This issue is about building a
> shell environment for quick command operations.
> Previously an interactive shell is tried to build in HADOOP-6541. But, it
> seems to be poor because users are used to powerful shells like bash. This
> issue is not about creating a new shell, but just opening a new bash process.
> Therefore, user can operate commands as before.
> {code}
> fjk@x240:~/hadoop-2.7.2$ ./bin/hadoop shell
> fjk@x240 hadoop> hadoop fs -ls /
> Found 2 items
> -rw-r--r-- 3 fjk supergroup 0 2016-02-21 00:26 /file1
> -rw-r--r-- 3 fjk supergroup 0 2016-02-21 00:26 /file2
> {code}
> The shell has a mini daemon process that is living until the shell is closed.
> The hadoop fs command delegates the operation to the daemon. They communicate
> with named pipes. The daemon conducts the operation and returns the result to
> the command.
> In this shell the hadoop fs commands operation becomes quick. In a local
> environment, "hadoop fs -ls" command is about 100 times faster than the
> normal command.
> {code}
> fjk@x240 hadoop> time hadoop fs -ls hdfs://localhost:8020/ > /dev/null
> real 0m0.021s
> user 0m0.003s
> sys 0m0.011s
> {code}
> Using bash's function, commands and file names are automatically completed.
> {code}
> fjk@x240 hadoop> hadoop fs -ch<TAB><TAB>
> -checksum -chgrp -chmod -chown
> fjk@x240 hadoop> hadoop fs -ls /file<TAB><TAB>
> /file1 /file2 /file3
> {code}
> Additionally, we can make equivalents with bash build-in commands, e.g., cd,
> umask. In this shell, they can work because the daemon remembers the state.
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