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https://issues.apache.org/jira/browse/HADOOP-12830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15156422#comment-15156422
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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 10s
{color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue} 0m 3s
{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: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} 7m
30s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 39s
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 54s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
23s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 9s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
46s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 11s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m 29s
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 8m 29s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 52s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 7m 52s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 22s
{color} | {color:red} hadoop-common-project/hadoop-common: patch generated 8
new + 0 unchanged - 0 fixed = 8 total (was 0) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 7s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} shellcheck {color} | {color:red} 0m 10s
{color} | {color:red} The applied patch generated 29 new + 98 unchanged - 0
fixed = 127 total (was 98) {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} 2m 4s
{color} | {color:red} hadoop-common-project/hadoop-common generated 1 new + 0
unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 10s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 17m 16s {color}
| {color:red} hadoop-common in the patch failed with JDK v1.8.0_72. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 36s
{color} | {color:green} hadoop-common in the patch passed with JDK v1.7.0_95.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
23s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 81m 41s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-common-project/hadoop-common |
| | Found reliance on default encoding in
org.apache.hadoop.fs.FsShellServer.inloop(FsShell):in
org.apache.hadoop.fs.FsShellServer.inloop(FsShell): new
java.io.PrintStream(File) At FsShellServer.java:[line 80] |
| JDK v1.8.0_72 Failed junit tests | hadoop.ha.TestZKFailoverController |
| JDK v1.8.0_72 Timed out junit tests |
org.apache.hadoop.http.TestHttpServerLifecycle |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12788897/HADOOP-12830.001.patch
|
| JIRA Issue | HADOOP-12830 |
| Optional Tests | asflicense mvnsite unit shellcheck shelldocs compile
javac javadoc mvninstall findbugs checkstyle |
| uname | Linux af6b9e506996 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 / b68901d |
| Default Java | 1.7.0_95 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_72
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| shellcheck | v0.4.3 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt
|
| shellcheck |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/artifact/patchprocess/diff-patch-shellcheck.txt
|
| findbugs |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/artifact/patchprocess/new-findbugs-hadoop-common-project_hadoop-common.html
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_72.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_72.txt
|
| JDK v1.7.0_95 Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/testReport/ |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/8679/console |
| Powered by | Apache Yetus 0.2.0-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 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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