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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13126) Add Brotli compression codec
Date Thu, 06 Oct 2016 03:24:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15550733#comment-15550733
] 

Hadoop QA commented on HADOOP-13126:
------------------------------------

| (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 13s{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 1 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}  7m  9s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 42s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 40s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 10m 43s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  1m 45s{color}
| {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: hadoop-project . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 31s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  5m 17s{color} |
{color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 20s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 44s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  8m  2s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  8m  2s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  1m 31s{color}
| {color:orange} root: The patch generated 6 new + 0 unchanged - 0 fixed = 6 total (was 0)
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 10m 10s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  1m 16s{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} xml {color} | {color:green}  0m  5s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: hadoop-project . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 54s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  5m 42s{color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}108m 12s{color} | {color:red}
root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 29s{color} | {color:red}
The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}204m 39s{color} | {color:black}
{color} |
\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.TestNestedEncryptionZones |
|   | hadoop.yarn.server.applicationhistoryservice.TestApplicationHistoryServer |
|   | hadoop.yarn.server.applicationhistoryservice.webapp.TestAHSWebServices |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Issue | HADOOP-13126 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12831838/HADOOP-13126.5.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  xml  findbugs
 checkstyle  |
| uname | Linux 3b1df26d9d01 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / e68c7b9 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/10682/artifact/patchprocess/diff-checkstyle-root.txt
|
| unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/10682/artifact/patchprocess/patch-unit-root.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/10682/testReport/ |
| asflicense | https://builds.apache.org/job/PreCommit-HADOOP-Build/10682/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-project hadoop-common-project/hadoop-common . U: . |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/10682/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Add Brotli compression codec
> ----------------------------
>
>                 Key: HADOOP-13126
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13126
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 2.7.2
>            Reporter: Ryan Blue
>            Assignee: Ryan Blue
>         Attachments: HADOOP-13126.1.patch, HADOOP-13126.2.patch, HADOOP-13126.3.patch,
HADOOP-13126.4.patch, HADOOP-13126.5.patch
>
>
> I've been testing [Brotli|https://github.com/google/brotli/], a new compression library
based on LZ77 from Google. Google's [brotli benchmarks|https://cran.r-project.org/web/packages/brotli/vignettes/brotli-2015-09-22.pdf]
look really good and we're also seeing a significant improvement in compression size, compression
speed, or both.
> {code:title=Brotli preliminary test results}
> [blue@work Downloads]$ time parquet from test.parquet -o test.snappy.parquet --compression-codec
snappy --overwrite                      
> real    1m17.106s
> user    1m30.804s
> sys     0m4.404s
> [blue@work Downloads]$ time parquet from test.parquet -o test.br.parquet --compression-codec
brotli --overwrite                         
> real    1m16.640s
> user    1m24.244s
> sys     0m6.412s
> [blue@work Downloads]$ time parquet from test.parquet -o test.gz.parquet --compression-codec
gzip --overwrite                            
> real    3m39.496s
> user    3m48.736s
> sys     0m3.880s
> [blue@work Downloads]$ ls -l
> -rw-r--r-- 1 blue blue 1068821936 May 10 11:06 test.br.parquet
> -rw-r--r-- 1 blue blue 1421601880 May 10 11:10 test.gz.parquet
> -rw-r--r-- 1 blue blue 2265950833 May 10 10:30 test.snappy.parquet
> {code}
> Brotli, at quality 1, is as fast as snappy and ends up smaller than gzip-9. Another test
resulted in a slightly larger Brotli file than gzip produced, but Brotli was 4x faster. I'd
like to get this compression codec into Hadoop.
> [Brotli is licensed with the MIT license|https://github.com/google/brotli/blob/master/LICENSE],
and the [JNI library jbrotli is ALv2|https://github.com/MeteoGroup/jbrotli/blob/master/LICENSE].



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