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https://issues.apache.org/jira/browse/HIVE-20113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924106#comment-16924106
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Hive QA commented on HIVE-20113:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {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:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
36s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m
32s{color} | {color:blue} ql in master has 2246 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
0s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
34s{color} | {color:red} ql: The patch generated 1 new + 20 unchanged - 1 fixed
= 21 total (was 21) {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} 3m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
53s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
13s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 22m 16s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-18472/dev-support/hive-personality.sh
|
| git revision | master / 0213afb |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-18472/yetus/diff-checkstyle-ql.txt
|
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-18472/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Shuffle avoidance: Disable 1-1 edges for sorted shuffle
> --------------------------------------------------------
>
> Key: HIVE-20113
> URL: https://issues.apache.org/jira/browse/HIVE-20113
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Labels: Branch3Candidate
> Attachments: HIVE-20113.1.patch, HIVE-20113.2.patch,
> HIVE-20113.3.patch, HIVE-20113.4.patch, HIVE-20113.4.patch, HIVE-20113.5.patch
>
>
> The sorted shuffle avoidance can have some issues when the shuffle data gets
> broken up into multiple chunks on disk.
> The 1-1 edge cannot skip the tez final merge - there's no reason for 1-1 to
> have a final merge at all, it should open a single compressed file and write
> a single index entry.
> Until the shuffle issue is resolved & a lot more testing, it is prudent to
> disable the optimization for sorted shuffle edges and stop rewriting the
> RS(sorted) = = = RS(sorted) into RS(sorted) = = = RS(FORWARD).
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