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https://issues.apache.org/jira/browse/HIVE-23391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17101889#comment-17101889
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Hive QA commented on HIVE-23391:
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| (/) *{color:green}+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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 2m
0s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m
58s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
53s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m
47s{color} | {color:blue} ql in master has 1527 extant Findbugs warnings.
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
30s{color} | {color:blue} beeline in master has 48 extant Findbugs warnings.
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 8m
0s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 9m
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 8m
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 8m
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
56s{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
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 9m
16s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
28s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 69m 11s{color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc xml compile findbugs
checkstyle |
| 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-22185/dev-support/hive-personality.sh
|
| git revision | master / bbfb0f8 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| modules | C: ql beeline . U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-22185/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Change requested lock for ALTER TABLE ADD COLUMN to DDL_SHARED
> --------------------------------------------------------------
>
> Key: HIVE-23391
> URL: https://issues.apache.org/jira/browse/HIVE-23391
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Chovan
> Assignee: Zoltan Chovan
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23391.patch
>
>
> A long running query can block a simple add column query, as the add column
> will require a DDL_EXCLUSIVE lock currently. By changing this to a shared
> lock, this metadata only query can be executed without having to wait for the
> previous query to finish.
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