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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21631) Enhance metastore API to allow bulk-loading materialized views
Date Wed, 24 Apr 2019 18:53:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16825438#comment-16825438
] 

Hive QA commented on HIVE-21631:
--------------------------------

| (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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 48s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 19s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 30s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 39s{color}
| {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 39s{color} | {color:blue}
standalone-metastore/metastore-common in master has 29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m 11s{color} | {color:blue}
standalone-metastore/metastore-server in master has 180 extant Findbugs warnings. {color}
|
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m  4s{color} | {color:blue}
ql in master has 2256 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 27s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 30s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 50s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 29s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 29s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 41s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  4m 10s{color} | {color:red}
ql generated 2 new + 2255 unchanged - 1 fixed = 2257 total (was 2256) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 23s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 14s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 43m 29s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
|  |  Exception is caught when Exception is not thrown in org.apache.hadoop.hive.ql.metadata.Hive.getValidMaterializedViews(List,
List, boolean, HiveTxnManager)  At Hive.java:is not thrown in org.apache.hadoop.hive.ql.metadata.Hive.getValidMaterializedViews(List,
List, boolean, HiveTxnManager)  At Hive.java:[line 1677] |
|  |  Private method org.apache.hadoop.hive.ql.metadata.Hive.getTableObjects(String, List)
is never called  At Hive.java:never called  At Hive.java:[lines 1450-1459] |
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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-17030/dev-support/hive-personality.sh
|
| git revision | master / 21aa364 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| findbugs | http://104.198.109.242/logs//PreCommit-HIVE-Build-17030/yetus/new-findbugs-ql.html
|
| modules | C: standalone-metastore/metastore-common standalone-metastore/metastore-server
ql itests/hcatalog-unit U: . |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-17030/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Enhance metastore API to allow bulk-loading materialized views
> --------------------------------------------------------------
>
>                 Key: HIVE-21631
>                 URL: https://issues.apache.org/jira/browse/HIVE-21631
>             Project: Hive
>          Issue Type: Bug
>          Components: Materialized views, Metastore
>    Affects Versions: 3.2.0, 3.1.1
>            Reporter: Craig Condit
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-21631.patch, HIVE-21631.patch, HIVE-21631.patch, HIVE-21631.patch
>
>
> Currently, every query in HS2 results in a metastore call per database to retrieve all
materialized views. This causes severe performance degradation on multi-tenant clusters with
thousands of databases (very similar to how the old get_function() metastore call didn't scale).
> We should add a metastore call which can retrieve all materialized view definitions at
once (for all DBs) so that we don't have to make thousands of metastore calls per query.



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