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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14498) Freshness period for query rewriting using materialized views
Date Thu, 14 Dec 2017 00:46:19 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16290161#comment-16290161
] 

Hive QA commented on HIVE-14498:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  1s{color} | {color:blue}
Findbugs executables are 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:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 17s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 36s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 31s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  4m 58s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  8m  6s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {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 48s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 13s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 13s{color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 17s{color} | {color:red}
common: The patch generated 4 new + 942 unchanged - 0 fixed = 946 total (was 942) {color}
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| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 43s{color} | {color:red}
standalone-metastore: The patch generated 49 new + 3479 unchanged - 6 fixed = 3528 total (was
3485) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 55s{color} | {color:red}
ql: The patch generated 8 new + 2476 unchanged - 11 fixed = 2484 total (was 2487) {color}
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| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  2m 40s{color} | {color:red}
root: The patch generated 61 new + 7109 unchanged - 17 fixed = 7170 total (was 7126) {color}
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| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  0s{color} | {color:red}
The patch has 175 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>.
Refer https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  3s{color} | {color:red}
The patch 1 line(s) with tabs. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 57s{color} | {color:red}
standalone-metastore generated 2 new + 54 unchanged - 0 fixed = 56 total (was 54) {color}
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| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  5m 32s{color} | {color:red}
root generated 2 new + 329 unchanged - 0 fixed = 331 total (was 329) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 11s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 58m 34s{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 3.16.36-1+deb8u1 (2016-09-03)
x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus/dev-support/hive-personality.sh |
| git revision | master / 8ab523b |
| Default Java | 1.8.0_111 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-checkstyle-common.txt
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| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-checkstyle-standalone-metastore.txt
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| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-checkstyle-ql.txt
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| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-checkstyle-root.txt
|
| whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/whitespace-eol.txt
|
| whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/whitespace-tabs.txt
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| javadoc | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-javadoc-javadoc-standalone-metastore.txt
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| javadoc | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus/diff-javadoc-javadoc-root.txt
|
| modules | C: common standalone-metastore metastore ql . itests/hcatalog-unit U: . |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-8228/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Freshness period for query rewriting using materialized views
> -------------------------------------------------------------
>
>                 Key: HIVE-14498
>                 URL: https://issues.apache.org/jira/browse/HIVE-14498
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Materialized views
>    Affects Versions: 2.2.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-14498.01.patch, HIVE-14498.patch
>
>
> Once we have query rewriting in place (HIVE-14496), one of the main issues is data freshness
in the materialized views.
> Since we will not support view maintenance at first, we could include a HiveConf property
to configure a max freshness period (_n timeunits_). If a query comes, and the materialized
view has been populated (by create, refresh, etc.) for a longer period than _n_, then we should
not use it for rewriting the query.
> Optionally, we could print a warning for the user indicating that the materialized was
not used because it was not fresh.



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