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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20079) Populate more accurate rawDataSize for parquet format
Date Sun, 15 Jul 2018 00:45:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544382#comment-16544382
] 

Hive QA commented on HIVE-20079:
--------------------------------

| (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 47s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  5s{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 49s{color} | {color:blue}
ql in master has 2291 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 54s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 18s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  1s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  1s{color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 35s{color} | {color:red}
ql: The patch generated 3 new + 13 unchanged - 6 fixed = 16 total (was 19) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  0s{color} | {color:red}
The patch has 1 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>.
Refer https://git-scm.com/docs/git-apply {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m  3s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 55s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 12s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 22m 53s{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_PreCommit-HIVE-Build-12619/dev-support/hive-personality.sh
|
| git revision | master / 1b5903b |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-12619/yetus/diff-checkstyle-ql.txt
|
| whitespace | http://104.198.109.242/logs//PreCommit-HIVE-Build-12619/yetus/whitespace-eol.txt
|
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-12619/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Populate more accurate rawDataSize for parquet format
> -----------------------------------------------------
>
>                 Key: HIVE-20079
>                 URL: https://issues.apache.org/jira/browse/HIVE-20079
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>            Priority: Major
>         Attachments: HIVE-20079.1.patch, HIVE-20079.2.patch
>
>
> Run the following queries and you will see the raw data for the table is 4 (that is the
number of fields) incorrectly. We need to populate correct data size so data can be split
properly.
> {noformat}
> SET hive.stats.autogather=true;
> CREATE TABLE parquet_stats (id int,str string) STORED AS PARQUET;
> INSERT INTO parquet_stats values(0, 'this is string 0'), (1, 'string 1');
> DESC FORMATTED parquet_stats;
> {noformat}
> {noformat}
> Table Parameters:
> 	COLUMN_STATS_ACCURATE	true
> 	numFiles            	1
> 	numRows             	2
> 	rawDataSize         	4
> 	totalSize           	373
> 	transient_lastDdlTime	1530660523
> {noformat}



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