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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18153) refactor reopen and file management in TezTask
Date Wed, 06 Dec 2017 04:41:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16279660#comment-16279660
] 

Hive QA commented on HIVE-18153:
--------------------------------

| (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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 58s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 59s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 37s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 52s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 15s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 59s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 59s{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 40 new + 429 unchanged - 38 fixed = 469 total (was 467) {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} javadoc {color} | {color:green}  0m 56s{color} |
{color:green} the patch passed {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} 12m 41s{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 / 0d83233 |
| Default Java | 1.8.0_111 |
| checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-8120/yetus/diff-checkstyle-ql.txt
|
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-8120/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> refactor reopen and file management in TezTask
> ----------------------------------------------
>
>                 Key: HIVE-18153
>                 URL: https://issues.apache.org/jira/browse/HIVE-18153
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-18153.01.patch, HIVE-18153.patch
>
>
> TezTask reopen relies on getting the same session object in terms of setup; WM reopen
returns a new session from the pool. 
> The former has the advantage of not having to reupload files and stuff... but the object
reuse results in a lot of ugly code, and also reopen might be slower on average with the session
pool than just getting a session from the pool. Either WM needs to do the object-preserving
reopen, or TezTask needs to be refactored. It looks like DAG would have to be rebuilt to do
the latter because of some paths tied to a directory of the old session. Let me see if I can
get around that; if not we can do the former; and then if the former results in too much ugly
code in WM to account for object reuse for different Tez client I'd do the latter anyway since
it's a failure path :)



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