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https://issues.apache.org/jira/browse/HIVE-23449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106023#comment-17106023
 ] 

Hive QA commented on HIVE-23449:
--------------------------------

| (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} 11m 
25s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
29s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
52s{color} | {color:blue} llap-server in master has 87 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
17s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
29s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
29s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
16s{color} | {color:red} llap-server: The patch generated 2 new + 154 unchanged 
- 0 fixed = 156 total (was 154) {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} findbugs {color} | {color:green}  1m  
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
17s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 16m 39s{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 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-22303/dev-support/hive-personality.sh
 |
| git revision | master / 9ffbbdc |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-22303/yetus/diff-checkstyle-llap-server.txt
 |
| modules | C: llap-server U: llap-server |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-22303/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> LLAP: Reduce mkdir and config creations in submitWork hotpath
> -------------------------------------------------------------
>
>                 Key: HIVE-23449
>                 URL: https://issues.apache.org/jira/browse/HIVE-23449
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Major
>         Attachments: HIVE-23449.1.patch, HIVE-23449.2.patch, 
> HIVE-23449.3.patch, Screenshot 2020-05-12 at 1.09.35 PM.png
>
>
> !Screenshot 2020-05-12 at 1.09.35 PM.png|width=885,height=558!
>  
> For short jobs, submitWork gets into hotpath. This can lazy load conf and can 
> get rid of dir creations (which needs to be enabled only when DirWatcher is 
> enabled)



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