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https://issues.apache.org/jira/browse/HIVE-21823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863554#comment-16863554
 ] 

Hive QA commented on HIVE-21823:
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| (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 
58s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
41s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
32s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
35s{color} | {color:blue} common in master has 62 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
44s{color} | {color:blue} llap-server in master has 81 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
33s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
28s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
22s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
22s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 22s{color} 
| {color:red} llap-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
14s{color} | {color:red} llap-server: The patch generated 2 new + 45 unchanged 
- 0 fixed = 47 total (was 45) {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}  0m 
21s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
31s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
15s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 17m 48s{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-17562/dev-support/hive-personality.sh
 |
| git revision | master / a55ccaa |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus/patch-mvninstall-llap-server.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus/patch-compile-llap-server.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus/patch-compile-llap-server.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus/diff-checkstyle-llap-server.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus/patch-findbugs-llap-server.txt
 |
| modules | C: common llap-server U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-17562/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> New metrics to get the average queue length / free executor number for a 
> given time window
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-21823
>                 URL: https://issues.apache.org/jira/browse/HIVE-21823
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>            Reporter: Peter Vary
>            Assignee: Antal Sinkovits
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21823.2.patch, HIVE-21823.3.patch, 
> HIVE-21823.4.patch, HIVE-21823.5.patch, HIVE-21823.6.patch, HIVE-21823.patch
>
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> We need to calculate the average queue size / free executor size for a window 
> to have good data for making routing decisions.
> Interesting things to consider:
>  * The timeĀ gap between arriving request can be different, so simple average 
> is not enough to have correct data
>  * We need to have 2 parameters
>  ** Time window length
>  ** Maximum data point numbers - so we will not collect "infinite" amount of 
> data at high load



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