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https://issues.apache.org/jira/browse/HIVE-20807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16677328#comment-16677328
 ] 

Hive QA commented on HIVE-20807:
--------------------------------

| (/) *{color:green}+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}  0m 
30s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
35s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
45s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
39s{color} | {color:blue} llap-server in master has 83 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
35s{color} | {color:blue} service in master has 48 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  6m 
53s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
7s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
 1s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m 
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m 
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
19s{color} | {color:green} The patch . passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
12s{color} | {color:green} llap-server: The patch generated 0 new + 4 unchanged 
- 98 fixed = 4 total (was 102) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch service passed checkstyle {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}  0m 
46s{color} | {color:green} llap-server generated 0 new + 81 unchanged - 2 fixed 
= 81 total (was 83) {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
42s{color} | {color:green} service in the patch passed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  6m 
42s{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} 46m 27s{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-14775/dev-support/hive-personality.sh
 |
| git revision | master / f4a48fd |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: . llap-server service U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14775/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Refactor LlapStatusServiceDriver
> --------------------------------
>
>                 Key: HIVE-20807
>                 URL: https://issues.apache.org/jira/browse/HIVE-20807
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 4.0.0
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-20807.01.patch, HIVE-20807.02.patch, 
> HIVE-20807.03.patch, HIVE-20807.04.patch, HIVE-20807.05.patch
>
>
> LlapStatusServiceDriver is the class used to determine if LLAP has started. 
> The following problems should be solved by refactoring:
> 1. The main class is more than 800 lines long,should be cut into multiple 
> smaller classes.
> 2. The current design makes it extremely hard to write unit tests.
> 3. There are some overcomplicated, over-engineered parts of the code.
> 4. Most of the code is under org.apache.hadoop.hive.llap.cli, but some parts 
> are under org.apache.hadoop.hive.llap.cli.status. The whole program could be 
> moved to the latter.
> 5. LlapStatusHelpers serves as a class for holding classes, which doesn't 
> make much sense.



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