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https://issues.apache.org/jira/browse/HIVE-20936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16690381#comment-16690381
 ] 

Hive QA commented on HIVE-20936:
--------------------------------

| (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}  0m 
32s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
16s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
25s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
12s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
16s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
50s{color} | {color:blue} ql in master has 2316 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:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
3s{color} | {color:blue} standalone-metastore/metastore-server in master has 
185 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
31s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
51s{color} | {color:red} ql in the patch failed. {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
19s{color} | {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
17s{color} | {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 17s{color} 
| {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
37s{color} | {color:red} ql: The patch generated 8 new + 108 unchanged - 2 
fixed = 116 total (was 110) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
11s{color} | {color:red} service: The patch generated 1 new + 35 unchanged - 0 
fixed = 36 total (was 35) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 96 line(s) that end in whitespace. Use 
git apply --whitespace=fix <<patch_file>>. Refer 
https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m 
49s{color} | {color:red} ql generated 2 new + 2316 unchanged - 0 fixed = 2318 
total (was 2316) {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
19s{color} | {color:red} service in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
16s{color} | {color:red} service generated 1 new + 40 unchanged - 0 fixed = 41 
total (was 40) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
13s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 40m 41s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
|  |  Field MetaStoreCompactorThread.threadId masks field in superclass 
org.apache.hadoop.hive.ql.txn.compactor.CompactorThread  In 
MetaStoreCompactorThread.java:superclass 
org.apache.hadoop.hive.ql.txn.compactor.CompactorThread  In 
MetaStoreCompactorThread.java |
|  |  Unread public/protected field:At MetaStoreCompactorThread.java:[line 20] |
\\
\\
|| 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-14974/dev-support/hive-personality.sh
 |
| git revision | master / fd5f34f |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-mvninstall-ql.txt
 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-mvninstall-service.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-compile-service.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-compile-service.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/diff-checkstyle-ql.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/diff-checkstyle-service.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/whitespace-eol.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/new-findbugs-ql.html
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-findbugs-service.txt
 |
| javadoc | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/diff-javadoc-javadoc-service.txt
 |
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus/patch-asflicense-problems.txt
 |
| modules | C: standalone-metastore/metastore-common metastore ql service 
standalone-metastore/metastore-server U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14974/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Allow the Worker thread in the metastore to run outside of it
> -------------------------------------------------------------
>
>                 Key: HIVE-20936
>                 URL: https://issues.apache.org/jira/browse/HIVE-20936
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>            Reporter: Jaume M
>            Assignee: Jaume M
>            Priority: Major
>         Attachments: HIVE-20936.1.patch, HIVE-20936.2.patch
>
>
> Currently the Worker thread in the metastore in bounded to the metastore, 
> mainly because of the TxnHandler that it has. This thread runs some map 
> reduce jobs which may not only be an option wherever the metastore is 
> running. A solution for this can be to run this thread in HS2 depending on a 
> flag.



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