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https://issues.apache.org/jira/browse/HIVE-18705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16388456#comment-16388456
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Hive QA commented on HIVE-18705:
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| (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  
0s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
39s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
25s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
54s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 7s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m  
8s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
8s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
16s{color} | {color:red} service in the patch failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
35s{color} | {color:green} ql: The patch generated 0 new + 0 unchanged - 12 
fixed = 0 total (was 12) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch service passed checkstyle {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
18s{color} | {color:red} standalone-metastore: The patch generated 15 new + 545 
unchanged - 8 fixed = 560 total (was 553) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
48s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
13s{color} | {color:red} The patch generated 49 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 19m 56s{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-9515/dev-support/hive-personality.sh
 |
| git revision | master / c7d7b15 |
| Default Java | 1.8.0_111 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-9515/yetus/patch-mvninstall-service.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-9515/yetus/diff-checkstyle-standalone-metastore.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-9515/yetus/whitespace-eol.txt 
|
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-9515/yetus/patch-asflicense-problems.txt
 |
| modules | C: ql service standalone-metastore U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-9515/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Improve HiveMetaStoreClient.dropDatabase
> ----------------------------------------
>
>                 Key: HIVE-18705
>                 URL: https://issues.apache.org/jira/browse/HIVE-18705
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Adam Szita
>            Assignee: Adam Szita
>            Priority: Major
>         Attachments: HIVE-18705.0.patch
>
>
> {{HiveMetaStoreClient.dropDatabase}} has a strange implementation to ensure 
> dealing with client side hooks (for non-native tables e.g. HBase). Currently 
> it starts by retrieving all the tables from HMS, and then sends {{dropTable}} 
> calls to HMS table-by-table. At the end a {{dropDatabase}} just to be sure :) 
> I believe this could be refactored so that it speeds up the dropDB in 
> situations where the average table count per DB is very high.



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