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https://issues.apache.org/jira/browse/HBASE-19245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250185#comment-16250185
 ] 

Hadoop QA commented on HBASE-19245:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
11s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {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} hbaseanti {color} | {color:green}  0m  
0s{color} | {color:green} Patch does not have any anti-patterns. {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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} branch-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
41s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
18s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
18s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 
47s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
22s{color} | {color:green} branch-2 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  2m 
31s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
15s{color} | {color:red} hbase-mapreduce in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 15s{color} 
| {color:red} hbase-mapreduce in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
11s{color} | {color:red} hbase-mapreduce: The patch generated 1 new + 0 
unchanged - 5 fixed = 1 total (was 5) {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} shadedjars {color} | {color:red}  2m 
44s{color} | {color:red} patch has 14 errors when building our shaded 
downstream artifacts. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  4m 
24s{color} | {color:red} The patch causes 15 errors with Hadoop v2.6.1. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  6m  
3s{color} | {color:red} The patch causes 15 errors with Hadoop v2.6.2. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  7m 
41s{color} | {color:red} The patch causes 15 errors with Hadoop v2.6.3. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  9m 
19s{color} | {color:red} The patch causes 15 errors with Hadoop v2.6.4. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 10m 
57s{color} | {color:red} The patch causes 15 errors with Hadoop v2.6.5. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 12m 
35s{color} | {color:red} The patch causes 15 errors with Hadoop v2.7.1. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 14m 
11s{color} | {color:red} The patch causes 15 errors with Hadoop v2.7.2. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 15m 
49s{color} | {color:red} The patch causes 15 errors with Hadoop v2.7.3. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 17m 
26s{color} | {color:red} The patch causes 15 errors with Hadoop v2.7.4. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 19m  
8s{color} | {color:red} The patch causes 15 errors with Hadoop v3.0.0-alpha4. 
{color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
10s{color} | {color:red} hbase-mapreduce in the patch failed. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 15s{color} 
| {color:red} hbase-mapreduce in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 34m 16s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:9f2f2db |
| JIRA Issue | HBASE-19245 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12897377/HBASE-19245.branch-2.001.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux 04fb3e9d8f91 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 
13:48:03 UTC 2016 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | branch-2 / 72ba5c294e |
| maven | version: Apache Maven 3.5.2 
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/patch-mvninstall-root.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/patch-compile-hbase-mapreduce.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/patch-compile-hbase-mapreduce.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/diff-checkstyle-hbase-mapreduce.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/patch-javadoc-hbase-mapreduce.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/artifact/patchprocess/patch-unit-hbase-mapreduce.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/testReport/ |
| modules | C: hbase-mapreduce U: hbase-mapreduce |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9773/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


This message was automatically generated.



> MultiTableInputFormatBase#getSplits creates a Connection per Table
> ------------------------------------------------------------------
>
>                 Key: HBASE-19245
>                 URL: https://issues.apache.org/jira/browse/HBASE-19245
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Assignee: stack
>            Priority: Minor
>         Attachments: HBASE-19245.branch-2.001.patch
>
>
> Doesn't have to. Connection setup costs. Shared Connection could save on 
> hbase:meta hits (perhaps).



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