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https://issues.apache.org/jira/browse/HBASE-15128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15170877#comment-15170877
 ] 

Hadoop QA commented on HBASE-15128:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 15m 3s 
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:red}-1{color} | {color:red} mvndep {color} | {color:red} 1m 24s 
{color} | {color:red} branch's hbase-client dependency:list failed {color} |
| {color:red}-1{color} | {color:red} mvndep {color} | {color:red} 1m 29s 
{color} | {color:red} branch's hbase-protocol dependency:list failed {color} |
| {color:red}-1{color} | {color:red} mvndep {color} | {color:red} 3m 50s 
{color} | {color:red} branch's hbase-server dependency:list failed {color} |
| {color:red}-1{color} | {color:red} mvndep {color} | {color:red} 4m 0s {color} 
| {color:red} branch's hbase-shell dependency:list failed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 4m 0s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 
8s {color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 31s 
{color} | {color:green} branch-1 passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 33s 
{color} | {color:green} branch-1 passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
0s {color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 1m 
1s {color} | {color:green} branch-1 passed {color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red} 0m 8s 
{color} | {color:red} hbase-protocol in the patch failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 5s 
{color} | {color:red} hbase-server in branch-1 has 1 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 10s 
{color} | {color:green} branch-1 passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 17s 
{color} | {color:green} branch-1 passed with JDK v1.7.0_95 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 34s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
50s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 30s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 1m 30s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 30s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 32s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
29s {color} | {color:green} hbase-protocol: patch generated 0 new + 0 unchanged 
- 61 fixed = 0 total (was 61) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
29s {color} | {color:green} hbase-client: patch generated 0 new + 0 unchanged - 
61 fixed = 0 total (was 61) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
28s {color} | {color:green} hbase-server: patch generated 0 new + 0 unchanged - 
61 fixed = 0 total (was 61) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
28s {color} | {color:green} hbase-shell: patch generated 0 new + 0 unchanged - 
61 fixed = 0 total (was 61) {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
54s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} rubocop {color} | {color:red} 0m 11s 
{color} | {color:red} The applied patch generated 12 new + 757 unchanged - 3 
fixed = 769 total (was 760) {color} |
| {color:red}-1{color} | {color:red} ruby-lint {color} | {color:red} 0m 5s 
{color} | {color:red} The applied patch generated 54 new + 453 unchanged - 0 
fixed = 507 total (was 453) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 1s 
{color} | {color:red} The patch has 4 line(s) that end in whitespace. Use git 
apply --whitespace=fix. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 4m 
59s {color} | {color:green} Patch does not cause any errors with Hadoop 2.4.1 
2.5.2 2.6.0. {color} |
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red} 0m 7s 
{color} | {color:red} hbase-protocol in the patch failed. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m 
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 17s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 23s 
{color} | {color:green} hbase-protocol in the patch passed with JDK v1.8.0_72. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 35s 
{color} | {color:green} hbase-client in the patch passed with JDK v1.8.0_72. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 101m 27s 
{color} | {color:red} hbase-server in the patch failed with JDK v1.8.0_72. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 24s 
{color} | {color:green} hbase-shell in the patch passed with JDK v1.8.0_72. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 26s 
{color} | {color:green} hbase-protocol in the patch passed with JDK v1.7.0_95. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 46s 
{color} | {color:green} hbase-client in the patch passed with JDK v1.7.0_95. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 101m 48s 
{color} | {color:green} hbase-server in the patch passed with JDK v1.7.0_95. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 21s 
{color} | {color:green} hbase-shell in the patch passed with JDK v1.7.0_95. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
54s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 269m 36s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | 
hadoop.hbase.regionserver.TestAtomicOperation |
|   | hadoop.hbase.coprocessor.TestRowProcessorEndpoint |
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\\
|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-02-28 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12790279/HBASE-15128-branch-1.patch
 |
| JIRA Issue | HBASE-15128 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  cc  hbaseprotoc  rubocop  ruby_lint  |
| uname | Linux c756fe07d390 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/hbase.sh |
| git revision | branch-1 / 0cd299d |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_72 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| mvndep | hbase-client: 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/maven-branch-dependencylist-hbase-client.txt
 |
| mvndep | hbase-protocol: 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/maven-branch-dependencylist-hbase-protocol.txt
 |
| mvndep | hbase-server: 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/maven-branch-dependencylist-hbase-server.txt
 |
| mvndep | hbase-shell: 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/maven-branch-dependencylist-hbase-shell.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/patch-hbaseprotoc-hbase-protocol.txt
 |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
 |
| rubocop | v0.37.2 |
| rubocop | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/diff-patch-rubocop.txt
 |
| ruby-lint | v2.1.0 |
| ruby-lint | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/diff-patch-ruby-lint.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/whitespace-eol.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/patch-hbaseprotoc-hbase-protocol.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/755/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
 |
| JDK v1.7.0_95  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/testReport/ |
| modules | C:  hbase-protocol   hbase-client   hbase-server   hbase-shell  U: 
. |
| Max memory used | 127MB |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/755/console |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Disable region splits and merges switch in master
> -------------------------------------------------
>
>                 Key: HBASE-15128
>                 URL: https://issues.apache.org/jira/browse/HBASE-15128
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Enis Soztutar
>            Assignee: Heng Chen
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15128-branch-1.patch, HBASE-15128.patch, 
> HBASE-15128_v1.patch, HBASE-15128_v3.patch, HBASE-15128_v5.patch, 
> HBASE-15128_v6.patch, HBASE-15128_v7.patch, HBASE-15128_v8.patch, 
> HBASE-15128_v9.patch
>
>
> In large clusters where region splits are frequent, and HBCK runs take 
> longer, the concurrent splits cause further problems in HBCK since HBCK 
> assumes a static state for the region partition map. We have just seen a case 
> where HBCK undo's a concurrently splitting region causing number of 
> inconsistencies to go up. 
> We can have a mode in master where splits and merges are disabled like the 
> balancer and catalog janitor switches. Master will reject the split requests 
> if regionservers decide to split. This switch can be turned on / off by the 
> admins and also automatically by HBCK while it is running (similar to 
> balancer switch being disabled by HBCK). 
> HBCK  should also disable the Catalog Janitor just in case. 



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