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https://issues.apache.org/jira/browse/HBASE-15321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166852#comment-15166852
 ] 

Hadoop QA commented on HBASE-15321:
-----------------------------------

| (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 0s 
{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 
12s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 
1s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
17s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
58s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s 
{color} | {color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s 
{color} | {color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 4m 19s 
{color} | {color:red} Patch generated 8 new checkstyle issues in hbase-server 
(total was 251, now 259). {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
18s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
25m 34s {color} | {color:green} Patch does not cause any errors with Hadoop 
2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
12s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 31s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 15m 46s {color} 
| {color:red} hbase-server in the patch failed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 16m 40s {color} 
| {color:red} hbase-server in the patch failed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 11s 
{color} | {color:red} Patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 80m 27s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | 
hadoop.hbase.regionserver.TestMetricsRegionServer |
|   | hadoop.hbase.regionserver.TestMetricsRegion |
|   | hadoop.hbase.ipc.TestRpcMetrics |
| JDK v1.7.0_95 Failed junit tests | 
hadoop.hbase.regionserver.TestMetricsRegionServer |
|   | hadoop.hbase.regionserver.TestMetricsRegion |
|   | hadoop.hbase.ipc.TestRpcMetrics |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-02-25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12789864/HBASE-15321-v1.patch |
| JIRA Issue | HBASE-15321 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux d798000823d5 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 | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / 43f99de |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_95.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_95.txt
 |
| JDK v1.7.0_95  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: hbase-server U: hbase-server |
| Max memory used | 184MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/692/console |


This message was automatically generated.



> Ability to open a HRegion from hdfs snapshot.
> ---------------------------------------------
>
>                 Key: HBASE-15321
>                 URL: https://issues.apache.org/jira/browse/HBASE-15321
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 2.0.0
>            Reporter: churro morales
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15321-v1.patch, HBASE-15321.patch
>
>
> Now that hdfs snapshots are here, we started to run our mapreduce jobs over 
> hdfs snapshots.  The thing is, hdfs snapshots are read-only point-in-time 
> copies of the file system.  Thus we had to modify the section of code that 
> initialized the region internals in HRegion.   We have to skip cleanup of 
> certain directories if the HRegion is backed by a hdfs snapshot.  I have a 
> patch for trunk with some basic tests if folks are interested.  



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