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https://issues.apache.org/jira/browse/HBASE-14135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16079365#comment-16079365
 ] 

Hadoop QA commented on HBASE-14135:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
31s{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}  8m 
41s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
47s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
49s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
41s{color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  7m 
58s{color} | {color:red} hbase-server in master has 10 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
77m 18s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha3. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  8m 
27s{color} | {color:red} hbase-server generated 3 new + 10 unchanged - 0 fixed 
= 13 total (was 10) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
23s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}213m 38s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}332m 27s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Nullcheck of conn at line 94 of value previously dereferenced in 
org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupMergeJob.run(String[])  
At MapReduceBackupMergeJob.java:94 of value previously dereferenced in 
org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupMergeJob.run(String[])  
At MapReduceBackupMergeJob.java:[line 94] |
|  |  Exception is caught when Exception is not thrown in 
org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupMergeJob.run(String[])  
At MapReduceBackupMergeJob.java:is not thrown in 
org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupMergeJob.run(String[])  
At MapReduceBackupMergeJob.java:[line 161] |
|  |  org.apache.hadoop.hbase.backup.util.BackupUtils.MILLISEC_IN_HOUR isn't 
final but should be  At BackupUtils.java:be  At BackupUtils.java:[line 73] |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.03.0-ce Server=17.03.0-ce Image:yetus/hbase:757bf37 |
| JIRA Issue | HBASE-14135 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12874988/HBASE-14135-v3.patch |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 5db52a88b226 4.8.3-std-1 #1 SMP Fri Oct 21 11:15:43 UTC 2016 
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 / bc8ebc6 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC3 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7581/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7581/artifact/patchprocess/new-findbugs-hbase-server.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7581/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7581/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7581/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> HBase Backup/Restore Phase 3: Merge backup images
> -------------------------------------------------
>
>                 Key: HBASE-14135
>                 URL: https://issues.apache.org/jira/browse/HBASE-14135
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Blocker
>              Labels: backup
>             Fix For: 2.0.0
>
>         Attachments: HBASE-14135-v3.patch
>
>
> User can merge incremental backup images into single incremental backup image.
> # Merge supports only incremental images
> # Merge supports only images for the same backup destinations
> Command:
> {code}
> hbase backup merge image1,image2,..imageK
> {code}
> Example:
> {code}
> hbase backup merge backup_143126764557,backup_143126764456 
> {code}
> When operation is complete, only the most recent backup image will be kept 
> (in above example -  backup_143126764557) as a merged backup image, all other 
> images will be deleted from both: file system and backup system tables, 
> corresponding backup manifest for the merged backup image will be updated to 
> remove dependencies from deleted images. Merged backup image will contains 
> all the data from original image and from deleted images.



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