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https://issues.apache.org/jira/browse/HBASE-19893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425394#comment-16425394
 ] 

Hadoop QA commented on HBASE-19893:
-----------------------------------

| (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  
9s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 2 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
38s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
42s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
16s{color} | {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} shadedjars {color} | {color:red}  1m 
27s{color} | {color:red} branch has 7 errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
57s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
29s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
18s{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:red}-1{color} | {color:red} shadedjars {color} | {color:red}  0m 
11s{color} | {color:red} patch has 7 errors when building our shaded downstream 
artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
15m 25s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
29s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}102m  6s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
20s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}139m  4s{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:d8b550f |
| JIRA Issue | HBASE-19893 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12917521/HBASE-19893.master.003.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux c89c8378bff5 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 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 / 0c0fe05bc4 |
| maven | version: Apache Maven 3.5.3 
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| Default Java | 1.8.0_162 |
| findbugs | v3.1.0-RC3 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12297/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12297/testReport/ |
| Max. process+thread count | 4457 (vs. ulimit of 10000) |
| modules | C: hbase-server U: hbase-server |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12297/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> restore_snapshot is broken in master branch when region splits
> --------------------------------------------------------------
>
>                 Key: HBASE-19893
>                 URL: https://issues.apache.org/jira/browse/HBASE-19893
>             Project: HBase
>          Issue Type: Bug
>          Components: snapshots
>            Reporter: Toshihiro Suzuki
>            Assignee: Toshihiro Suzuki
>            Priority: Critical
>         Attachments: HBASE-19893.master.001.patch, 
> HBASE-19893.master.002.patch, HBASE-19893.master.003.patch
>
>
> When I was investigating HBASE-19850, I found restore_snapshot didn't work in 
> master branch.
>  
> Steps to reproduce are as follows:
> 1. Create a table
> {code:java}
> create "test", "cf"
> {code}
> 2. Load data (2000 rows) to the table
> {code:java}
> (0...2000).each{|i| put "test", "row#{i}", "cf:col", "val"}
> {code}
> 3. Split the table
> {code:java}
> split "test"
> {code}
> 4. Take a snapshot
> {code:java}
> snapshot "test", "snap"
> {code}
> 5. Load more data (2000 rows) to the table and split the table agin
> {code:java}
> (2000...4000).each{|i| put "test", "row#{i}", "cf:col", "val"}
> split "test"
> {code}
> 6. Restore the table from the snapshot 
> {code:java}
> disable "test"
> restore_snapshot "snap"
> enable "test"
> {code}
> 7. Scan the table
> {code:java}
> scan "test"
> {code}
> However, this scan returns only 244 rows (it should return 2000 rows) like 
> the following:
> {code:java}
> hbase(main):038:0> scan "test"
> ROW COLUMN+CELL
>  row78 column=cf:col, timestamp=1517298307049, value=val
> ....
>   row999 column=cf:col, timestamp=1517298307608, value=val
> 244 row(s)
> Took 0.1500 seconds
> {code}
>  
> Also, the restored table should have 2 online regions but it has 3 online 
> regions.
>  



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