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https://issues.apache.org/jira/browse/HBASE-9465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243563#comment-16243563
 ] 

Hadoop QA commented on HBASE-9465:
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| (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 
13s{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 5 new or modified test 
files. {color} |
|| || || || {color:brown} branch-1 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
47s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
56s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
27s{color} | {color:green} branch-1 passed with JDK v1.8.0_141 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
33s{color} | {color:green} branch-1 passed with JDK v1.7.0_151 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  4m 
33s{color} | {color:green} branch-1 passed {color} |
| {color:red}-1{color} | {color:red} shadedjars {color} | {color:red}  7m  
7s{color} | {color:red} branch has 12 errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
24s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
8s{color} | {color:green} branch-1 passed with JDK v1.8.0_141 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
19s{color} | {color:green} branch-1 passed with JDK v1.7.0_151 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
11s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  1m 
19s{color} | {color:red} root in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
25s{color} | {color:red} hbase-server in the patch failed with JDK v1.8.0_141. 
{color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red}  0m 25s{color} | 
{color:red} hbase-server in the patch failed with JDK v1.8.0_141. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 25s{color} 
| {color:red} hbase-server in the patch failed with JDK v1.8.0_141. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
27s{color} | {color:red} hbase-server in the patch failed with JDK v1.7.0_151. 
{color} |
| {color:red}-1{color} | {color:red} cc {color} | {color:red}  0m 27s{color} | 
{color:red} hbase-server in the patch failed with JDK v1.7.0_151. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 27s{color} 
| {color:red} hbase-server in the patch failed with JDK v1.7.0_151. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
23s{color} | {color:red} hbase-common: The patch generated 1 new + 9 unchanged 
- 1 fixed = 10 total (was 10) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
29s{color} | {color:red} hbase-client: The patch generated 4 new + 154 
unchanged - 5 fixed = 158 total (was 159) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  1m 
17s{color} | {color:red} hbase-server: The patch generated 9 new + 396 
unchanged - 11 fixed = 405 total (was 407) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch 1 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
0s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:red}-1{color} | {color:red} shadedjars {color} | {color:red}  1m 
32s{color} | {color:red} patch has 65 errors when building our shaded 
downstream artifacts. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  2m 
27s{color} | {color:red} The patch causes 65 errors with Hadoop v2.4.0. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  3m 
20s{color} | {color:red} The patch causes 65 errors with Hadoop v2.4.1. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  4m 
13s{color} | {color:red} The patch causes 65 errors with Hadoop v2.5.0. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  5m  
5s{color} | {color:red} The patch causes 65 errors with Hadoop v2.5.1. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  6m  
3s{color} | {color:red} The patch causes 65 errors with Hadoop v2.5.2. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  6m 
57s{color} | {color:red} The patch causes 65 errors with Hadoop v2.6.1. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  7m 
51s{color} | {color:red} The patch causes 65 errors with Hadoop v2.6.2. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  8m 
44s{color} | {color:red} The patch causes 65 errors with Hadoop v2.6.3. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  9m 
37s{color} | {color:red} The patch causes 65 errors with Hadoop v2.6.4. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 10m 
30s{color} | {color:red} The patch causes 65 errors with Hadoop v2.6.5. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 11m 
21s{color} | {color:red} The patch causes 65 errors with Hadoop v2.7.1. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 12m 
13s{color} | {color:red} The patch causes 65 errors with Hadoop v2.7.2. {color} 
|
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 13m  
4s{color} | {color:red} The patch causes 65 errors with Hadoop v2.7.3. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red} 13m 
59s{color} | {color:red} The patch causes 65 errors with Hadoop v2.7.4. {color} 
|
| {color:red}-1{color} | {color:red} hbaseprotoc {color} | {color:red}  0m 
20s{color} | {color:red} hbase-server in the patch failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
18s{color} | {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
17s{color} | {color:green} the patch passed with JDK v1.8.0_141 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
26s{color} | {color:green} the patch passed with JDK v1.7.0_151 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
22s{color} | {color:green} hbase-protocol in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
58s{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m  
9s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 26s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
26s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 58m 40s{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:4bf71c3 |
| JIRA Issue | HBASE-9465 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12896591/HBASE-9465-branch-1.v4.revert.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  xml  cc  hbaseprotoc  |
| uname | Linux 547ee6ed4389 3.13.0-133-generic #182-Ubuntu SMP Tue Sep 19 
15:49:21 UTC 2017 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 | branch-1 / dc1310f |
| maven | version: Apache Maven 3.0.5 |
| Default Java | 1.7.0_151 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-openjdk-amd64:1.8.0_141 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_151 |
| findbugs | v3.0.0 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-mvninstall-root.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.8.0_141.txt
 |
| cc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.8.0_141.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.8.0_141.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.7.0_151.txt
 |
| cc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.7.0_151.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-compile-hbase-server-jdk1.7.0_151.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/diff-checkstyle-hbase-common.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/diff-checkstyle-hbase-client.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/diff-checkstyle-hbase-server.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/whitespace-tabs.txt
 |
| hbaseprotoc | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-hbaseprotoc-hbase-server.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-findbugs-hbase-server.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/testReport/ |
| modules | C: hbase-protocol hbase-common hbase-client hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/9680/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


This message was automatically generated.



> Push entries to peer clusters serially
> --------------------------------------
>
>                 Key: HBASE-9465
>                 URL: https://issues.apache.org/jira/browse/HBASE-9465
>             Project: HBase
>          Issue Type: New Feature
>          Components: regionserver, Replication
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Honghua Feng
>            Assignee: Phil Yang
>            Priority: Critical
>             Fix For: 2.0.0, 1.4.0, 1.5.0
>
>         Attachments: HBASE-9465-branch-1-v1.patch, 
> HBASE-9465-branch-1-v1.patch, HBASE-9465-branch-1-v2.patch, 
> HBASE-9465-branch-1-v3.patch, HBASE-9465-branch-1-v4.patch, 
> HBASE-9465-branch-1-v4.patch, HBASE-9465-branch-1.v4.revert.patch, 
> HBASE-9465-v1.patch, HBASE-9465-v2.patch, HBASE-9465-v2.patch, 
> HBASE-9465-v3.patch, HBASE-9465-v4.patch, HBASE-9465-v5.patch, 
> HBASE-9465-v6.patch, HBASE-9465-v6.patch, HBASE-9465-v7.patch, 
> HBASE-9465-v7.patch, HBASE-9465.pdf
>
>
> When region-move or RS failure occurs in master cluster, the hlog entries 
> that are not pushed before region-move or RS-failure will be pushed by 
> original RS(for region move) or another RS which takes over the remained hlog 
> of dead RS(for RS failure), and the new entries for the same region(s) will 
> be pushed by the RS which now serves the region(s), but they push the hlog 
> entries of a same region concurrently without coordination.
> This treatment can possibly lead to data inconsistency between master and 
> peer clusters:
> 1. there are put and then delete written to master cluster
> 2. due to region-move / RS-failure, they are pushed by different 
> replication-source threads to peer cluster
> 3. if delete is pushed to peer cluster before put, and flush and 
> major-compact occurs in peer cluster before put is pushed to peer cluster, 
> the delete is collected and the put remains in peer cluster
> In this scenario, the put remains in peer cluster, but in master cluster the 
> put is masked by the delete, hence data inconsistency between master and peer 
> clusters



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