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https://issues.apache.org/jira/browse/HBASE-9465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383853#comment-15383853
 ] 

Hadoop QA commented on HBASE-9465:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {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 3 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 37s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 
14s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 7s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 28s 
{color} | {color:green} master passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 9m 
45s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
43s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m 
54s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m 
28s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 40s 
{color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 20s 
{color} | {color:green} master passed with JDK v1.7.0_80 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
42s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 36s 
{color} | {color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 2m 36s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 36s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 31s 
{color} | {color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 1m 31s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 31s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 9m 
48s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
47s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s 
{color} | {color:red} The patch has 1 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 1s 
{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
28m 6s {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} hbaseprotoc {color} | {color:green} 0m 
53s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 6m 
34s {color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 3m 54s 
{color} | {color:red} hbase-client-jdk1.8.0 with JDK v1.8.0 generated 2 new + 
13 unchanged - 0 fixed = 15 total (was 13) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 37s 
{color} | {color:green} the patch passed with JDK v1.8.0 {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 5m 26s 
{color} | {color:red} hbase-client-jdk1.7.0_80 with JDK v1.7.0_80 generated 2 
new + 13 unchanged - 0 fixed = 15 total (was 13) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 31s 
{color} | {color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 25s 
{color} | {color:green} hbase-protocol in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 55s 
{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 4s 
{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 118m 44s 
{color} | {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
58s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 206m 53s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hbase.master.procedure.TestMasterFailoverWithProcedures |
|   | hadoop.hbase.replication.TestMasterReplication |
|   | hadoop.hbase.regionserver.TestHRegion |
| Timed out junit tests | org.apache.hadoop.hbase.TestMultiVersions |
|   | org.apache.hadoop.hbase.filter.TestFilterWithScanLimits |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12818745/HBASE-9465-v1.patch |
| JIRA Issue | HBASE-9465 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  xml  cc  hbaseprotoc  |
| uname | Linux asf909.gq1.ygridcore.net 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 / 1a62eaa |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 
/home/jenkins/jenkins-slave/tools/hudson.model.JDK/JDK_1.7_latest_:1.7.0_80 |
| findbugs | v3.0.0 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/artifact/patchprocess/whitespace-tabs.txt
 |
| javadoc | hbase-client-jdk1.8.0: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/artifact/patchprocess/diff-javadoc-javadoc-hbase-client-jdk1.8.0.txt
 |
| javadoc | hbase-client-jdk1.7.0_80: 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/artifact/patchprocess/diff-javadoc-javadoc-hbase-client-jdk1.7.0_80.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/testReport/ |
| modules | C: hbase-protocol hbase-common hbase-client hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/2677/console |
| Powered by | Apache Yetus 0.2.1   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
>            Reporter: Honghua Feng
>            Assignee: Phil Yang
>         Attachments: HBASE-9465-v1.patch, HBASE-9465-v2.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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