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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17460) enable_table_replication can not perform cyclic replication of a table
Date Fri, 03 Mar 2017 13:37:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894366#comment-15894366
] 

Hadoop QA commented on HBASE-17460:
-----------------------------------

| (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 16s {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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red}
The patch doesn't appear to include any new or modified tests. Please justify why no new tests
are needed for this patch. Also please list what manual steps were performed to verify this
patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 22s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 9s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 47s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 16s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 16s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 9s {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} 27m 31s {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-alpha2. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 10s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 26s {color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 8s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 38m 26s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:8d52d23 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12855845/HBASE-17460-addendum2.patch
|
| JIRA Issue | HBASE-17460 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 2535aa49129e 3.13.0-107-generic #154-Ubuntu SMP Tue Dec 20 09:57:27 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 / 678ad0e |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/5928/testReport/ |
| modules | C: hbase-client U: hbase-client |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/5928/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> enable_table_replication can not perform cyclic replication of a table
> ----------------------------------------------------------------------
>
>                 Key: HBASE-17460
>                 URL: https://issues.apache.org/jira/browse/HBASE-17460
>             Project: HBase
>          Issue Type: Bug
>          Components: Replication
>            Reporter: NITIN VERMA
>            Assignee: NITIN VERMA
>              Labels: incompatibleChange, replication
>             Fix For: 2.0.0
>
>         Attachments: 17460-addendum.txt, 17460-addendum.v2.txt, 17460.branch-1.v3.txt,
17460.v5.txt, HBASE-17460-addendum2.patch, HBASE-17460-branch-1-v5-plusaddendum-v2.patch,
HBASE-17460.patch, HBASE-17460_v2.patch, HBASE-17460_v3.patch, HBASE-17460_v4.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> The enable_table_replication operation is broken for cyclic replication of HBase table
as we compare all the properties of column families (including REPLICATION_SCOPE). 
> Below is exactly what happens:
> 1.  Running "enable_table_replication 'table1'  " opeartion on first cluster will set
the REPLICATION_SCOPE of all column families to peer id '1'. This will also create a table
on second cluster where REPLICATION_SCOPE is still set to peer id '0'.
> 2. Now when we run "enable_table_replication 'table1'" on second cluster, we compare
all the properties of table (including REPLICATION_SCOPE_, which obviously is different now.

> I am proposing a fix for this issue where we should avoid comparing REPLICATION_SCOPE
inside HColumnDescriotor::compareTo() method, especially when replication is not already enabled
on the desired table.
> I have made that change and it is working. I will submit the patch soon.



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