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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16423) Add re-compare option to VerifyReplication to avoid occasional inconsistent rows
Date Fri, 23 Sep 2016 00:01:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15514866#comment-15514866
] 

Hadoop QA commented on HBASE-16423:
-----------------------------------

| (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 19s {color} | {color:blue}
Docker mode activated. {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} 5m 33s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 7s {color} | {color:green}
master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 10s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 25s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 57s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 50s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 19s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 7s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 7s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 7s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 20s {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) that end in whitespace. Use git apply --whitespace=fix. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 45m 53s {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 25s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 48s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s {color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 107m 1s {color} | {color:red}
hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 30s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 175m 31s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| Timed out junit tests | org.apache.hadoop.hbase.regionserver.wal.TestSecureWALReplay |
|   | org.apache.hadoop.hbase.regionserver.wal.TestAsyncLogRolling |
|   | org.apache.hadoop.hbase.regionserver.wal.TestLogRolling |
|   | org.apache.hadoop.hbase.mapreduce.TestTableMapReduce |
|   | org.apache.hadoop.hbase.regionserver.TestCompoundBloomFilter |
|   | org.apache.hadoop.hbase.mapreduce.TestLoadIncrementalHFiles |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:7bda515 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12829858/HBASE-16423-v2.patch
|
| JIRA Issue | HBASE-16423 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux df7e1575e1fb 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@2/component/dev-support/hbase-personality.sh
|
| git revision | master / 83cf44c |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| whitespace | https://builds.apache.org/job/PreCommit-HBASE-Build/3670/artifact/patchprocess/whitespace-eol.txt
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| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/3670/artifact/patchprocess/patch-unit-hbase-server.txt
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| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/3670/artifact/patchprocess/patch-unit-hbase-server.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/3670/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/3670/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Add re-compare option to VerifyReplication to avoid occasional inconsistent rows
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-16423
>                 URL: https://issues.apache.org/jira/browse/HBASE-16423
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>    Affects Versions: 2.0.0
>            Reporter: Jianwei Cui
>            Priority: Minor
>         Attachments: HBASE-16423-v1.patch, HBASE-16423-v2.patch
>
>
> Because replication keeps eventually consistency, VerifyReplication may report inconsistent
rows if there are data being written to source or peer clusters during scanning. These occasionally
inconsistent rows will have the same data if we do the comparison again after a short period.
It is not easy to find the really inconsistent rows if VerifyReplication report a large number
of such occasionally inconsistency. To avoid this case, we can add an option to make VerifyReplication
read out the inconsistent rows again after sleeping a few seconds and re-compare the rows
during scanning. This behavior follows the eventually consistency of hbase's replication.
Suggestions and discussions are welcomed.



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