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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18806) VerifyRep by snapshot need not to restore snapshot for each mapper
Date Wed, 03 Jan 2018 13:10:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16309625#comment-16309625
] 

Hadoop QA commented on HBASE-18806:
-----------------------------------

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  2m 54s{color} | {color:blue}
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|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Findbugs executables are not available. {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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 11s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 32s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  1s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 20s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  6m  5s{color}
| {color:green} branch has no errors when building our shaded downstream artifacts. {color}
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 47s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 14s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 41s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  6s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  6s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m  9s{color}
| {color:green} hbase-server: The patch generated 0 new + 1 unchanged - 5 fixed = 1 total
(was 6) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 19s{color}
| {color:green} hbase-mapreduce: The patch generated 0 new + 97 unchanged - 5 fixed = 97 total
(was 102) {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} shadedjars {color} | {color:green}  4m 45s{color}
| {color:green} patch has no errors when building our shaded downstream artifacts. {color}
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| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 20m  3s{color}
| {color:green} Patch does not cause any errors with Hadoop 2.6.5 2.7.4 or 3.0.0. {color}
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 45s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}111m  4s{color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 12m 55s{color} | {color:green}
hbase-mapreduce in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 36s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}168m 48s{color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:eee3b01 |
| JIRA Issue | HBASE-18806 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12904368/HBASE-18806.v5.patch
|
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  hadoopcheck  hbaseanti
 checkstyle  compile  |
| uname | Linux b911d4b72435 3.13.0-133-generic #182-Ubuntu SMP Tue Sep 19 15:49:21 UTC 2017
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 / a47afc84cd |
| maven | version: Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z)
|
| Default Java | 1.8.0_151 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/10868/testReport/ |
| modules | C: hbase-server hbase-mapreduce U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/10868/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


This message was automatically generated.



> VerifyRep by snapshot need not to restore snapshot for each mapper
> ------------------------------------------------------------------
>
>                 Key: HBASE-18806
>                 URL: https://issues.apache.org/jira/browse/HBASE-18806
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>    Affects Versions: 2.0.0-alpha-2
>            Reporter: Zheng Hu
>            Assignee: Zheng Hu
>         Attachments: HBASE-18806.v1.patch, HBASE-18806.v2.patch, HBASE-18806.v3.patch,
HBASE-18806.v3.patch, HBASE-18806.v4.patch, HBASE-18806.v4.patch, HBASE-18806.v5.patch
>
>
> In following method stack,  seems like each mapper task will restore the snapshot.  
If we verify replication  by a snapshot which has many hfiles,  then we will take long time
to restore snapshot.   In our  cluster,   we took ~30min for the snapshot restoring when verify
a big table.
> {code}
> Verifier.map
>     |-------->  replicatedScanner = new TableSnapshotScanner(...)
>                                                                 |-------->  TableSnapshotScanner.init()
>                                                                                     
     |-----> RestoreSnapshotHelper.copySnapshotForScanner
> {code} 



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