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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17608) Add suspend support for RawScanResultConsumer
Date Wed, 22 Feb 2017 10:38:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15877969#comment-15877969
] 

Hadoop QA commented on HBASE-17608:
-----------------------------------

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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 27s {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 4 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 8s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 19s {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} mvneclipse {color} | {color:green} 0m 44s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 28s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 9s {color} | {color:green}
master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 11s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 45s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 33s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 33s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 30s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 48s {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} 30m 9s {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} 4m 43s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 19s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 53s {color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 19s {color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 118m 24s {color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 40s {color} | {color:green}
hbase-endpoint in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 52s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 179m 57s {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/12853903/HBASE-17608-v5.patch
|
| JIRA Issue | HBASE-17608 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux b8c3f3b43322 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6 15:44:32 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 / c579cf6 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/5794/testReport/ |
| modules | C: hbase-common hbase-client hbase-server hbase-endpoint U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/5794/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Add suspend support for RawScanResultConsumer
> ---------------------------------------------
>
>                 Key: HBASE-17608
>                 URL: https://issues.apache.org/jira/browse/HBASE-17608
>             Project: HBase
>          Issue Type: Sub-task
>          Components: asyncclient, Client, scan
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17608.patch, HBASE-17608-v1.patch, HBASE-17608-v2.patch, HBASE-17608-v3.patch,
HBASE-17608-v4.patch, HBASE-17608-v5.patch
>
>
> Now for the AsyncResultScanner, we can only close the scanner if we reach the cache size
limit and open a new scanner later. This will breaks the region level consistency.
> For example, you put 10 rows to the region, and open a scanner to scan it. The scanner
returns 5 rows at the first time and the cache is full, so it closes the background scanner.
And before you reopens the scanner to fetch data, the remaining 5 rows has been deleted and
a compaction makes them gone for ever. Then after you reopen the scanner you can not see the
remaining 5 rows.
> So here we should keep the scanner open at RS side to prevent the data below the mvcc
read point of this scanner being deleted.



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