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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18747) Introduce new example and helper classes to tell CP users how to do filtering on scanners
Date Wed, 11 Oct 2017 17:41:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16200650#comment-16200650
] 

Hadoop QA commented on HBASE-18747:
-----------------------------------

| (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} 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 5 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 36s{color} | {color:blue}
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 22s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  4m 27s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 23s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  2m 34s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  9m  8s{color}
| {color:green} branch has no errors when building our shaded downstream artifacts. {color}
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| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 14s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 45s{color} |
{color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 19s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m  0s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  4m 37s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  4m 37s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 25s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  2m 30s{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} xml {color} | {color:green}  0m  3s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 13s{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} 39m 53s{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-alpha4. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue}
Skipped patched modules with no Java source: . {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 31s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  4m 20s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}132m 34s{color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m  9s{color} | {color:green}
hbase-examples in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}185m 16s{color} | {color:red}
root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 53s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}409m  7s{color} | {color:black}
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.thrift.TestThriftHttpServer |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:5d60123 |
| JIRA Issue | HBASE-18747 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12891456/HBASE-18747.patch
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| Optional Tests |  asflicense  shadedjars  javac  javadoc  unit  xml  compile  findbugs 
hadoopcheck  hbaseanti  checkstyle  |
| uname | Linux 51e01777751c 3.13.0-119-generic #166-Ubuntu SMP Wed May 3 12:18:55 UTC 2017
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 / 690ff38 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/9040/artifact/patchprocess/patch-unit-root.txt
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|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/9040/testReport/ |
| modules | C: hbase-server hbase-examples . U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/9040/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Introduce new example and helper classes to tell CP users how to do filtering on scanners
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-18747
>                 URL: https://issues.apache.org/jira/browse/HBASE-18747
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Critical
>             Fix For: 2.0.0-alpha-4
>
>         Attachments: HBASE-18747.patch
>
>
> Finally we decided that CP users should not have the ability to create {{StoreScanner}}
or {{StoreFileScanner}}, so it is impossible for them to filter out some cells when flush
or compaction by simply provide a filter when constructing {{StoreScanner}}.
> But I think filtering out some cells is a very important usage for CP users, so we need
to provide the ability in another way. Theoretically it can be done with wrapping an {{InternalScanner}},
but I think we need to give an example, or even some helper classes to help CP users.



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