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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18945) Make a Public interface for CellComparator
Date Tue, 10 Oct 2017 21:26:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16199398#comment-16199398
] 

Hadoop QA commented on HBASE-18945:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 13m 20s{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 2 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 37s{color} | {color:blue}
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 27s{color}
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| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 34s{color} |
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 24s{color}
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| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  6m 21s{color}
| {color:green} branch has no errors when building our shaded downstream artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 27s{color} |
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| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 19s{color} | {color:blue}
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 41s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 33s{color} |
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| {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 25s{color}
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| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 58s{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} shadedjars {color} | {color:green}  4m  9s{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 27s{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:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 55s{color} |
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 13s{color} |
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| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 18s{color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 36s{color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 99m 42s{color} | {color:green}
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| {color:green}+1{color} | {color:green} unit {color} | {color:green}  9m 37s{color} | {color:green}
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| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  1m  1s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}199m 50s{color} | {color:black}
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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-18945 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12891314/HBASE-18945_2.patch
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| Optional Tests |  asflicense  shadedjars  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti
 checkstyle  compile  |
| uname | Linux 52c6d5727757 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017
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 / 73b6bd0 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/9026/testReport/ |
| modules | C: hbase-common hbase-client hbase-server hbase-mapreduce U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/9026/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Make a Public interface for CellComparator
> ------------------------------------------
>
>                 Key: HBASE-18945
>                 URL: https://issues.apache.org/jira/browse/HBASE-18945
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-18495.patch, HBASE-18945_2.patch
>
>
> Based on discussions over in HBASE-18826 and HBASE-18183 it is better we expose CellComparator
as a public interface so that it could be used in Region/Store interfaces to be exposed to
CPs.
> Currently the Comparator is exposed in Region, STore and StoreFile. There is another
discussion whether to expose it at all layers or only at Region. However since we are exposing
this to CPs CellComparator being @Private is not the ideal way to do it. We have to change
it to LimitedPrivate. But CellComparator has lot of additional methods which are internal
(like where a Cell is compared with an incoming byte[] used in index comparsions etc).
> One way to expose is that as being done now in HBASE-18826 - by exposing the return type
as Comparator<Cell>. But this is not powerful. It only allows to compare cells. So we
try to expose an IA.LimitedPrivate interface that is more powerful and allows comparing individual
cell components also. 



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