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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16210) Add Timestamp class to the hbase-common and Timestamp type to HTable.
Date Wed, 13 Jul 2016 18:37:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375509#comment-15375509
] 

Hadoop QA commented on HBASE-16210:
-----------------------------------

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {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 1 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 51s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s {color} |
{color:green} master passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 44s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 19s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 41s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} master passed with JDK v1.7.0_80 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 10s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 36s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 50s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 50s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 32s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 32s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 45s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 19s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 26m 29s {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} findbugs {color} | {color:green} 2m 10s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 52s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 37s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 55s {color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 3s {color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 16s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 45m 39s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12817764/HBASE-16210.master.6.patch
|
| JIRA Issue | HBASE-16210 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux asf907.gq1.ygridcore.net 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/component/dev-support/hbase-personality.sh
|
| git revision | master / 3b3c3dc |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 /home/jenkins/jenkins-slave/tools/hudson.model.JDK/JDK_1.7_latest_:1.7.0_80
|
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/2623/testReport/ |
| modules | C: hbase-common hbase-client U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/2623/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> Add Timestamp class to the hbase-common and Timestamp type to HTable.
> ---------------------------------------------------------------------
>
>                 Key: HBASE-16210
>                 URL: https://issues.apache.org/jira/browse/HBASE-16210
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Sai Teja Ranuva
>            Assignee: Sai Teja Ranuva
>            Priority: Minor
>              Labels: patch, testing
>         Attachments: HBASE-16210.master.1.patch, HBASE-16210.master.2.patch, HBASE-16210.master.3.patch,
HBASE-16210.master.4.patch, HBASE-16210.master.5.patch, HBASE-16210.master.6.patch
>
>
> This is a sub-issue of [HBase-14070|https://issues.apache.org/jira/browse/HBASE-14070].
This JIRA is a small step towards completely adding Hybrid Logical Clocks(HLC) to HBase. The
main idea of HLC is described in [HBase-14070|https://issues.apache.org/jira/browse/HBASE-14070]
along with the motivation of adding it to HBase. 
> What is this patch/issue about ?
> This issue attempts to add a timestamp class to hbase-common and timestamp type to HTable.

> This is a part of the attempt to get HLC into HBase. This patch does not interfere with
the current working of HBase.
> Why Timestamp Class ?
> Timestamp class can be as an abstraction to represent time in Hbase in 64 bits. 
> It is just used for manipulating with the 64 bits of the timestamp and is not concerned
about the actual time.
> There are three types of timestamps. System time, Custom and HLC. Each one of it has
methods to manipulate the 64 bits of timestamp. 
> HTable changes: Added a timestamp type property to HTable. This will help HBase exist
in conjunction with old type of timestamp and also the HLC which will be introduced. The default
is set to custom timestamp(current way of usage of timestamp). default unset timestamp is
also custom timestamp as it should be so. The default timestamp will be changed to HLC when
HLC feature is introduced completely in HBase.
> Suggestions are welcome.



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