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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13985) s3guard: add a version marker to every table
Date Wed, 18 Jan 2017 19:14:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828594#comment-15828594
] 

Hadoop QA commented on HADOOP-13985:
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| (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 24s{color} | {color:blue}
Docker mode activated. {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 3 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 57s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  3m 34s{color} | {color:red}
root in HADOOP-13345 failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 49s{color} |
{color:green} HADOOP-13345 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 33s{color}
| {color:green} HADOOP-13345 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 31s{color} |
{color:green} HADOOP-13345 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 45s{color}
| {color:green} HADOOP-13345 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  3s{color} |
{color:green} HADOOP-13345 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 12s{color} |
{color:green} HADOOP-13345 passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 17s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  1s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 20s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  9m 20s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 35s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 32s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 45s{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} findbugs {color} | {color:green}  2m 25s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 18s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  8m 30s{color} | {color:green}
hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 48s{color} | {color:green}
hadoop-aws in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 38s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 75m  0s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HADOOP-13985 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12848101/HADOOP-13985-HADOOP-13345-001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 30e64863197b 3.13.0-103-generic #150-Ubuntu SMP Thu Nov 24 10:34:17 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | HADOOP-13345 / f10114c |
| Default Java | 1.8.0_111 |
| mvninstall | https://builds.apache.org/job/PreCommit-HADOOP-Build/11458/artifact/patchprocess/branch-mvninstall-root.txt
|
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/11458/testReport/ |
| modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws U: . |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/11458/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> s3guard: add a version marker to every table
> --------------------------------------------
>
>                 Key: HADOOP-13985
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13985
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: HADOOP-13345
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-13985-HADOOP-13345-001.patch
>
>
> This is something else we need before any preview: a way to identify a table version,
so that if future versions change the table structure:
> * older clients can recognise that it's a newer format, and fail
> * the future version can identify that it's an older format, and fail until some fsck-upgrade
operation has taken place
> I think something like a row on a path which is impossible in a real filesystem, such
as "../VERSION" would allow a version marker to go in; the length field could be abused for
the version number.
> This field would be something that'd be checked in init(), so be the simple test for
table existence we need for faster init



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