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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10519) Add a configuration option to enable in-progress edit log tailing
Date Mon, 25 Jul 2016 22:31:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392766#comment-15392766
] 

Hadoop QA commented on HDFS-10519:
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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  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  6s{color} | {color:red}
HDFS-10519 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12819511/HDFS-10519.010.patch
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| JIRA Issue | HDFS-10519 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/16175/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Add a configuration option to enable in-progress edit log tailing
> -----------------------------------------------------------------
>
>                 Key: HDFS-10519
>                 URL: https://issues.apache.org/jira/browse/HDFS-10519
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha
>            Reporter: Jiayi Zhou
>            Assignee: Jiayi Zhou
>            Priority: Minor
>         Attachments: HDFS-10519.001.patch, HDFS-10519.002.patch, HDFS-10519.003.patch,
HDFS-10519.004.patch, HDFS-10519.005.patch, HDFS-10519.006.patch, HDFS-10519.007.patch, HDFS-10519.008.patch,
HDFS-10519.009.patch, HDFS-10519.010.patch
>
>
> Standby Namenode has the option to do in-progress edit log tailing to improve the data
freshness. In-progress tailing is already implemented, but it's not enabled as default configuration.
And there's no related configuration key to turn it on.
> Adding a related configuration key to let Standby Namenode is reasonable and would be
a basis for further improvement on Standby Namenode.



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