[
https://issues.apache.org/jira/browse/HDFS-10560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343945#comment-15343945
]
Hadoop QA commented on HDFS-10560:
----------------------------------
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| 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 5s {color}
| {color:red} HDFS-10560 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12812432/HDFS-10560.001.patch |
| JIRA Issue | HDFS-10560 |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/15869/console |
| Powered by | Apache Yetus 0.3.0 http://yetus.apache.org |
This message was automatically generated.
> DiskBalancer: Reuse ObjectMapper instance to improve the performance
> --------------------------------------------------------------------
>
> Key: HDFS-10560
> URL: https://issues.apache.org/jira/browse/HDFS-10560
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer & mover
> Affects Versions: HDFS-1312
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Attachments: HDFS-10560.001.patch
>
>
> In branch HDFS-1312, there are many places use {{ObjectMapper}} instances to
> do the json-object transform. But {{ObjectMapper}} instance is relatively
> heavy, we should reuse them as possible. And In addition, {{ObjectMapper}} is
> thread safe, can see this link:http://wiki.fasterxml.com/JacksonFAQ.
> Here are related issues: HDFS-9724, HDFS-9768. We can see detail info in this
> issues.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
