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https://issues.apache.org/jira/browse/YARN-9268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16795941#comment-16795941
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Hadoop QA commented on YARN-9268:
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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} YARN-9268 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 Issue | YARN-9268 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12962959/YARN-9268-004.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/23746/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


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> General improvements in FpgaDevice
> ----------------------------------
>
>                 Key: YARN-9268
>                 URL: https://issues.apache.org/jira/browse/YARN-9268
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>         Attachments: YARN-9268-001.patch, YARN-9268-002.patch, 
> YARN-9268-003.patch, YARN-9268-004.patch
>
>
> Need to fix the following in the class {{FpgaDevice}}:
>  * It implements {{Comparable}}, but returns 0 in every case. There is no 
> natural ordering among FPGA devices, perhaps "acl0" comes before "acl1", but 
> this seems too forced and unnecessary.We think this class should not 
> implement {{Comparable}} at all, at least not like that.
>  * Stores unnecessary fields: devName, busNum, temperature, power usage. For 
> one, these are never needed in the code. Secondly, temp and power usage 
> changes constantly. It's pointless to store these in this POJO.
>  * {{serialVersionUID}} is 1L - let's generate a number for this
>  * Use {{int}} instead of {{Integer}} - don't allow nulls. If major/minor 
> uniquely identifies the card, then let's demand them in the constructor and 
> don't store Integers that can be null.



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