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https://issues.apache.org/jira/browse/HDFS-9593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16444889#comment-16444889
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genericqa commented on HDFS-9593:
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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  5s{color} 
| {color:red} HDFS-9593 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 | HDFS-9593 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12779145/BlockTokenIdentifier.HDFS-9593.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/24004/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> BlockTokenIdentifier Code Review
> --------------------------------
>
>                 Key: HDFS-9593
>                 URL: https://issues.apache.org/jira/browse/HDFS-9593
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: BELUGA BEHR
>            Assignee: BELUGA BEHR
>            Priority: Trivial
>         Attachments: BlockTokenIdentifier.HDFS-9593.patch
>
>
> Please find attached a code review of BlockTokenIdentifier.
> The only real change is using an explicit StringBuilder instead of an 
> implicit one so that the internal buffer may be set more appropriately and 
> checking for zero-length string instead of comparing to an empty string.  The 
> relatively small default buffer of 16 bytes would need to be expanded several 
> times to fit the incoming string.



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