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https://issues.apache.org/jira/browse/HADOOP-15876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909327#comment-16909327
 ] 

Hadoop QA commented on HADOOP-15876:
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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 12s{color} 
| {color:red} https://github.com/apache/hadoop/pull/434 does not apply to 
trunk. Rebase required? Wrong Branch? See 
https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| GITHUB PR | https://github.com/apache/hadoop/pull/434 |
| JIRA Issue | HADOOP-15876 |
| Console output | 
https://builds.apache.org/job/hadoop-multibranch/job/PR-434/5/console |
| versions | git=2.7.4 |
| Powered by | Apache Yetus 0.10.0 http://yetus.apache.org |


This message was automatically generated.



> Use keySet().removeAll() to remove multiple keys from Map in 
> AzureBlobFileSystemStore
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15876
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15876
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: 3.2.0
>            Reporter: Ted Yu
>            Assignee: Da Zhou
>            Priority: Minor
>             Fix For: 3.2.1
>
>         Attachments: HADOOP-15876-001.patch
>
>
> Looking at 
> hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
>  , {{removeDefaultAcl}} in particular:
> {code}
>     for (Map.Entry<String, String> defaultAclEntry : 
> defaultAclEntries.entrySet()) {
>       aclEntries.remove(defaultAclEntry.getKey());
>     }
> {code}
> The above operation can be written this way:
> {code}
>     aclEntries.keySet().removeAll(defaultAclEntries.keySet());
> {code}



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