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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2018/10/24 16:21:00 UTC
[jira] [Updated] (HADOOP-15876) Use keySet().removeAll() to remove
multiple keys from Map in AzureBlobFileSystemStore
[ https://issues.apache.org/jira/browse/HADOOP-15876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran updated HADOOP-15876:
------------------------------------
Issue Type: Sub-task (was: Improvement)
Parent: HADOOP-15763
> 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
> Reporter: Ted Yu
> Priority: Minor
>
> 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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