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https://issues.apache.org/jira/browse/HADOOP-10833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14063854#comment-14063854
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Benoy Antony commented on HADOOP-10833:
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[~vinayrpet], Could you please review this patch also ?
> Unused cache in UserProvider
> ----------------------------
>
> Key: HADOOP-10833
> URL: https://issues.apache.org/jira/browse/HADOOP-10833
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.4.1
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HADOOP-10833.patch
>
>
> _UserProvider_ contains the field cache.
> {code}
> private final Map<String, CredentialEntry> cache = new HashMap<String,
> CredentialEntry>();
> {code}
>
> It is referenced only in {{deleteCredentialEntry}} and so there is no real
> usage of {{cache}.
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