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https://issues.apache.org/jira/browse/HADOOP-15950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700888#comment-16700888
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Wei-Chiu Chuang commented on HADOOP-15950:
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Had a quick first pass. The change looks reasonable to me. Please add the
instructions in the "Groups Mapping" doc, and update core-default.xml for the
new configuration keys.
> Failover for LdapGroupsMapping
> ------------------------------
>
> Key: HADOOP-15950
> URL: https://issues.apache.org/jira/browse/HADOOP-15950
> Project: Hadoop Common
> Issue Type: New Feature
> Components: common, security
> Reporter: Lukas Majercak
> Assignee: Lukas Majercak
> Priority: Major
> Attachments: HADOOP-15950.001.patch, HADOOP-15950.002.patch,
> HADOOP-15950.003.patch, HADOOP-15950.004.patch
>
>
> Currently, LdapGroupsMapping supports only a single ldap server url, this can
> obviously cause issues if the ldap instance goes down. This JIRA attempts to
> improve this by allowing users to list multiple ldap server urls, and
> performing a failover if we detect any issues.
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