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https://issues.apache.org/jira/browse/HADOOP-15950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707777#comment-16707777
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Íñigo Goiri commented on HADOOP-15950:
--------------------------------------
Cherry-picked all the way to branch-2.9.
Internally we need this setup.
> 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
> Fix For: 3.3.0
>
> Attachments: HADOOP-15950.001.patch, HADOOP-15950.002.patch,
> HADOOP-15950.003.patch, HADOOP-15950.004.patch, HADOOP-15950.005.patch,
> HADOOP-15950.006.patch, HADOOP-15950.007.patch, HADOOP-15950.008.patch,
> HADOOP-15950.009.patch, HADOOP-15950.010.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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