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https://issues.apache.org/jira/browse/HADOOP-12291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15278105#comment-15278105
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Wei-Chiu Chuang commented on HADOOP-12291:
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Thanks for the contribution. I reviewed it again.
# Could you add a debug message in {{goUpGroupHierarchy()}} to print out the
filter string before the LDAP query is sent out?
# I suppose this is not compatible with posixGroup?
# In each {{goUpGroupHierarchy()}}, you get a new {{InitialDirContext}} object
through {{getDirContext()}}. This can slow down performance since it will start
a new connection per call. It's better to reuse the connection.
Thanks!
> Add support for nested groups in LdapGroupsMapping
> --------------------------------------------------
>
> Key: HADOOP-12291
> URL: https://issues.apache.org/jira/browse/HADOOP-12291
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.8.0
> Reporter: Gautam Gopalakrishnan
> Assignee: Esther Kundin
> Labels: features, patch
> Fix For: 2.8.0
>
> Attachments: HADOOP-12291.001.patch, HADOOP-12291.002.patch,
> HADOOP-12291.003.patch, HADOOP-12291.004.patch
>
>
> When using {{LdapGroupsMapping}} with Hadoop, nested groups are not
> supported. So for example if user {{jdoe}} is part of group A which is a
> member of group B, the group mapping currently returns only group A.
> Currently this facility is available with {{ShellBasedUnixGroupsMapping}} and
> SSSD (or similar tools) but would be good to have this feature as part of
> {{LdapGroupsMapping}} directly.
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