[ https://issues.apache.org/jira/browse/HADOOP-6864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Steffl updated HADOOP-6864: -------------------------------- Attachment: HADOOP-6864-0.20.1xx-1.patch HADOOP-6864-0.20.1xx-1.patch addresses the comments in review. Testing: since it depends on system setup it's not completely automatic, the way I tested it I created a copy of TestAccessControlList and set it up to use JniBasedUnixGroupsNetgroupMapping for group mapping and set up /etc/netgroup accordingly (essentially same as what ShellBasedUnixGroupsNetgroupMappingTestWrapper.java returns). Note that /etc/nsswitch.conf must have line 'netgroup: files' in it for the settings in /etc/netgroup to be used. > Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping > (implementation of GroupMappingServiceProvider) > ------------------------------------------------------------------------------------------------------------------------- > > Key: HADOOP-6864 > URL: https://issues.apache.org/jira/browse/HADOOP-6864 > Project: Hadoop Common > Issue Type: Improvement > Components: security > Reporter: Erik Steffl > Fix For: 0.22.0 > > Attachments: HADOOP-6864-0.20.1xx-1.patch, HADOOP-6864-0.20.1xx.patch > > > The netgroups implementation of GroupMappingServiceProvider (see > ShellBasedUnixGroupsNetgroupMapping.java) does a fork of a unix command to > get the netgroups of a user. Since the group resolution happens in the > servers, this might be costly. This jira aims at providing a JNI-based > implementation for GroupMappingServiceProvider. > Note that this is similar to what > https://issues.apache.org/jira/browse/HADOOP-6818 does for implementation of > GroupMappingServiceProvider that supports only unix groups. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.