Enabling Impersonation for the HPE Ezmeral Data Fabric Superuser
Provides a procedure necessary to implement superuser impersonation.
About this task
To enable impersonation in your HPE Ezmeral Data Fabric installation:
Procedure
-
Open the following file in a text editor:
/opt/mapr/hadoop/hadoop-<version>/etc/hadoop/core-site.xml
-
Add the following
hadoop.proxyuser
properties:<property> <name>hadoop.proxyuser.mapr.hosts</name> <value>*</value> </property><property> <name>hadoop.proxyuser.mapr.groups</name> <value>*</value> </property>
The
hosts
setting (*
) allows themapr
superuser to connect from any host to impersonate a user.The
groups
setting (*
) allows themapr
superuser to impersonate any user in any group.NOTEDo not use anything other than a single asterisk here. Other parts of HPE Ezmeral Data Fabric ignore the values here and treat them as if each is set to a single asterisk. - Close the file, saving any changes that you made.