Thanks @Vinod and proxy-users was considered.
But what we want to support is accessing multiple secured Hadoop. If we
want to initialize the Kerberos credentials, we need config the file of
/etc/krb5.conf. If we want to access two different Kerberos
services(specified KDC), we can not run JVM
You are looking for the proxy-users pattern. See here:
https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/Superusers.html
Thanks
+Vinod
> On Dec 24, 2019, at 9:49 AM, tobe wrote:
>
> Currently Hadoop relies on Kerberos to do authentication and authorization.
> For single
Currently Hadoop relies on Kerberos to do authentication and authorization.
For single user, we can initialize clients with keytab files in
command-line or Java program.
But sometimes we need to access Hadoop as multiple users. For example, we
build the web service to view users' HDFS files. We
