Harish Thakkallapally is currently a Solutions Architect at MapR. Before joining MapR he worked as an engineer at PayPal.
In this article, I am going to show you how to use the impersonation feature to create and access a file in MapR-FS. In this example, we will run a Java program as the “mapr” superuser that will run operations on behalf of the “user01” user.
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