Azure Data Lake ACLs

Saveen Reddy introduces file and folder level Access Control Lists for Azure Data Lake storage:

We’ve emphasized that Azure Data Lake Store is compatible with WebHDFS. Now that ACLs are fully available, it’s important to understand the ACL model in WebHDFS/HDFS because they are POSIX-style ACLs and not Windows-style ACLs.  Before we five deep into the details on the ACL model, here are key points to remember.

  • POSIX-STYLE ACLs DO NOT ALLOW INHERITANCE. For those of you familiar with POSIX ACLs, this is not a surprise. For those coming from a Windows background this is very important to keep in mind. For example, if Alice can read files in folder /foo, it does not mean that she can rad files in /foo/bar. She must be granted explicit permission to /foo/bar. The POSIX ACL model is different in some other interesting ways, but this lack of inheritance is the most important thing to keep in mind.

  • ADDING A NEW USER TO DATA LAKE ANALYTICS REQUIRES A FEW NEW STEPS. Fortunately, a portal wizard automates the most difficult steps for you.

This is an interesting development.

Related Posts

Picking An Azure SQL Database Tier

Esat Erkec has various methods you can use to figure out your Azure SQL Database tier: When we are beginning to think of migrating our on-premises databases to Azure SQL, we have to decide on a proper purchase model, a service tier, and a performance level. Before starting the Azure SQL migration process, we have […]

Read More

Gartner’s Cloud IaaS Magic Quadrant Changes

Bruno Aziza analyzes Gartner’s Magic Quadrant for Cloud Infrastructure as a Service offerings: The first and most drastic change that occurred over the last year is the number of players that Gartner decided to highlight in its report: the number of vendors went from 14 to just 6 this year.   Why is that?! Have the big become bigger […]

Read More

Categories

August 2016
MTWTFSS
« Jul Sep »
1234567
891011121314
15161718192021
22232425262728
293031