Apoorv Naik created ATLAS-2444:
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Summary: HDFS NameNode Federation support
Key: ATLAS-2444
URL: https://issues.apache.org/jira/browse/ATLAS-2444
Project: Atlas
Issue Type: Bug
Reporter: Apoorv Naik
With Hadoop 3, HDFS is introducing namespace/nameServiceId for data
segregation.
A cluster with hadoop 3 deployment can have multiple name nodes under a single
name space and multiple namespace/nameserviceIds as well.
This metadata can be captured for other interested application/parties, eg.
Ranger can use this to enforce policies per Namespace.
Changes:
# HDFS model to include a new attribute called nameServiceId, default will be
empty
# hdfs path's qualified name will include the cluster info as well
# All Hooks dealing with HDFS path will resolve the host:port to the
respective nameServiceId
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