Madhan Neethiraj created RANGER-4948:
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Summary: optimize use of tries in GDS policy engine
Key: RANGER-4948
URL: https://issues.apache.org/jira/browse/RANGER-4948
Project: Ranger
Issue Type: Sub-task
Components: plugins
Reporter: Madhan Neethiraj
Assignee: Madhan Neethiraj
In GDS data model, a data-share consists of a bunch of resources
(databae/table/column/path/..) from a given service & security-zone.
In GDS policy engine implementation, each data-share instance has its own
resource-tries which are used to efficiently determine if a resource is part of
a data-share instance. To find data-shares for a resource, GDS policy engine
would perform as many trie lookup as the number of total data-shares. Trie
lookups can be minimized by having all resources across data-shares in a
resource-tries set. This will help improve the performance and memory
requirements, especially when working with large number of data-share instances.
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