Prasad Mujumdar created SENTRY-157:
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             Summary: Support filter pushdown in DB Store client to reduce data 
transfer from DB Store service
                 Key: SENTRY-157
                 URL: https://issues.apache.org/jira/browse/SENTRY-157
             Project: Sentry
          Issue Type: Bug
    Affects Versions: 1.4.0
            Reporter: Prasad Mujumdar


The authorization provider retrieves all the privileges for the given set of 
groups. This could be a huge data set if there are a large number of privileges 
in the system. A downstream consumer like HiveServer2 will be reading this for 
each query. This could impact the DB store performance if there are multiple 
active queries and numerous privilege rules.
We could consider pushing the filters like DB object name to the policy 
provider to prune the privilege result set at the source.




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