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From "Billie Rinaldi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3890) Use of CredentialProvider results in a lot of NN ops
Date Fri, 05 Jun 2015 16:09:01 GMT
Billie Rinaldi created ACCUMULO-3890:
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             Summary: Use of CredentialProvider results in a lot of NN ops
                 Key: ACCUMULO-3890
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3890
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.7.0, 1.6.2, 1.6.1
            Reporter: Billie Rinaldi
            Assignee: Billie Rinaldi
             Fix For: 1.7.1, 1.8.0


Every time we access a sensitive property or iterate over a configuration when there is a
CredentialProvider configured, it results in NN operations (as evidenced by FSNamesystem.audit
logs).  I think that we could assume the CredentialProvider is static, read its properties
once and cache them in memory to avoid these unnecessary reads.



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