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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10939) Reduce performance penalty of encryption zones
Date Fri, 30 Sep 2016 19:26:20 GMT
Daryn Sharp created HDFS-10939:
----------------------------------

             Summary: Reduce performance penalty of encryption zones
                 Key: HDFS-10939
                 URL: https://issues.apache.org/jira/browse/HDFS-10939
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: 2.7
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


The encryption zone APIs should be optimized to extensively use IIPs to eliminate path resolutions.
 The performance penalties incurred by common operations like creation of file statuses may
be reduced by more extensive short-circuiting of EZ lookups when no EZs exist.  All file creates
should not be subjected to the multi-stage locking performance penalty required only for EDEK
generation.



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