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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15149) CryptoOutputStream doesn't implement StreamCapabilities
Date Thu, 28 Dec 2017 21:13:00 GMT
Mike Drob created HADOOP-15149:
----------------------------------

             Summary: CryptoOutputStream doesn't implement StreamCapabilities
                 Key: HADOOP-15149
                 URL: https://issues.apache.org/jira/browse/HADOOP-15149
             Project: Hadoop Common
          Issue Type: Task
          Components: fs
    Affects Versions: 3.0.0
            Reporter: Mike Drob


Running some tests with HBase on HDFS with encryption, we noticed that CryptoOutputStream
doesn't implement StreamCapabilities.

Specifically, we have a HdfsDataOutputStream wrapping a CryptoOutputStream. The calls to {{hasCapability}}
on the HDOS will always return false, even though the COS could be wrapping something that
supports it, as evidenced by the implementation of hsync and hflush here.



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