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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15149) CryptoOutputStream should implement StreamCapabilities
Date Fri, 29 Dec 2017 21:42:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiao Chen updated HADOOP-15149:
    Summary: CryptoOutputStream should implement StreamCapabilities  (was: CryptoOutputStream
doesn't implement StreamCapabilities)

> CryptoOutputStream should 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
>            Assignee: Xiao Chen
>         Attachments: HADOOP-15149.01.patch
> 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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