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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-15149) CryptoOutputStream doesn't implement StreamCapabilities
Date Fri, 29 Dec 2017 04:38:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16305981#comment-16305981
] 

Xiao Chen edited comment on HADOOP-15149 at 12/29/17 4:37 AM:
--------------------------------------------------------------

Thanks for the review Manoj.

Unit test and checkstyle failures are not introduced by this patch.

Will commit tomorrow noon if no objections.


was (Author: xiaochen):
Unit test and checkstyle failures are not introduced by this patch.

Will commit tomorrow noon if no objections.

> 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
>            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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