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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10603) Crypto input and output streams implementing Hadoop stream interfaces
Date Fri, 23 May 2014 01:30:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14006680#comment-14006680
] 

Yi Liu commented on HADOOP-10603:
---------------------------------

Thanks [~andrew.wang] for your nice comments. I will update the patch for your new comments
together with the left few items, and will respond you later.

> Crypto input and output streams implementing Hadoop stream interfaces
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-10603
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10603
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
>            Reporter: Alejandro Abdelnur
>            Assignee: Yi Liu
>             Fix For: fs-encryption (HADOOP-10150 and HDFS-6134)
>
>         Attachments: CryptoInputStream.java, CryptoOutputStream.java, HADOOP-10603.1.patch,
HADOOP-10603.2.patch, HADOOP-10603.3.patch, HADOOP-10603.4.patch, HADOOP-10603.5.patch, HADOOP-10603.6.patch,
HADOOP-10603.7.patch, HADOOP-10603.8.patch, HADOOP-10603.9.patch, HADOOP-10603.patch
>
>
> A common set of Crypto Input/Output streams. They would be used by CryptoFileSystem,
HDFS encryption, MapReduce intermediate data and spills. Note we cannot use the JDK Cipher
Input/Output streams directly because we need to support the additional interfaces that the
Hadoop FileSystem streams implement (Seekable, PositionedReadable, ByteBufferReadable, HasFileDescriptor,
CanSetDropBehind, CanSetReadahead, HasEnhancedByteBufferAccess, Syncable, CanSetDropBehind).



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