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From "Bob Hansen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8766) Implement a libhdfs(3) compatible API
Date Thu, 01 Oct 2015 15:55:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940001#comment-14940001
] 

Bob Hansen commented on HDFS-8766:
----------------------------------

Minor nits:
* Still have a shared_ptr to a promise in hdfsFile_internal::pread
* Is there a reason getErrorStr doesn't take a char *?
* Is there a reason hdfs_internal is a struct rather than a class?

Can you file a follow-up JIRA or add to HDFS-8790 to convert raw pointers to managed pointers?


> Implement a libhdfs(3) compatible API
> -------------------------------------
>
>                 Key: HDFS-8766
>                 URL: https://issues.apache.org/jira/browse/HDFS-8766
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: James Clampffer
>            Assignee: James Clampffer
>         Attachments: HDFS-8766.HDFS-8707.000.patch, HDFS-8766.HDFS-8707.001.patch, HDFS-8766.HDFS-8707.002.patch,
HDFS-8766.HDFS-8707.003.patch
>
>
> Add a synchronous API that is compatible with the hdfs.h header used in libhdfs and libhdfs3.
 This will make it possible for projects using libhdfs/libhdfs3 to relink against libhdfspp
with minimal changes.
> This also provides a pure C interface that can be linked against projects that aren't
built in C++11 mode for various reasons but use the same compiler.  It also allows many other
programming languages to access libhdfspp through builtin FFI interfaces.
> The libhdfs API is very similar to the posix file API which makes it easier for programs
built using posix filesystem calls to be modified to access HDFS.



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