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From "Bob Hansen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9117) Config file reader / options classes for libhdfs++
Date Thu, 12 Nov 2015 02:36:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001591#comment-15001591
] 

Bob Hansen commented on HDFS-9117:
----------------------------------

Submitted a patch for Optional in HDFS-9419.

There's still the open question of how to handle exceptions.  This rev avoids exceptions by
using exception-safe library code (which makes using the templated code infeasible).  Is that
acceptable?

> Config file reader / options classes for libhdfs++
> --------------------------------------------------
>
>                 Key: HDFS-9117
>                 URL: https://issues.apache.org/jira/browse/HDFS-9117
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>    Affects Versions: HDFS-8707
>            Reporter: Bob Hansen
>            Assignee: Bob Hansen
>         Attachments: HDFS-9117.HDFS-8707.001.patch, HDFS-9117.HDFS-8707.002.patch, HDFS-9117.HDFS-8707.003.patch,
HDFS-9117.HDFS-8707.004.patch, HDFS-9117.HDFS-8707.005.patch, HDFS-9117.HDFS-8707.006.patch,
HDFS-9117.HDFS-8707.008.patch, HDFS-9117.HDFS-8707.009.patch, HDFS-9117.HDFS-8707.010.patch,
HDFS-9117.HDFS-8707.011.patch, HDFS-9117.HDFS-8707.012.patch, HDFS-9117.HDFS-8707.013.patch,
HDFS-9117.HDFS-9288.007.patch
>
>
> For environmental compatability with HDFS installations, libhdfs++ should be able to
read the configurations from Hadoop XML files and behave in line with the Java implementation.
> Most notably, machine names and ports should be readable from Hadoop XML configuration
files.
> Similarly, an internal Options architecture for libhdfs++ should be developed to efficiently
transport the configuration information within the system.



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