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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6704) add support for Parascale filesystem
Date Thu, 15 Apr 2010 15:50:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857361#action_12857361

Steve Loughran commented on HADOOP-6704:

# This is a new feature, so the patch should be against SVN_HEAD, not an older version of
# The newer version of Hadoop is moving to some new FS APIs; you might want to consider working
with them.
# HDFS-708 has discussed the issue of stress testing filesystems; this new filesystem back
end could be a use case, if you are willing to participate.
# One issue with all third party filesystems is regression testing: they don't get enough
of it. If there is any way to make this easier \-and that could include you running a local
version of Hudson to grab SVN_HEAD of Hadoop and testing MR jobs over your filestore, then
end users will be grateful. 
# Involvement in testing forthcoming releases is equally important, as is ongoing maintenance.
It is really hard for an OSS project to test/maintain code that works with other peoples infrastructure,
and motivation can be trouble too, so you have to be willing to stay involved -otherwise the
code just gradually stops working. 

> add support for Parascale filesystem
> ------------------------------------
>                 Key: HADOOP-6704
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6704
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 0.20.2
>            Reporter: Neil Bliss
>   Original Estimate: 168h
>  Remaining Estimate: 168h
> Parascale has developed an org.apache.hadoop.fs implementation that allows users to use
Hadoop on Parascale storage clusters.  We'd like to contribute this work to the community.
Should this be placed under contrib, or integrated into the org.apache.hadoop.fs space?

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