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https://issues.apache.org/jira/browse/HADOOP-1963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531934
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Doug Cutting commented on HADOOP-1963:
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My sense is that 'URI.create("kfs://dev104:20000/")' could be replaced with
something like 'URI.create("kfs://bogus/")', since no network access should be
made during this test. Is that right?
The version of the FileSystem API that's implemented by this patch is not the
current trunk version. In particular, getFileStatus() must be implemented,
listFileStatus() should be implemented instead of listPaths(), and many other
deprecated methods should not be implemented (getReplication, isDirectory,
getLength, etc.), but instead rely on the base class implementation in terms of
getFileStatus().
Finally, the bufferSize parameter is no longer supported by FSDataInputStream
and FSDataOutputStream. Instead, one should interpolate a BufferedInputStream
and an FSBufferedInputStream respectively to add buffering to KFS's streams.
> Code contribution of Kosmos Filesystem implementation of Hadoop Filesystem
> interface
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-1963
> URL: https://issues.apache.org/jira/browse/HADOOP-1963
> Project: Hadoop
> Issue Type: New Feature
> Components: fs
> Reporter: Sriram Rao
> Attachments: kfs-hadoop.tar.gz
>
>
> Kosmos Filesystem (KFS) is an open source implementation targeted towards
> applications that are required to process large amounts of data. KFS has
> been integrated with Hadoop using Hadoop's filesystem interfaces. This issue
> is filed with the intent of getting our code, namely, fs/kfs classes, to be
> included in the next Hadoop release.
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