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HDFS >> mail # dev >> Deprecate hftp / hsftp

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Re: Deprecate hftp / hsftp
Hey Haohui,

Seems reasonable to mark hftp and hsftp as deprecated in 2.x and remove
them from trunk (for 3.x).


On Tuesday, November 26, 2013, Haohui Mai wrote:

> Hi,
> Recently I've been focusing on fixing hftp / hsftp / webhdfs / swebhdfs in
> various set ups. Now we have reached the state that all the above file
> systems can work in both secure and insecure clusters, and transfer data
> through both http and https.
> Taking a step back, these file systems are very similar, and I'm wondering
> whether it is a good time to deprecate hftp and hsftp in Hadoop right now.
> The main reason is that hftp / hsftp only provides a strict subset of
> functionalities that webhdfs / swebhdfs offer. Notably, webhdfs / swebhdfs
> support writes and HA which hftp / hsftp do not support. It's more natural
> to move forward with webhdfs / swebhdfs, keeping both hftp / hsftp around
> seems introducing more work.
> Another reason is that webhdfs has been supported since Hadoop 1, thus
> getting rid of hftp / hsftp does not seem removing any features, even the
> users are trying to migrate from Hadoop 1 to Hadoop 2.
> Your ideas are appreciated.
> Thanks,
> Haohui
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