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From Suresh Srinivas <sur...@hortonworks.com>
Subject Re: [DISCUSS] Resolving the divergences for web-related code between branch-2 and trunk
Date Wed, 01 Oct 2014 21:35:05 GMT
Sorry for responding very late. I am +1 on removing the JSP UI in branch-2
for the following reasons:
1. The new web UI added has all the functionality of JSP UI.
2. For folks who might have used web UI to scrape the HDFS status, we have
build a http JMX interface a long time ago.

Given we do not guarantee the web UI as a stable and backward compatible
interface, removing this should be okay.



On Thu, Sep 11, 2014 at 3:29 PM, Haohui Mai <hmai@hortonworks.com> wrote:

> Hi all,
>
> In HDFS, the code that relates to webhdfs and UIs has diverged quite a bit
> between branch-2 and trunk. This complicates the processes of maintaining
> webhdfs in several jiras (e.g., HDFS-5946)
>
> Most of the divergences come from removing the JSP UI and the related clean
> ups that are committed to trunk.
>
> Though I myself have to take the blame of creating these divergences -- I
> wonder, is it acceptable to resolve these divergences, by committing these
> patches that remove JSP UI to branch-2? This would save us the pains of
> providing two patches when fixing issues in webhdfs.
>
> Note that the new HTML5-based UI is fairly mature, as it has been around
> since 2.2, and it has been the default UI since 2.3. Compatibility,
> however, might be a concern -- according to the compatibility guide, Hadoop
> claims no compatibility for web UIs, thus we might be able to get away with
> that.
>
> Thoughts?
>
> Regards,
> Haohui
>
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