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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7532) Hadoop web UI 2.0
Date Thu, 18 Aug 2011 23:34:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13087398#comment-13087398

Luke Lu commented on HADOOP-7532:

bq. I've used Twisted's templating framework fairly extensively, which does this.

No, [it doesn't|http://twistedmatrix.com/documents/current/web/howto/twisted-templates.html#auto8],
it only validate output as XML but not XHTML strict (see namespace notes etc). Sitebrick is
closer but still not close enough.

As I mentioned in  MAPREDUCE-279, I've looked at [all the popular jvm web framework|https://spreadsheets.google.com/pub?key=0AtkkDCT2WDMXdC1HOEtnUHpCejJMbUhGeGJWUmh5dVE&hl=en&output=html]
plus a few others (including Google sitebrick from the Google Wave project). None of the existing
system can enforce project specific security/style rules. This is also the reason Hamlet currently
is Hadoop specific, as it caters Hadoop, especially MRv2's needs (even though, IMO, these
rules apply to many other projects as well). BTW, [XHTML is still harmful|http://stackoverflow.com/questions/4368497/xhtml-still-harmful]:)

bq. Todd describes some of the reasons why he went with Jamon in HBase. Does Hamlet fulfill
all of those requirements?

Yes, plus more reasons that I mentioned above.

> Hadoop web UI 2.0
> -----------------
>                 Key: HADOOP-7532
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7532
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 0.23.0
>            Reporter: Luke Lu
>            Assignee: Luke Lu
>             Fix For: 0.23.0
> People have expressed interests of bringing Hadoop web UI up to date with the lightweight
embedded web mvc framework used in MAPREDUCE-279 (cf. MAPREDUCE-2399). This is the umbrella
jira for UI improvement for 0.23+. Individual items like web framework refactor/move and the
unique challenge for MR2 webapp security will be filed separately.
> Thoughts/ideas on various improvement of Hadoop web UI are welcome here. Some of the
ideas will naturally become sub-issues.

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