Nice work, Vladimir, and thanks for putting the video together so we can see
all the features you've been working on.
A couple of questions -- and maybe I should take this back to the developer
list. One: the current (and your) implementation of both cluster & host
view waste a lot of vertical space on the controls. Especially when I'm
looking @ a large cluster (dozens of nodes) or a lot of metrics in a host,
it's a nuisance to scroll to the top to get at those controls (time
selection, metric search, etc). Have you considered using one or another of
the floating-left-hand-side widgets to collect those?
Secondly, when you've combining graphs from multiple hosts into a view (nice
feature!), it might be a good idea to set up the default graph titles to
include the hostnames. Having them buried in the captions makes it harder to
quickly see what you're looking at.
Third, have you (or anybody) started to think through similar enhancements
at the cluster or meta-view level? In particular, when I'm looking at a
grid full of similar clusters, it'd be nice to be able to choose the summary
metrics in meta view. Also, when working on capacity planning, being able
to view the whole grid's metrics as if the grid were a single host or
cluster (why do we collect 100s of summaries when we can only view a few?)
is very useful. The ability to search for a host amid 1000s is also useful.
I'd suggest that your json view structures look to not have considered
deployment in a multicluster, multigrid world.
I may have missed an enhancement or three dozen while hooked into the 3.0
world for so long, but it seems like the use cases for large-scale
deployments (many grids of dozens of clusters) need some of the same sort of
thinking as you've applied to the single-cluster, lots of hosts with lots of
metric cases..
Thanks for moving the UI ahead so much! --
-- ReC
On Mon, Nov 29, 2010 at 9:28 AM, Vladimir Vuksan <vli...@veus.hr> wrote:
>
> Over the weekend I checked in Ganglia UI enhancements into the SVN branch.
>
>
> You can view a screencast with about 3/4 of new features here
>
> http://vuksan.com/ganglia-ui.html
>
> If you want to try it out you can check it out here
>
>
> https://ganglia.svn.sourceforge.net/svnroot/ganglia/branches/monitor-web-2.0/
>
> Vladimir
>
> -------- Original Message --------
> Subject: Re: [Ganglia-general] newbie question - web frontend templates
> Date: Mon, 29 Nov 2010 11:44:06 -0500
> From: Jesse Becker <haw...@gmail.com>
> To: Bostjan Skufca <bost...@a2o.si>
>
> On Mon, Nov 29, 2010 at 11:26, Bostjan Skufca <bost...@a2o.si> wrote:
> > "We are not using TemplatePower anymore, and have moved to using the
> > Dwoo package instead."
> >
> > I would be glad to know this before I started making customizations to
> > frontend, just 3 weeks ago. I know, my fault, I did not ask about it
> > :)
>
> There was an announcement on the ganglia-developers list
> (
> http://www.mail-archive.com/ganglia-develop...@lists.sourceforge.net/msg05653.html
> ),
> but only a passing reference on the -general list.
>
> > Anyway, I seriously hope that Dwoo supports 'if' statement in
> > templates. Working without it kinda sucks (TemplatePower).
>
> It does include looping and conditional support. Dwoo was picked (I
> believe) because it supports all of the features supported by
> TemplatePower and is released under a BSD license (unlike
> TemplatePower)
>
> > Any move towards an OO frontend? Because current code is a mess... (no
> > disrespect intended, just personal observation).
>
> There was some discussion about frontend development in IRC recently.
> A transcript was kept, and posted here:
> http://therealms.org/oss/ganglia/ganglia_frontend_rewrite_irc_101310.txt
>
> --
> Jesse Becker
>
>
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