On Fri, Mar 12, 2010 at 1:55 PM, Krishna Sankar <ksanka...@gmail.com> wrote:
> I was looking at this from CASSANDRA-873 as well as hands-on homework (!)
> for my OSCON tutorial. Have couple of questions. Would appreciate insights:
> A)  Cassandra-873 suggests Luenandra as one demo application
> B)  Are there other ideas that will bring out the various aspects of
> Cassandra ?

multi-user blog (single-user is too easy :)
 - extra credit: with full-text search using lucandra

discussion forum
 - also w/ FTS

> C)  What would be the goal of demo apps ? Tutorial to help folks learn the
> ins and outs of Cassandra ? Show case capabilities ? I think Cassandra-873
> belongs to the latter; Twissandra most probably belongs to the former.

I think you nailed it.

> D)  Hadoop on Cassandra might be a good demo/tutorial

Sure, I'll buy that.

I can't think of any standalone projects for that, but "compute a
twissandra tag cloud" would be pretty cool.  (Might need to write a
twissandra bot to load stuff in to make an interesting cloud. :)

> E)  How would one structure the infrastructure for the demo/tutorials ? What
> assumptions can we make in creating them ? As AMIs to be run in EC2 ?

I'd probably go with "virtualbox images" as being simpler for people
who don't have an AWS key already.  (VB can read vmware player images,
i think.  But there is no free vmware for OS X, so you'd want to check
that before going w/ vmware format.)

Or just have people d/l cassandra and a configuration xml.  Probably
easier than teaching people to use virtualbox who haven't before.

> Also
> to be run on 2-3 local machines for folks who can spare some ? Or as
> multiple processes - all in one machine ?

You're not going to have time to teach cluster management.  Keep it to 1.

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