hi everyone,
in my team, we are considering using cassandra for our project in
place of a (pseudo)relational solution, but I am not sure on how we
should handle a couple of modeling issues.
Basically, my problem is how to bring into cassandra a db where
elements are in the form primary,
On Thu, Nov 26, 2009 at 7:12 PM, Anthony Molinaro
antho...@alumni.caltech.edu wrote:
Unless you are using order preserving partitioning which might or might not
be what you want, you won't be able to do a full scan. Instead you should
probably have two column families, one keyed by primary,
2009/12/11 Joseph Bowman bowman.jos...@gmail.com:
Before I start working on something like this, I need to ask, is it even
necessary? Would it really provide a performance increase worth the added
complexity and dependence on things like memcached? I recall someone at Digg
gave a
On Sun, Dec 13, 2009 at 7:28 PM, Stu Hood stuart.h...@rackspace.com wrote:
With 248G per box, you probably have slightly more than 1/2 billion items?
One current implementation detail in Cassandra is that it loads 128th of the
index into memory for faster lookups. This means you might have
On Wed, Dec 16, 2009 at 12:34 AM, Brandon Williams dri...@gmail.com wrote:
On Tue, Dec 15, 2009 at 5:19 PM, Brian Burruss bburr...@real.com wrote:
can the cassandra client (java specifically) specify that a particular
put should be create only, do not update? If the value already exists
in
On Wed, Dec 16, 2009 at 10:16 PM, Jonathan Ellis jbel...@gmail.com wrote:
On Wed, Dec 16, 2009 at 2:31 PM, gabriele renzi rff@gmail.com wrote:
is there a fundamental reason for not being able to provide a
putIfAbsent-like abstraction in cassandra?
Yes: there is no global master
On Thu, Dec 17, 2009 at 7:48 PM, David MARTIN dmartin@gmail.com wrote:
Hi,
That's what I was thinking. And I'm glad to read Apache solr in your
answer as it is one of my main leads.
as a happy solr user, I second the suggestion, lucene (the technology
behind solr) handles a number of
On Wed, Jan 20, 2010 at 4:39 PM, Josh j...@schulzone.org wrote:
I havn't done this in java but so this may sound .netish but:
When I'm writing unit tests for stuff like this I usually mock the
datastore. A quick google search makes me think thrift would be pretty easy
to mock here. That