Re: need some help with counters

2011-06-16 Thread Ian Holsman
> @aaronmorton > http://www.thelastpickle.com > > On 11 Jun 2011, at 00:36, Ian Holsman wrote: > >> >> On Jun 9, 2011, at 10:04 PM, aaron morton wrote: >> >>> I may be missing something but could you use a column for each of th

Re: Where is the Overview Documentation on Counters?

2011-06-10 Thread Ian Holsman
Hi AJ. Counters are really cool for certain things.. The main benefit (from a high level perspective) is that you don't have to read the record in to find the old value. (and stick a lock on the record to prevent it from changing underneath you). what I use them for is to increment page-views

Re: need some help with counters

2011-06-10 Thread Ian Holsman
ow will get spread out over a lot of sstables which may reduce read > speed. If this is a problem consider a separate CF with more aggressive GC > and compaction settings. Thanks! > > Cheers > > > ------------- > Aaron Morton > Freelance Cassandra Developer

Re: need some help with counters

2011-06-09 Thread Ian Holsman
problems? --- Ian Holsman - 703 879-3128 I saw the angel in the marble and carved until I set him free -- Michelangelo On 09/06/2011, at 4:22 PM, Ryan King wrote: > On Thu, Jun 9, 2011 at 1:06 PM, Ian Holsman wrote: >> Hi Ryan. >> you wouldn't have your version of cassandra up

Re: need some help with counters

2011-06-09 Thread Ian Holsman
Hi Ryan. you wouldn't have your version of cassandra up on github would you?? Colin.. always a pleasure. On Jun 9, 2011, at 3:44 PM, Ryan King wrote: > On Thu, Jun 9, 2011 at 12:41 PM, Ian Holsman wrote: >> Hi. >> >> I had a brief look at CASSANDRA-2103 (expiring c

need some help with counters

2011-06-09 Thread Ian Holsman
Hi. I had a brief look at CASSANDRA-2103 (expiring counter columns), and I was wondering if anyone can help me with my problem. I want to keep some page-view stats on a URL at different levels of granularity (page views per hour, page views per day, page views per year etc etc). so my thinkin

[OT] Real Time Open source solutions for aggregation and stream processing

2010-06-15 Thread Ian Holsman
firstly, my apologies for the off-topic message, but I thought most people on this list would be knowledgeable and interested in this kind of thing. We are looking to find a open source, scalable solution to do RT aggregation and stream processing (similar to what the 'hop' project http://cod

Re: IMPORTANT: SVN repo has moved

2010-03-13 Thread Ian Holsman
vn.apache.org/repos/asf' how about svn switch http://svn.apache.org/repos/asf/cassandra/trunk ? -Original Message- From: Ian Holsman Sent: Saturday, March 13, 2010 5:41 PM To: d...@cassandra.apache.org; user@cassandra.apache.org Subject: IMPORTANT: SVN repo has moved it shoul

IMPORTANT: SVN repo has moved

2010-03-13 Thread Ian Holsman
it should be as easy as going $ svn switch https://svn.apache.org/repos/asf/cassandra/trunk the website cassandra.apache.org will slowly come up and reflect these changes. mirrors and mail-archivers will need to be notified about the switch.. so we'll be in a minor state of flux while this hap

Re: IMPORTANT: mailing lists are moving

2010-03-13 Thread Ian Holsman
BTW.. your existing subscriptions have been moved over.. there is no need to re-subscribe.. just to alter where you post to in the future. sorry for the confusion. On 3/14/10 10:09 AM, Ian Holsman wrote: Hi guys. As most of you are aware, cassandra is now a top level project. so as part of

IMPORTANT: mailing lists are moving

2010-03-13 Thread Ian Holsman
ndra-u...@incubator... is now user@cassandra.apache.org cassandra-comm...@incubator.. is now comm...@cassandra.apache.org to subscribe send an email to the following: dev-subscr...@cassandra.apache.org user-subscr...@cassandra.apache.org commits-subscr...@cassandra.apache.org -- Ian Hol