Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Lenin Gali
+1M , We need this too. Lenin Gali Dir, Infrastructure and BI Cell:513.382.3371 le...@sharethis.com 1883 Landings Drive, Mountain View CA 94043 Contact Me [image: Linkedin] [image: Twitter] --- @ WiseStamp Signature

Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Kelvin Kakugawa
If anyone on the thread hasn't read Helland's Building on Quicksand paper, yet, it discusses the abstract strategy behind #1072's distributed counter implementation. It's here: http://blogs.msdn.com/b/pathelland/archive/2008/12/12/building-on-quicksand-paper-for-cidr-conference-on-innovative-datab

Re: Creating two instances in code

2010-08-13 Thread Gary Dusbabek
On Fri, Aug 13, 2010 at 11:28, Bjorn Borud wrote: > Ryan Daum writes: > >> This is very discouraging; I've looked several times at this code and could >> not believe my eyes in regard to the wanton use of global statics. In >> addition to smelling bad, it makes it difficult to embed Cassandra. Is

[VOTE RESULTS] was: [VOTE] 0.7.0-beta1

2010-08-13 Thread Eric Evans
On Tue, 2010-08-10 at 10:20 -0700, Eric Evans wrote: > I propose the following artifacts for release as 0.7.0 beta1. > > SVN Tag: > https://svn.apache.org/repos/asf/cassandra/tags/cassandra-0.7.0-beta1 > 0.7.0-beta1 artifacts: http://people.apache.org/~eevans The voting period is over with 5 bind

Re: Creating two instances in code

2010-08-13 Thread Bjorn Borud
Ryan Daum writes: > This is very discouraging; I've looked several times at this code and could > not believe my eyes in regard to the wanton use of global statics. In > addition to smelling bad, it makes it difficult to embed Cassandra. Is there > no will at all to fix this? I experienced all m

Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Benjamin Black
On Fri, Aug 13, 2010 at 6:24 AM, Jonathan Ellis wrote: >> >> This is simply not an acceptable alternative and just can't be called >> handling it "well". > > What part is it handling poorly, at a technical level?  This is almost > exactly what 1072 does internally -- we are concerned here with the

Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Jonathan Ellis
On Fri, Aug 13, 2010 at 1:11 AM, Benjamin Black wrote: > On Thu, Aug 12, 2010 at 8:54 PM, Jonathan Ellis wrote: >> There are two concerns that give me pause. >> >> The first is that 1072 is tackling a use case that Cassandra already >> handles well: high volume of writes to a counter, with low vo

Re: [VOTE] 0.7.0-beta1

2010-08-13 Thread Paul Bohm
+1 0.7 is a significant improvement. the sooner people can start catching up with changes the better On Thu, Aug 12, 2010 at 12:06 PM, Stu Hood wrote: > +1 > Artifacts look good! > > -Original Message- > From: "Eric Evans" > Sent: Tuesday, August 10, 2010 12:20pm > To: dev@cassandra.apa

Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Benjamin Black
On Thu, Aug 12, 2010 at 8:54 PM, Jonathan Ellis wrote: > There are two concerns that give me pause. > > The first is that 1072 is tackling a use case that Cassandra already > handles well: high volume of writes to a counter, with low volume > reads.  (This can be done by inserting uuids into a cou

Re: cassandra increment counters, Jira #1072

2010-08-13 Thread Ben Standefer
Interesting idea with the counter row approach. I think it puts a dubious responsibility on the Cassandra user. Sure, Cassandra users are expected to maintain the size of a row, but asking Cassandra users to constantly aggregate counts of uuids in a situation where the rows are growing rapidly to