Re: Issues getting JNA to work correctly under centos 5.5 using cassandra 0.7.0-rc1 and JNA 2.7.3

2010-11-27 Thread Jason Pell
Hi, I have selinux disabled via /etc/sysconfig/selinux already. But I did as you suggested anyway, even restarted the whole machine again too and still no difference. Do you know if there is a way to discover exactly what this error means? THanks Jason On Sat, Nov 27, 2010 at 3:59 AM, Nate McC

Re: [RELEASE] 0.7.0 rc1

2010-11-27 Thread Clint Byrum
FYI, 0.7.0~rc1 debs are available in a new PPA for experimental releases: http://launchpad.net/~cassandra-ubuntu/+archive/experimental When 0.7.0 is officially released they will be available in the stable release PPA here: http://launchpad.net/~cassandra-ubuntu/+archive/stable These are mostly

Re: cassandra vs hbase summary (was facebook messaging)

2010-11-27 Thread David Jeske
Thanks for all the great answers last week about Cassandra. I have an additional question about cassandra and columns/supercolumns. I had naively assumed that columns and super-columns map to an internal row-key (like how in Bigtable the indexed map is row/column-key/timestamp to data), but some pe

Achieving isolation on single row modifications with batch_mutate

2010-11-27 Thread E S
I'm trying to figure out the best way to achieve single row modification isolation for readers. As an example, I have 2 rows (1,2) with 2 columns (a,b). If I modify both rows, I don't care if the user sees the write operations completed on 1 and not on 2 for a short time period (seconds). I