Re: Question regarding consistency and deletion

2010-07-13 Thread Benjamin Black
On Tue, Jul 13, 2010 at 5:47 AM, Samuru Jackson wrote: > Thanks for the links. > > Actually it is pretty easy to catch those tombstoned keys on the > client side. However, in certain applications it can generate some > additional overhead on the network. > > I think it would be nice to have a forc

Re: Question regarding consistency and deletion

2010-07-13 Thread Samuru Jackson
Thanks for the links. Actually it is pretty easy to catch those tombstoned keys on the client side. However, in certain applications it can generate some additional overhead on the network. I think it would be nice to have a forced garbage collection in the API. This would IMHO ease to write Unit

Re: Question regarding consistency and deletion

2010-07-12 Thread Aaron Morton
The Tomstones are removed after GCGraceSeconds (in the storage-config.xml), at the next Major Compaction http://wiki.apache.org/cassandra/MemtableSSTable?highlight=%28tombstones%29Take a look at http://wiki.apache.org/cassandra/DistributedDeletes  and Handling Failure on http://wiki.apache.org/

Question regarding consistency and deletion

2010-07-12 Thread Samuru Jackson
Hi, I'm fairly new to Cassandra and started to set up a small cluster for playing around and evaluating it for my potential purposes. As far as I understand I can't remove whole rows - instead the columns of a deleted rows are removed and a client can decided based on the row's column count if it