See http://wiki.apache.org/cassandra/FAQ#range_ghosts

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 6/07/2011, at 3:46 AM, karim abbouh <karim_rbt@yahoo.fr> wrote:

i use  get_range_slice to get the list of keys,
then i call  client.remove(keyspace, key, columnFamily, timestamp, ConsistencyLevel.ALL);    
to delete the record
but i still have the keys.
why?
can i do it otherwise?