None of the above, it uses a glorified CAS* at the column level *http://en.wikipedia.org/wiki/Compare-and-swap
On Thu, Jul 7, 2011 at 12:51 PM, A J <s5a...@gmail.com> wrote: > Does a write lock: > 1. Just the columns in question for the specific row in question ? > 2. The full row in question ? > 3. The full CF ? > > I doubt read does any locks. > > Thanks. > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
