just to add onto what jonathan said the columns are immutable . if u overwrite/ reconcile a new obj is created and shoved into the memtable
there is a shared lock for all writes though which guard against an exclusive lock on memtable switching/flushing On Jul 7, 2011 7:51 AM, "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.
