This has me more confused. Does this mean that ALL rows on a given node are only updated sequentially, never in parallel?
On Thu, Jul 7, 2011 at 3:21 PM, Yang <teddyyyy...@gmail.com> wrote: > 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. > -- It's always darkest just before you are eaten by a grue.
