I think a lot can be done with the atomic primitives increment, decrement,
test-and-increment-if, and test-and-decrement-if,
but there is already Zookeeper for DLM right?
- Andy
--- On Wed, 8/6/08, Jonathan Gray <[EMAIL PROTECTED]> wrote:
> From: Jonathan Gray <[EMAIL PROTECTED]>
> Subject: RE: HBase concurrent access and BatchUpdate obj
> To: [email protected]
> Date: Wednesday, August 6, 2008, 12:02 PM
> Chris,
>
> That could also work for the simple case. Exposing the row
> locks allows us to do anything we want "within a row
> transaction" so to speak; many reads, writes...
>
> Jean-Adrien,
>
> I will probably work up an additional patch to add an
> increment insert which does the second method I described
> earlier. I think this is actually might be a common enough
> use case that others would want it as well.
>
>
> JG