der in step 4 would instead obtain V0 as
the value of key = (1, 'whatever') and the anti-column value would match the
hash of the data column value, in which case they would know that data has been
deleted and they should ignore it.
Cheers,
Ian
On Sun, Sep 7, 2014 at 4:25 AM, Ray
So I watched Instagram’s presentation about Cassandra and how they handle
undos/deletes (http://youtu.be/xDtclzE4ydA?t=12m55s) and how to get around the
race condition that a get-before-write causes.
They use this anti-column that stores an action where the first component of
the composite co
