[ANN] Riak 2.0pre1

Elias Levy fearsome.lucidity at gmail.com
Mon Jan 20 14:31:55 EST 2014


On Sun, Jan 19, 2014 at 9:00 AM, <riak-users-request at lists.basho.com> wrote:

> From: Luc Perkins <lperkins at basho.com>
> * Reduced sibling creation, inspired by the dotted versions vectors
> research from Preguiça, Baquero, et al[1]
>
> [1] http://arxiv.org/abs/1011.5808
>

A quick skim over the paper seems to indicate that version vectors with
per-server entries cannot track causality among concurrent updates
coordinated by the same replica node.

Isn't version vectors with per server entries what Riak was using previous
to this change?  If so, did this lack of causality tracking apply to
previous versions?
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