Atomicity of if_not_modified?

qaspar snooper77 at gmail.com
Thu Jan 3 11:46:55 EST 2013


Hi,

Can someone confirm this? If it's true, what exactly is the purpose of
offering the if_not_modified flag?

Kaspar
On Dec 28, 2012 1:51 PM, "Daniil Churikov [via Riak Users]" <
ml-node+s197444n4026431h56 at n3.nabble.com> wrote:

> Riak doesn't have atomic updates. This if_not_modified does not gives you
> any guaranties. Best way to handle with simultaneously updates is try to
> engineer scheme so that only one client makes concurrent updates and in
> case of conflict any sibling will be good for you. Another option is try to
> use convergent data types [0][1]
> [0] https://github.com/basho/riak_dt
> [1] https://github.com/mochi/statebox_riak
>
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