On Mon, Feb 19, 2018 at 1:37 AM, Vladimir Ozerov <voze...@gridgain.com>

> Alex,
> You get me right. DEFAULT -> LOG_ONLY doesn't introduce any dramatic
> changes when comparing 2.3 to 2.4 - Ignite was unsafe out of the box in
> 2.3, and it is unsafe in 2.4 as well.
> The very problem is that we claim ourselves to be ACID, while in reality we
> are only "AI" out of the box, because durability is not guaranteed due to
> zero backups and LOG_ONLY and consistency is not guaranteed due to
> PRIMARY_SYNC. Neither Cassandra, nor Mongo or any others claim themselves
> to be ACID, so it is not valid to refer to their defaults.

Ignite can be fully ACID, but at the same time have non-ACID defaults, as
long as we clearly document how to get ACID behavior. I do not see an issue
with it.


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