Re: [boost] NuDB: A fast key/value insert-only database for SSD drives in C++11

Subject: Re: [boost] NuDB: A fast key/value insert-only database for SSD drives in C++11
From: Peter Dimov (lists_at_[hidden])
Date: 2017-03-29 13:49:39

Vinnie Falco wrote:
> On Wed, Mar 29, 2017 at 9:36 AM, Peter Dimov via Boost 
> <boost_at_[hidden]> wrote:
> > once a group of SQL statements execute, the results need to be stored 
> > permanently (even if the database crashes immediately thereafter)."
>
> Just a note, NuDB does not have this property. It is entirely possible 
> that a call to nudb::store::insert will return, and if the database 
> crashes afterwards the inserted value will not be present in the recovered 
> database. This is by design.

But you do guarantee that if this insert is present in the recovered 
database, all earlier inserts are too, right? This is what you need for the 
letter C.