That's a nasty bit - you have to handle it yourself (although, given the object based structure there tends to be less need for transactions anyway)
No simple backup as we know it either :-{


>Right. No transactions.
>
>>My fear for integrity is not based on any real knowledge. But, for maximum speed, it's a fire and forget write - you just have to assume it's successful.
>>You can do it asynchronously (even specifying that the write must be replicated across x number of servers before being confirmed) and, to be fair, that doesn't seem to have a dramatic effect on performance.