Re: parallel restore vs. windows

Philip Warner wrote:
> Tom Lane wrote:
>   
>> I think pretty much everybody except Philip Warner has found the stuff
>> around the TOC data structure and the "archiver" API to be confusing.
>> I'm not immediately sure about a better design though, at least not if
>> you don't want to duplicate a lot of code between the plain pg_dump and
>> the pg_dump/pg_restore cases.
>>   
>>     
>
> Here was I thinking it was more or less self-documenting and clear ;-).
> But, yes, it is complex, and I can still see no way to reduce the
> complexity. I should have some old notes on the code and am happy to
> expand them  as much as necessary.
>
> If people want to nominate key areas of confusion, I will concentrate on
> those first.
>
> In terms of the current discussion, I am not sure I can help greatly;
> writing cross-platform thread code is non-trivial. One minor point: I
> noticed in early versions of the code that a global AH had been created
> -- it occurs to me that this could be problem.
>
>   


No, it's not. It's not used in any thread except the main thread.

cheers

andrew