Re: Idea: Always consistent in-database cache using SSI mechanisms

On Tue, Oct 25, 2011 at 00:00, Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
> On Tue, Oct 25, 2011 at 1:46 AM, Kevin Grittner
> <Kevin(dot)Grittner(at)wicourts(dot)gov> wrote:
>>
>> Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
>>
>> > Coundn't be predicate locking implementation in SSI be used for
>> > in-database cache invalidation.
>>
>> It would not necessarily be limited to *in-database* caches.  The
>> main thing would be to design a good API to the predicate locking
>> portion of SSI, which I think is about 80% of the SSI code.  Dan and
>> I both have an interest in such further use, and there have been
>> others who have talked about potential uses for the non-blocking
>> predicate locking.  I think the API would need to be based around a
>> listen/notify model.

IIRC, I discussed this with Dan Ports at pgcon, as it was one of the
things he had been looking into as well. You might want to talk to him
about it.

--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/