On Wed, Sep 27, 2006 at 11:40:35AM +0100, rgammans@xxxxxxxxxxxxxxxxxxxxxx wrote: > I was considering some sort of B or B+ -tree type arrangement as then > we can use the buffer-cache (I'm assuming something similiar still > exists after the bh -> bio rewrite but I 'm a lttle behind) to store > the commonly referenced exceptions, which should keep the memory > required by the tables down at times of high memory pressure. > > > There are still ongoing discussions about the snapshot target. It would be > > nice if you have additional thoughts about this proposal. I guess it is > > similar to one of your prototypes. > > Is this where those discussion are taking place if I want to help > and particpate? Daniel Phillips's csnap target was based on BTree design: http://sources.redhat.com/cluster/csnap/ There are papers there describing the design in great detail. Unfortunately, his various projects (csnap, ddraid, ...) seem to have been abandoned. Regards, Bill Rugolsky -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
