> > >> 2) Per volume threads and mempools were added to solve low memory > > >> problems (exhausted mempools), isn't now possible deadlock here again? > > > > > > Increasing the number of parallel submitters does not increase deadlocks > > > with mempool as long as they don't nest. They would just > > > block each other, but eventually make progress as one finishes. > > > > I mean if they nest of course, sorry for confusion. > > No change to that, it's the same as it always worked. > > Anyways, Right now you would need to nest more than 16 times I think > to exhaust the mempool (or 8, but the pages are less critical I think) > > For me that seems like a "don't do that if hurts" situation. If the mempools are per-instance (they are), it can nest any number of times, because each nested instance will get new mempools. It is not a problem. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
