It's not about caches. Each partition has certain amount of copies. Amount of copies may differ for different partitions of one cache group.
This configuration possible: 1) With custom affinity function 2) When nodes left the cluster, till rebalancing is not finished 2017-11-23 0:18 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > On Wed, Nov 22, 2017 at 12:39 PM, Alex Plehanov <plehanov.a...@gmail.com> > wrote: > > > Hello Dmitriy, > > > > I agree. > > > > By "minimal partition redundancy level for cache group" I mean minimal > > number of partition copies among all partitions of this cache group. > > For example, if we have in our cluster for cache group one partition > with 2 > > copies (1 primary and 1 backup) and other partitions with 4 copies (1 > > primary and 3 backups), then minimal partition redundancy level for this > > cache group will be 2. > > > > Such configuration within the same group would be impossible. All caches > within the same group have identical total number of partitions and > identical number of backups. If that is not the case, then they fall into > different groups. > > D. >
