Denis, For this cross region case, I've some thought to share and please help verify whether they are already here.
1. Two DC, A ---corss region--- B 2. A have several ignite node, A1,A2,A3 .... and B have several ignite node, B1,B2,B3 ..., there are in a same cluster 3. In ingite, A1,A2, A3 can belongs to same group, says A' and B1,B2,B3 can be B' So, can Ignite do this way 1. For data deployed in A' and B' by REPLICATED mode and within A' using PARTITION mode 2. The Continuous Query can only register in A' In this way: 1. As within A', all node in same DC, every action can be performed fast, 2 .meanwhile, as A' B' have some data, so we should not missing any event 3. As data in A',B' deployed in PARTITION mode, each node do not need to hold a hug memory. Thanks, Jin -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/