Hi Chris, How do you map compute tasks to nodes?
Well, it's possible that 2 nodes in your cluster always stores more data than others, that's why you face these spikes, it could happen in case of by your affinity key, too much data could be collocated. You can check it by using IgniteCache.localSize on each node and comparing results. Also, I would recommend checking Ignite.affinity.mapPartitionsToNodes - just to make sure that all nodes store pretty the same amount of partitions. Evgenii -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/