Hi, Yes, TopologyValidator was implemented exactly for these things.
Also, it's possible to listen for EVT_CACHE_REBALANCE_PART_DATA_LOST events and implement some logic on it, but I think that TopologyValidator is better solution. Evgenii -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Data-loss-validation-TopologyValidator-tp15147p15172.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.