Hi Kevin, With such large heap sizes it's very likely that you had long GC pauses that caused the topology to fall apart. To avoid this I would recommend to allocate not more that 10-12G of heap and store the data in off-heap caches [1].
[1] https://apacheignite.readme.io/docs/off-heap-memory -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/ignite-problem-when-loading-large-amount-of-data-into-cache-tp4324p4340.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
