Kevin, You should avoid having that large heaps. If your heap space is more than 10-12G, you will very likely get long GC pauses. Consider using off-heap memory for your data: https://apacheignite.readme.io/docs/off-heap-memory
-Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Unstable-cluster-with-high-load-tp4289p4343.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
