Hi, It's non-heap memory that can be used for JVM memory management. You can read about this here:
https://docs.oracle.com/javase/7/docs/api/java/lang/management/MemoryUsage.html https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/cluster/ClusterMetrics.html#getNonHeapMemoryCommitted-- Andrei -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/